A. Akbari, Fatemeh Mirakhori, Mahdi Ashouri, Sadaf Nehzat Norozi Tehrani
Objectives: The purpose of this research was to investigate the effect of micronutrient intake on cognitive function and physical activity of the elderly. Methods: The subjects included all elderly people over 60 years of age in Robat Karim city in 2018. 90 elderly males participated voluntarily in the research after signing the informed consent form. The short form of Beck questionnaire of physical activity and MMSE test were respectively used to measure the levels of physical activity and cognitive status of participants. Pearson correlation test was used to analyze the data. Results: The results indicated that there was a significant relationship between each of the micronutrients and cognitive performance of the elderly (P ≤ 0.05). Additionally, there was a significant relationship between each of the micronutrients with the level of physical activity of the elderly (P ≤ 0.05). Conclusions: Conclusively, micronutrients intake could be of much importance for cognitive function and physical activity of the elderly.
{"title":"The Effect of Micronutrient Intake on Cognitive Function and Physical Activity of the Elderly","authors":"A. Akbari, Fatemeh Mirakhori, Mahdi Ashouri, Sadaf Nehzat Norozi Tehrani","doi":"10.5812/intjssh.121360","DOIUrl":"https://doi.org/10.5812/intjssh.121360","url":null,"abstract":"Objectives: The purpose of this research was to investigate the effect of micronutrient intake on cognitive function and physical activity of the elderly. Methods: The subjects included all elderly people over 60 years of age in Robat Karim city in 2018. 90 elderly males participated voluntarily in the research after signing the informed consent form. The short form of Beck questionnaire of physical activity and MMSE test were respectively used to measure the levels of physical activity and cognitive status of participants. Pearson correlation test was used to analyze the data. Results: The results indicated that there was a significant relationship between each of the micronutrients and cognitive performance of the elderly (P ≤ 0.05). Additionally, there was a significant relationship between each of the micronutrients with the level of physical activity of the elderly (P ≤ 0.05). Conclusions: Conclusively, micronutrients intake could be of much importance for cognitive function and physical activity of the elderly.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117256102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marzieh Eliassy, D. Khajavi, S. Shahrjerdi, Masoud Mirmoezzi
Background: Social development is a fundamental aspect of motor development in children. It has been shown that children with learning disorders have different gross motor skills and physical activity compared to typically developing peers. Objectives: Since developmental domains interact with each other and children with learning disabilities often have difficulties that go far beyond those in school homework, the purpose of this study is to investigate the relationship between physical activity and gross motor skills with social development for children with learning disabilities. Methods: In children with learning disorder (n = 82; 49 boys, 33 girls), gross motor skills and physical activity were assessed respectively with the Test of Gross Motor Development-2 and Past Year Physical Activity Questionnaire. Vineland Social Maturity Scale was used to evaluate the social development of participants. The Pearson correlation coefficient is used to association between variables. The significance for test was set at P < 0.05. Results: Locomotor and object-control were significantly associated with social development (r = 0.60, P < 0.001) and (r = 0.44, P = 0.003), respectively. Organized activities were significantly associated with social development (r = 0.69, P = 0.001). Also, gross motor skills and organized activities were able to predict the social development of children with learning disorder (R2 = 0.29, F = 15.78). Conclusions: Children with higher levels of organized activities and motor skills had higher social development. As a result, gross motor skills and organized physical activity are especially important for children with learning disabilities.
