{"title":"Current and future research on influence of parental physical activity on children’s physical fitness","authors":"Aya Yamada, H. Momma, R. Nagatomi","doi":"10.7600/jpfsm.11.169","DOIUrl":"https://doi.org/10.7600/jpfsm.11.169","url":null,"abstract":"","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43387621","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}
H. Maehana, Hidetada Kishi, Tomoki Ogawa, Koya Suzuki, Takahiro Watanabe
{"title":"Suitable performance of outfield players in amputee soccer in terms of amputation level and playing position","authors":"H. Maehana, Hidetada Kishi, Tomoki Ogawa, Koya Suzuki, Takahiro Watanabe","doi":"10.7600/jpfsm.11.197","DOIUrl":"https://doi.org/10.7600/jpfsm.11.197","url":null,"abstract":"","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44308771","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}
{"title":"Fitness epidemiology: current trends and future research","authors":"H. Momma","doi":"10.7600/jpfsm.11.175","DOIUrl":"https://doi.org/10.7600/jpfsm.11.175","url":null,"abstract":"","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43066154","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}
T. Ishizu, S. Torii, Eri Takai, Nozomi Miura, M. Taguchi
The purpose of this study was to examine whether the bone parameters and food groups consumed differ according to the energy availability (EA) status in Japanese female athletes, and to determine the relationship between calcium intake and other food groups consumption among these athletes. We investigated EA status, nutritional and food group intake, bone metabolism using biochemical analysis, and evaluated body composition and bone parameters using dual-energy X-ray absorptiometry. Fifty-two Japanese female athletes (Age: 20.0 ± 1.2 years) were enrolled in this study. Group differences between the low EA (EA < 30 kcal/ kg FFM/d, n = 22) and moderate EA (EA ≥ 30 kcal/kg FFM/d, n = 30) groups were examined. Compared to the moderate EA group, the low EA group exhibited a lower daily intake of protein (g/kg BW), carbohydrate (g/kg BW), calcium (mg), grains (g), meats (g), milk and dairy products (g). Moreover, the bone resorption marker was significantly higher in the low-EA group. The daily intake of soybean products (g), vegetables (g), fish and shellfish (g) and milk and dairy products (g) correlated positively with daily calcium intake (mg). Female athletes with low EA and insufficient intake of milk and dairy products exhibited increased serum tar-trate-resistant acid phosphatase 5b levels. As with milk and dairy products intake, consumption of various food groups was also significantly positively correlated with calcium intake. These findings suggest that a diet with sufficient energy and multiple food groups to provide adequate calcium may benefit bone health among Japanese female athletes.
本研究的目的是研究日本女运动员的骨骼参数和摄入的食物种类是否会根据能量可用性(EA)状态而有所不同，并确定这些运动员的钙摄入量与其他食物种类的摄入之间的关系。我们通过生化分析调查了EA状态、营养和食物组摄入量、骨代谢，并通过双能x线吸收仪评估了身体成分和骨骼参数。本研究纳入52名日本女运动员(年龄:20.0±1.2岁)。观察低EA组(EA < 30 kcal/kg FFM/d, n = 22)和中等EA组(EA≥30 kcal/kg FFM/d, n = 30)之间的组间差异。与中等EA组相比，低EA组蛋白质(g/kg BW)、碳水化合物(g/kg BW)、钙(mg)、谷物(g)、肉类(g)、牛奶和乳制品(g)的日摄入量均较低，且骨吸收指标显著高于中等EA组。大豆制品(g)、蔬菜(g)、鱼类和贝类(g)、牛奶和乳制品(g)的日摄入量与钙的日摄入量(mg)呈正相关。低EA和牛奶及乳制品摄入不足的女运动员血清抗酒石酸酯酸性磷酸酶5b水平升高。与牛奶和乳制品的摄入量一样，各种食物的摄入量也与钙的摄入量呈显著正相关。这些发现表明，在日本女运动员中，能量充足的饮食和多种食物组合以提供足够的钙可能有益于骨骼健康。
{"title":"Japanese female athletes with low energy availability exhibit low multiple food group intake and increased tartrate-resistant acid phosphatase 5b levels: a cross-sectional study","authors":"T. Ishizu, S. Torii, Eri Takai, Nozomi Miura, M. Taguchi","doi":"10.7600/jpfsm.11.107","DOIUrl":"https://doi.org/10.7600/jpfsm.11.107","url":null,"abstract":"The purpose of this study was to examine whether the bone parameters and food groups consumed differ according to the energy availability (EA) status in Japanese female athletes, and to determine the relationship between calcium intake and other food groups consumption among these athletes. We investigated EA status, nutritional and food group intake, bone metabolism using biochemical analysis, and evaluated body composition and bone parameters using dual-energy X-ray absorptiometry. Fifty-two Japanese female athletes (Age: 20.0 ± 1.2 years) were enrolled in this study. Group differences between the low EA (EA < 30 kcal/ kg FFM/d, n = 22) and moderate EA (EA ≥ 30 kcal/kg FFM/d, n = 30) groups were examined. Compared to the moderate EA group, the low EA group exhibited a lower daily intake of protein (g/kg BW), carbohydrate (g/kg BW), calcium (mg), grains (g), meats (g), milk and dairy products (g). Moreover, the bone resorption marker was significantly higher in the low-EA group. The daily intake of soybean products (g), vegetables (g), fish and shellfish (g) and milk and dairy products (g) correlated positively with daily calcium intake (mg). Female athletes with low EA and insufficient intake of milk and dairy products exhibited increased serum tar-trate-resistant acid phosphatase 5b levels. As with milk and dairy products intake, consumption of various food groups was also significantly positively correlated with calcium intake. These findings suggest that a diet with sufficient energy and multiple food groups to provide adequate calcium may benefit bone health among Japanese female athletes.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47898083","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}