背景:社会发展是儿童运动发展的一个基本方面。研究表明，与正常发育的同龄人相比，有学习障碍的孩子有不同的大肌肉运动技能和身体活动。目的:由于发展领域相互影响，学习障碍儿童的困难往往远远超过学校作业的困难，本研究的目的是探讨体育活动和大肌肉运动技能与学习障碍儿童社会发展的关系。方法:学习障碍患儿(n = 82;采用大肌肉运动发展测试-2和过去一年体育活动问卷分别对49名男生和33名女生进行大肌肉运动技能和体育活动的评估。采用Vineland社会成熟度量表评估被试的社会发展。皮尔逊相关系数用于变量之间的关联。检验的显著性设为P < 0.05。结果:运动能力和物体控制能力与社会发展分别有显著相关(r = 0.60, P < 0.001)和显著相关(r = 0.44, P = 0.003)。有组织的活动与社会发展显著相关(r = 0.69, P = 0.001)。大运动技能和有组织活动能够预测学习障碍儿童的社会发展(R2 = 0.29, F = 15.78)。结论:有组织活动和运动技能水平较高的儿童具有较高的社会发展水平。因此，大肌肉运动技能和有组织的身体活动对有学习障碍的儿童尤为重要。
{"title":"Associations Between Physical Activity and Gross Motor Skills with Social Development in Children with Learning Disabilities","authors":"Marzieh Eliassy, D. Khajavi, S. Shahrjerdi, Masoud Mirmoezzi","doi":"10.5812/intjssh.120844","DOIUrl":"https://doi.org/10.5812/intjssh.120844","url":null,"abstract":"Background: Social development is a fundamental aspect of motor development in children. It has been shown that children with learning disorders have different gross motor skills and physical activity compared to typically developing peers. Objectives: Since developmental domains interact with each other and children with learning disabilities often have difficulties that go far beyond those in school homework, the purpose of this study is to investigate the relationship between physical activity and gross motor skills with social development for children with learning disabilities. Methods: In children with learning disorder (n = 82; 49 boys, 33 girls), gross motor skills and physical activity were assessed respectively with the Test of Gross Motor Development-2 and Past Year Physical Activity Questionnaire. Vineland Social Maturity Scale was used to evaluate the social development of participants. The Pearson correlation coefficient is used to association between variables. The significance for test was set at P < 0.05. Results: Locomotor and object-control were significantly associated with social development (r = 0.60, P < 0.001) and (r = 0.44, P = 0.003), respectively. Organized activities were significantly associated with social development (r = 0.69, P = 0.001). Also, gross motor skills and organized activities were able to predict the social development of children with learning disorder (R2 = 0.29, F = 15.78). Conclusions: Children with higher levels of organized activities and motor skills had higher social development. As a result, gross motor skills and organized physical activity are especially important for children with learning disabilities.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131750827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Objectives: Although, the association between mental health and obesity has been reported in different studies, the relationship between dietary carbohydrate intake and mental health is not well understood. The aim of this study was to investigate the association of a diet (low in carbohydrate and high protein) along with aerobic exercise on mental health in obese individuals. Methods: In this quasi-experimental study, 30 obese women (20 - 35 years; 80 - 100 kg, 160 ± 5.1 cm and body mass index (above 30) who lived in Qazvin, Iran were selected voluntarily. Dietary intakes during the past one- month was assessed using a quantitative questionnaire on food frequency. Additionally, Beck Anxiety Inventory was used to monitor the rate of depression. Subjects were then randomly divided into experimental and control groups. The experimental group received a balanced diet that was low in carbohydrates and high in protein based on the calculation of their metabolism, while at the same time engaging in aerobic exercise (walking) for 8 weeks with 75% of the maximum heart rate. Control group did not receive any intervention during the study period. The aerobic program was performed for eight weeks (4 sessions per week and 50 minutes per session). Results: The results showed that the rate of depression was significantly improved in experimental group (P = 0.001), however, no significant change was found for control group (P = 0.17) Conclusions: The present study showed that a low carb and high protein diet is positively associated with mental health improvement (anxiety, stress and depression).
{"title":"Eight Weeks of Aerobic Exercise and Prescribed Diet (Low in Carbohydrate and High Protein) Improve Mental Health in Obese Women","authors":"Fateme Yagmaee","doi":"10.5812/intjssh.121345","DOIUrl":"https://doi.org/10.5812/intjssh.121345","url":null,"abstract":"Objectives: Although, the association between mental health and obesity has been reported in different studies, the relationship between dietary carbohydrate intake and mental health is not well understood. The aim of this study was to investigate the association of a diet (low in carbohydrate and high protein) along with aerobic exercise on mental health in obese individuals. Methods: In this quasi-experimental study, 30 obese women (20 - 35 years; 80 - 100 kg, 160 ± 5.1 cm and body mass index (above 30) who lived in Qazvin, Iran were selected voluntarily. Dietary intakes during the past one- month was assessed using a quantitative questionnaire on food frequency. Additionally, Beck Anxiety Inventory was used to monitor the rate of depression. Subjects were then randomly divided into experimental and control groups. The experimental group received a balanced diet that was low in carbohydrates and high in protein based on the calculation of their metabolism, while at the same time engaging in aerobic exercise (walking) for 8 weeks with 75% of the maximum heart rate. Control group did not receive any intervention during the study period. The aerobic program was performed for eight weeks (4 sessions per week and 50 minutes per session). Results: The results showed that the rate of depression was significantly improved in experimental group (P = 0.001), however, no significant change was found for control group (P = 0.17) Conclusions: The present study showed that a low carb and high protein diet is positively associated with mental health improvement (anxiety, stress and depression).","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124192930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Soukaina Hattabi, Meher Bouallegue, Thouraya Mhenni, J. Halouani, H. Chtourou
Background: Attention Deficit Hyperactivity Disorder (ADHD) is a common neurodevelopment disorder with inappropriate levels of inattention and hyperactivity/impulsivity that emerge during preschool-age causing several impairement that should be supported. Objectives: The purpose of this research was to explore the repercussion of plyometric training protocol (PT) on disruptive behavior and executive control among children with ADHD. Methods: Executive functions and ADHD related behaviors are assessed by graded tests before and after a 12-week PT (plyometric training) or NPT (did not perform PT training). Results: Findings show that participation in PT enhances behavior reports by parents and teachers (P < 0.001) and level of executive function (P < 0.001). Conclusions: These findings suggest that PT may improve positively ADHD symptomatology.
{"title":"Effect of a Plyometric Training Program on the Physical Parameters of ADHD Children: Behavioral and Cognitive Consequences","authors":"Soukaina Hattabi, Meher Bouallegue, Thouraya Mhenni, J. Halouani, H. Chtourou","doi":"10.5812/intjssh.118756","DOIUrl":"https://doi.org/10.5812/intjssh.118756","url":null,"abstract":"Background: Attention Deficit Hyperactivity Disorder (ADHD) is a common neurodevelopment disorder with inappropriate levels of inattention and hyperactivity/impulsivity that emerge during preschool-age causing several impairement that should be supported. Objectives: The purpose of this research was to explore the repercussion of plyometric training protocol (PT) on disruptive behavior and executive control among children with ADHD. Methods: Executive functions and ADHD related behaviors are assessed by graded tests before and after a 12-week PT (plyometric training) or NPT (did not perform PT training). Results: Findings show that participation in PT enhances behavior reports by parents and teachers (P < 0.001) and level of executive function (P < 0.001). Conclusions: These findings suggest that PT may improve positively ADHD symptomatology.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126905652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Halouani, C. H'mida, K. Trabelsi, C. Clark, H. Chtourou
Objectives: The purpose of this research was to explore the physical parameters and the heart rate responses of elite minifootball players during an international match. Methods: Ten male elite players from two national teams (Tunisia vs. Switzerland) participated in this study (26.2 ± 1.9 years, 175 ± 7 cm, 79.2 ± 5.8 kg). Heart rate was recorded by polar team system all the time that players spent moving on the pitch (walking, jogging, and running). For physical parameters, parameters (i.e., indicator of workload, sprints, total distance, acceleration and deceleration) were gathered using wearable GPS. Results: Results showed that the minifootball match induced high intensity exercise (86% HRmax). Moreover, total distance and high-intensity running distance were significantly higher in favor of the first half than in the second half. Likewise, sprints, acceleration and deceleration at high intensity were significantly higher in the first half. Conclusions: Minifootball is a physically intense sport, necessitating high intensity. Thus, its physical demands should be taken into consideration by coaches when designing and implementing training sessions.
目的:探讨优秀小型足球运动员在国际比赛中的身体参数和心率反应。方法:来自两支国家队(突尼斯vs瑞士)的10名优秀男运动员(26.2±1.9岁，175±7 cm, 79.2±5.8 kg)。运动员在球场上运动(散步、慢跑和跑步)时，心率都由极地团队系统记录下来。物理参数方面，采用可穿戴式GPS采集工作负荷指标、冲刺、总距离、加减速等参数。结果:结果表明，小型足球比赛诱发高强度运动(86% HRmax)。总距离和高强度跑步距离均显著高于前半段。同样，高强度的冲刺、加速和减速在上半年明显更高。结论:迷你足球是一项身体强度较大的运动，需要高强度。因此，教练员在设计和实施训练课程时应考虑其身体需求。
{"title":"Physical and Heart Rate Responses of Male Minifootball Players: A Case Study of an Elite Minifootball Match","authors":"J. Halouani, C. H'mida, K. Trabelsi, C. Clark, H. Chtourou","doi":"10.5812/intjssh.118449","DOIUrl":"https://doi.org/10.5812/intjssh.118449","url":null,"abstract":"Objectives: The purpose of this research was to explore the physical parameters and the heart rate responses of elite minifootball players during an international match. Methods: Ten male elite players from two national teams (Tunisia vs. Switzerland) participated in this study (26.2 ± 1.9 years, 175 ± 7 cm, 79.2 ± 5.8 kg). Heart rate was recorded by polar team system all the time that players spent moving on the pitch (walking, jogging, and running). For physical parameters, parameters (i.e., indicator of workload, sprints, total distance, acceleration and deceleration) were gathered using wearable GPS. Results: Results showed that the minifootball match induced high intensity exercise (86% HRmax). Moreover, total distance and high-intensity running distance were significantly higher in favor of the first half than in the second half. Likewise, sprints, acceleration and deceleration at high intensity were significantly higher in the first half. Conclusions: Minifootball is a physically intense sport, necessitating high intensity. Thus, its physical demands should be taken into consideration by coaches when designing and implementing training sessions.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133709568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-08-03DOI: 10.20944/preprints202108.0090.v1
A. Ghram, F. Amirshaghaghi, N. Bragazzi, H. Akbari, H. Chtourou, C. Lavie, D. Jiménez-Pavón
Introduction: The Elevation Training Mask 2.0 (ETM) has been introduced as a novel tool to allow for respiratory muscle training and altitude exposure during exercise that can improve performance and hematological markers in elite and well-trained athletes. Thus, the aim of the present study was to assess the effect of wearing ETM while training on erythropoietin (EPO), vascular endothelial growth factor (VEGF), peak oxygen consumption (VO2max), lactate, and 1000-m kayaking performance in elite Kayaking girls. Methods: Thirty elite Kayaking girls (14 to 18-year-old) were equally and randomly assigned into mask, no mask, and control groups. The mask and no-mask groups completed 8 weeks of repeated sprint training, while the control group performed their routine kayaking training programs. Pre- and post-training tests included EPO, VEGF, VO2max, lactate, and 1000-m kayaking performance. Results: 1000-m time trial significantly decreased for mask (p < 0.001) and control (p = 0.035) groups, and was significantly lower in mask group than control (p = 0.014) and no mask (p = 0.009) groups. EPO did not show any significant changes for all groups. VEGF was increased significantly for mask (p = 0.04) and no mask (p = 0.014) groups. Lactate was decreased significantly for mask group (p = 0.025). VO2max increased significantly for no mask group (p = 0.021). Conclusion: Wearing the ETM while participating in 8 weeks of repeated sprint training might improve specific blood markers and endurance performance, especially anaerobic pathways. Performing repeated sprint training while wearing ETM has the potential to enhance performance in Kayak racing.
{"title":"Effect of Wearing the Elevation Training Mask on Physiological Performance in Elite Kayaking Girls","authors":"A. Ghram, F. Amirshaghaghi, N. Bragazzi, H. Akbari, H. Chtourou, C. Lavie, D. Jiménez-Pavón","doi":"10.20944/preprints202108.0090.v1","DOIUrl":"https://doi.org/10.20944/preprints202108.0090.v1","url":null,"abstract":"Introduction: The Elevation Training Mask 2.0 (ETM) has been introduced as a novel tool to allow for respiratory muscle training and altitude exposure during exercise that can improve performance and hematological markers in elite and well-trained athletes. Thus, the aim of the present study was to assess the effect of wearing ETM while training on erythropoietin (EPO), vascular endothelial growth factor (VEGF), peak oxygen consumption (VO2max), lactate, and 1000-m kayaking performance in elite Kayaking girls. Methods: Thirty elite Kayaking girls (14 to 18-year-old) were equally and randomly assigned into mask, no mask, and control groups. The mask and no-mask groups completed 8 weeks of repeated sprint training, while the control group performed their routine kayaking training programs. Pre- and post-training tests included EPO, VEGF, VO2max, lactate, and 1000-m kayaking performance. Results: 1000-m time trial significantly decreased for mask (p < 0.001) and control (p = 0.035) groups, and was significantly lower in mask group than control (p = 0.014) and no mask (p = 0.009) groups. EPO did not show any significant changes for all groups. VEGF was increased significantly for mask (p = 0.04) and no mask (p = 0.014) groups. Lactate was decreased significantly for mask group (p = 0.025). VO2max increased significantly for no mask group (p = 0.021). Conclusion: Wearing the ETM while participating in 8 weeks of repeated sprint training might improve specific blood markers and endurance performance, especially anaerobic pathways. Performing repeated sprint training while wearing ETM has the potential to enhance performance in Kayak racing.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125720730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Taheri, S. Farzian, Atefeh Esmaeili, E. Shabani
Objectives: The aim of this research was to study the effects of a course of water therapy and jogging on factors related to the physical fitness of elderly women. Methods: Semi experimental study was performed by pretest-posttest design in which elderly women over 60 (64.3 ± 2.5 years old) were randomly divided into 3 groups of water therapy exercises, jogging group (JG) and control group (CG). Factors related to physical fitness (lower limb muscle strength test, static balance, dynamic balance and physical flexibility) before and after interventional exercises. One-way ANOVA and Tukey's post hoc test were applied to analyze the data. Results: It was shown that both water therapy exercises and jogging had a significant effect on static (P = 0.03), dynamic (P = 0.04), lower limb strength [P = 0.03 and (P = 0.01) for WTE and JG, respectively] and physical flexibility scores (P = 0.03), but there was no significant difference between the two experimental groups in all research variables (P ≥ 0.05). Conclusions: The use of water therapy and jogging exercises leads to improved static and dynamic balance, muscular strength of the lower extremities. Since improving the motor performance variables has a significant effect on preventing the falling of the elderly, it is recommended to use these exercises for the elderly.
{"title":"The Effect of Water Therapy and Jogging Exercises on the Health-Related Factors of Physical Fitness of Elderly Women","authors":"M. Taheri, S. Farzian, Atefeh Esmaeili, E. Shabani","doi":"10.5812/INTJSSH.114813","DOIUrl":"https://doi.org/10.5812/INTJSSH.114813","url":null,"abstract":"Objectives: The aim of this research was to study the effects of a course of water therapy and jogging on factors related to the physical fitness of elderly women. Methods: Semi experimental study was performed by pretest-posttest design in which elderly women over 60 (64.3 ± 2.5 years old) were randomly divided into 3 groups of water therapy exercises, jogging group (JG) and control group (CG). Factors related to physical fitness (lower limb muscle strength test, static balance, dynamic balance and physical flexibility) before and after interventional exercises. One-way ANOVA and Tukey's post hoc test were applied to analyze the data. Results: It was shown that both water therapy exercises and jogging had a significant effect on static (P = 0.03), dynamic (P = 0.04), lower limb strength [P = 0.03 and (P = 0.01) for WTE and JG, respectively] and physical flexibility scores (P = 0.03), but there was no significant difference between the two experimental groups in all research variables (P ≥ 0.05). Conclusions: The use of water therapy and jogging exercises leads to improved static and dynamic balance, muscular strength of the lower extremities. Since improving the motor performance variables has a significant effect on preventing the falling of the elderly, it is recommended to use these exercises for the elderly.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"426 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132366143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
I. Dergaa, A. Varma, S. Musa, M. Chaabane, A. Ben Salem, M. Fessi
Objectives: This study aimed to assess the diurnal variation of short term maximal performance and biological markers of hormonal [cortisol (CRT), testosterone (TST), melatonin (MLT)], biochemical [creatine phosphokinase (CPK), blood glucose (GLC), uric acid (UA)] and hematological [white blood cells (WBC), monocytes (MO), neutrophils (NE), lymphocytes (LY), red blood cells (RBC), hemoglobin (HB), hematocrit (HMT)] parameters in male police officers. Methods: Twenty male police officers performed a running-based anaerobic sprint test (RAST) at two different times of the day (TOD), in the morning (6:00 h - 7:00 h) and evening (19:00 - 20:00) where blood samples were collected from the participants on these two occasions before each exercise session. Results: Short term maximal performance [Peak power (PP), average power (AP) and minimal power (MP)] was higher in the evening as compared to the morning. It was noted that biological markers of hormonal, biochemical and hematological parameters exhibit diurnal fluctuation. Some of them peak in the morning (MLT, CRT, TST, UA, RBC, HB, and HMT) and others peak in the evening (GLC, CPK, WBC, NE, LY, and MO). Conclusions: Short term maximal performance, hormonal, biochemical and hematological parameters were strongly affected by the TOD in police officers. Thus, understanding changes in short term maximal exercice and these circulating mediators during different TOD provide a better understanding of the anaerobic metabolism and could help modulate and quantify training load.
{"title":"Diurnal Variation: Does it Affect Short-term Maximal Performance and Biological Parameters in Police Officers?","authors":"I. Dergaa, A. Varma, S. Musa, M. Chaabane, A. Ben Salem, M. Fessi","doi":"10.5812/INTJSH.111424","DOIUrl":"https://doi.org/10.5812/INTJSH.111424","url":null,"abstract":"Objectives: This study aimed to assess the diurnal variation of short term maximal performance and biological markers of hormonal [cortisol (CRT), testosterone (TST), melatonin (MLT)], biochemical [creatine phosphokinase (CPK), blood glucose (GLC), uric acid (UA)] and hematological [white blood cells (WBC), monocytes (MO), neutrophils (NE), lymphocytes (LY), red blood cells (RBC), hemoglobin (HB), hematocrit (HMT)] parameters in male police officers. Methods: Twenty male police officers performed a running-based anaerobic sprint test (RAST) at two different times of the day (TOD), in the morning (6:00 h - 7:00 h) and evening (19:00 - 20:00) where blood samples were collected from the participants on these two occasions before each exercise session. Results: Short term maximal performance [Peak power (PP), average power (AP) and minimal power (MP)] was higher in the evening as compared to the morning. It was noted that biological markers of hormonal, biochemical and hematological parameters exhibit diurnal fluctuation. Some of them peak in the morning (MLT, CRT, TST, UA, RBC, HB, and HMT) and others peak in the evening (GLC, CPK, WBC, NE, LY, and MO). Conclusions: Short term maximal performance, hormonal, biochemical and hematological parameters were strongly affected by the TOD in police officers. Thus, understanding changes in short term maximal exercice and these circulating mediators during different TOD provide a better understanding of the anaerobic metabolism and could help modulate and quantify training load.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114479658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nesa Paryab, M. Taheri, Kahdijeh Irandoust, Masoud Mirmoezzi
Background: Melatonin is one of the Supplements used to treat sleep problems such as insomnia and jet lag. Objectives: Since sleep deprivation may affect athletic performance, the aim of this study was to investigate the effect of melatonin on neurological function and maintenance of physical and motor fitness in collegiate student-athletes following sleep deprivation. Methods: Ten collegiate student-athletes participated in randomized, double‐blind crossover trial with placebo control. Subjects were divided into six experimental groups: without sleep deprivation (WSD), 4 hours sleep deprivation (4HSD) and 24 hours sleep deprivation (24HSD) with melatonin (MEL) or placebo (PLA). WSD were allowed to sleep eight hours per night. Six milligrams of melatonin was administered 30 min before the training protocols. Training protocols included the Wingate Anaerobic test, Good Balance test, Vienna reaction time with the Stroop test. Data were analyzed using repeated measures ANOVA. Significant difference was set at P ≤ 0.05. Results: Six mg/day of MEL 30 min before training had no significant effect on anaerobic power, balance and reaction time in collegiate student-athletes WSD (P > 0.05). Although, 4HSD and 24HSD negatively affected balance function, MEL reduced its negative effects. Furthermore, 24HSD decrease neurological and physical performance in collegiate student-athletes and MEL improved anaerobic power and reaction time in collegiate student-athletes (P < 0.05). Conclusions: Pre-training MEL supplementation would alleviate neurological, physical and motor performance impairment in collegiate student-athletes following sleep deprivation. MEL appears to be more effective in athletes with longer sleep deprivation.
背景:褪黑素是一种用于治疗失眠和时差等睡眠问题的补充剂。目的:由于睡眠剥夺可能影响运动表现，本研究的目的是探讨褪黑素对睡眠剥夺后大学生运动员神经功能和身体和运动健康维持的影响。方法:10名大学生运动员参加随机双盲交叉试验，对照组为安慰剂。受试者被分为6个实验组:无睡眠剥夺(WSD)、4小时睡眠剥夺(4HSD)和24小时睡眠剥夺(24HSD)与褪黑激素(MEL)或安慰剂(PLA)。水务署人员被允许每晚睡8小时。在训练前30分钟服用6毫克褪黑素。训练方案包括温盖特无氧测试，良好平衡测试，维也纳反应时间与Stroop测试。数据分析采用重复测量方差分析。P≤0.05，差异有统计学意义。结果:训练前30 min 6 mg/d的MEL对大学生运动员WSD的无氧能力、平衡和反应时间无显著影响(P < 0.05)。虽然4HSD和24HSD对平衡功能有负面影响，但MEL降低了其负面影响。此外，24HSD降低了大学生运动员的神经和身体机能，MEL提高了大学生运动员的无氧能力和反应时间(P < 0.05)。结论:训练前补充MEL可减轻大学生运动员睡眠剥夺后的神经、身体和运动功能障碍。MEL似乎对长时间睡眠不足的运动员更有效。
{"title":"Effects of Melatonin on Neurological Function and Maintenance of Physical and Motor Fitness in Collegiate Student-Athletes Following Sleep Deprivation","authors":"Nesa Paryab, M. Taheri, Kahdijeh Irandoust, Masoud Mirmoezzi","doi":"10.5812/intjsh.110657","DOIUrl":"https://doi.org/10.5812/intjsh.110657","url":null,"abstract":"Background: Melatonin is one of the Supplements used to treat sleep problems such as insomnia and jet lag. Objectives: Since sleep deprivation may affect athletic performance, the aim of this study was to investigate the effect of melatonin on neurological function and maintenance of physical and motor fitness in collegiate student-athletes following sleep deprivation. Methods: Ten collegiate student-athletes participated in randomized, double‐blind crossover trial with placebo control. Subjects were divided into six experimental groups: without sleep deprivation (WSD), 4 hours sleep deprivation (4HSD) and 24 hours sleep deprivation (24HSD) with melatonin (MEL) or placebo (PLA). WSD were allowed to sleep eight hours per night. Six milligrams of melatonin was administered 30 min before the training protocols. Training protocols included the Wingate Anaerobic test, Good Balance test, Vienna reaction time with the Stroop test. Data were analyzed using repeated measures ANOVA. Significant difference was set at P ≤ 0.05. Results: Six mg/day of MEL 30 min before training had no significant effect on anaerobic power, balance and reaction time in collegiate student-athletes WSD (P > 0.05). Although, 4HSD and 24HSD negatively affected balance function, MEL reduced its negative effects. Furthermore, 24HSD decrease neurological and physical performance in collegiate student-athletes and MEL improved anaerobic power and reaction time in collegiate student-athletes (P < 0.05). Conclusions: Pre-training MEL supplementation would alleviate neurological, physical and motor performance impairment in collegiate student-athletes following sleep deprivation. MEL appears to be more effective in athletes with longer sleep deprivation.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132274143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Background: Exercise training and vitamin D consumption are separately reported to be effective on improving health. However, the simultaneous effect of resistance training and vitamin D is not clear yet. However, there is no information available on the resistance training and the amount of vitamin D prescription. In addition, it is important to examine this issue in women who are known as an active and effective part of society. Methods: The participants (n = 40) of this study were randomly divided into four groups as follows: (1) placebo, (2) resistance training, (3) vitamin D, and (4) resistance training + vitamin D. In this study, interventions were performed for an 8-week period (3 D/W) consisting of resistance training protocol (60% 1-RM) and daily consumption of vitamin D (1000 IU). Anthropometric and laboratory measurements were collected 48 hours before and after the intervention. Results: Changes in HDL-C (P = 0.001, F = 6.3), total cholesterol (P = 0.001, F = 7.8), and leptin concentration (P = 0.001, F = 11.4) were significant. Accordingly, these changes in the study variables showed a better improvement in the resistance training + vitamin D group compared to the other groups (P = 0.001). Conclusions: Probably the most important factor for the observed changes was the reduction of adipose tissue caused by resistance training, as well as the enhancement of signaling pathways resulting from the consumption of vitamin D. However, maintaining muscle tissue caused by resistance training can be effective. Moreover, HDL change due to resistance training and its effect on reverse cholesterol transport may occur faster than LDL-C changes. Also, the improvement in LDL-C appears in response to longer periods of exercise along with drug therapy.
背景:运动训练和维生素D摄入分别被报道对改善健康有效。然而，抗阻训练和维生素D的同时效果尚不清楚。然而，没有关于抗阻训练和维生素D处方量的信息。此外，重要的是要检查妇女的这个问题，因为妇女被认为是社会的积极和有效的一部分。方法:本研究的参与者(n = 40)随机分为四组:(1)安慰剂组，(2)阻力训练组，(3)维生素D组，(4)阻力训练+维生素D组。在本研究中，干预为期8周(3天/天)，包括阻力训练方案(60% 1- rm)和每日维生素D摄入量(1000 IU)。在干预前后48小时收集人体测量和实验室测量数据。结果:两组患者HDL-C (P = 0.001, F = 6.3)、总胆固醇(P = 0.001, F = 7.8)、瘦素浓度(P = 0.001, F = 11.4)变化显著。因此，这些研究变量的变化表明，与其他组相比，抗阻训练+维生素D组有更好的改善(P = 0.001)。结论:观察到的变化最重要的因素可能是阻力训练引起的脂肪组织减少，以及维生素d消耗导致的信号通路增强。然而，维持阻力训练引起的肌肉组织可能是有效的。此外，由于阻力训练引起的HDL变化及其对胆固醇逆向转运的影响可能比LDL-C变化更快。此外，LDL-C水平的改善是对长时间运动和药物治疗的反应。
{"title":"The Effect of Resistance Training and Vitamin D on Leptin and HDL-C in Overweight Women","authors":"M. Najafi, H. Fatolahi","doi":"10.5812/intjssh.104742","DOIUrl":"https://doi.org/10.5812/intjssh.104742","url":null,"abstract":"Background: Exercise training and vitamin D consumption are separately reported to be effective on improving health. However, the simultaneous effect of resistance training and vitamin D is not clear yet. However, there is no information available on the resistance training and the amount of vitamin D prescription. In addition, it is important to examine this issue in women who are known as an active and effective part of society. Methods: The participants (n = 40) of this study were randomly divided into four groups as follows: (1) placebo, (2) resistance training, (3) vitamin D, and (4) resistance training + vitamin D. In this study, interventions were performed for an 8-week period (3 D/W) consisting of resistance training protocol (60% 1-RM) and daily consumption of vitamin D (1000 IU). Anthropometric and laboratory measurements were collected 48 hours before and after the intervention. Results: Changes in HDL-C (P = 0.001, F = 6.3), total cholesterol (P = 0.001, F = 7.8), and leptin concentration (P = 0.001, F = 11.4) were significant. Accordingly, these changes in the study variables showed a better improvement in the resistance training + vitamin D group compared to the other groups (P = 0.001). Conclusions: Probably the most important factor for the observed changes was the reduction of adipose tissue caused by resistance training, as well as the enhancement of signaling pathways resulting from the consumption of vitamin D. However, maintaining muscle tissue caused by resistance training can be effective. Moreover, HDL change due to resistance training and its effect on reverse cholesterol transport may occur faster than LDL-C changes. Also, the improvement in LDL-C appears in response to longer periods of exercise along with drug therapy.","PeriodicalId":118920,"journal":{"name":"International Journal of Sport Studies for Health","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127780098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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