Yuichi Tsuda, Ryoichi Tagawa, Keisuke Ueda, C. Sanbongi
{"title":"Effects of amino acid mixture of arginine, valine, and serine on anaerobic performance, muscle strength, and biochemical parameters after aerobic exercise in recreationally active men: a randomized, double-blind, placebo-controlled crossover study","authors":"Yuichi Tsuda, Ryoichi Tagawa, Keisuke Ueda, C. Sanbongi","doi":"10.7600/jpfsm.11.67","DOIUrl":"https://doi.org/10.7600/jpfsm.11.67","url":null,"abstract":"","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47796087","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}
20 Injury can possibly change all athletes’ careers. To data, few epidemiological studies have been 21 made of amateur soccer players. More data is needed to allow medical professionals to develop 22 realistic injury prevention and conditioning programs for the amateur level. The purpose of this 23 study was to determine injury incidence, common injury types and body regions, and pain in 24 amateur soccer players. Soccer related injury and pain data were collected daily in June 2016 25 thorough October 2017 involved in 76 amateur soccer players from two teams. Overall injury 26 incidence was 69 injuries and 2.72/1000 player hours. Acute injuries were 52 (2.05/1000 player 27 hours) and 17 chronic injuries were 0.67/1000 player hours. Most of acute injuries occurred in 28 game period (1.99/1000 player hours). In terms of body regions, ankle (27.5%) was the most 29 common, followed by knee (15.9%), and Thigh (9.0%). Pain incidence was reported 1042 30 (41.10/1000 player hours). The highest pain incidence was reported in game period (36.9/1000 31 player hours). Common location of pain was foot/toe (5.80/1000 player hours), followed by 32 lateral ankle (5.21/1000 player hours), anterior thigh (3.98/1000 player hours), and groin 33 (3.27/1000 player hours). Type of injury, location of injury, and the higher incidence of injuries 34 during game as opposed to training were the same as other studies. Pain incidence rate was 35 higher than injury incidence. More epidemiological studies are needed to apply to amateur sports 36 to understand athletes’ injuries and pain and develop a better injury prevention strategy. 37
{"title":"Epidemiological study of amateur soccer players: a 17-month study to determine injury and pain","authors":"Maya Hagiwara, Sonoko Mashimo, H. Shiraki","doi":"10.7600/jpfsm.11.79","DOIUrl":"https://doi.org/10.7600/jpfsm.11.79","url":null,"abstract":"20 Injury can possibly change all athletes’ careers. To data, few epidemiological studies have been 21 made of amateur soccer players. More data is needed to allow medical professionals to develop 22 realistic injury prevention and conditioning programs for the amateur level. The purpose of this 23 study was to determine injury incidence, common injury types and body regions, and pain in 24 amateur soccer players. Soccer related injury and pain data were collected daily in June 2016 25 thorough October 2017 involved in 76 amateur soccer players from two teams. Overall injury 26 incidence was 69 injuries and 2.72/1000 player hours. Acute injuries were 52 (2.05/1000 player 27 hours) and 17 chronic injuries were 0.67/1000 player hours. Most of acute injuries occurred in 28 game period (1.99/1000 player hours). In terms of body regions, ankle (27.5%) was the most 29 common, followed by knee (15.9%), and Thigh (9.0%). Pain incidence was reported 1042 30 (41.10/1000 player hours). The highest pain incidence was reported in game period (36.9/1000 31 player hours). Common location of pain was foot/toe (5.80/1000 player hours), followed by 32 lateral ankle (5.21/1000 player hours), anterior thigh (3.98/1000 player hours), and groin 33 (3.27/1000 player hours). Type of injury, location of injury, and the higher incidence of injuries 34 during game as opposed to training were the same as other studies. Pain incidence rate was 35 higher than injury incidence. More epidemiological studies are needed to apply to amateur sports 36 to understand athletes’ injuries and pain and develop a better injury prevention strategy. 37","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45363825","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}
Ayaka Takegami, Taishu Kasai, Sonoko Mashimo, Naruto Yoshida, H. Shiraki
This study investigated the relationships between subjective and objective indicators of training load in female handball players. Twelve female handball players (age: 20.1 ± 1.2 years, height: 164.3 ± 4.2 cm, and weight: 61.8 ± 4.1 kg) belonging to the first division of a university league were included in the study. The training load was investigated over a nine-week period of the competition phase. The subjective load indicator was the session rating of perceived exertion (sRPE), and the objective load indicators were total distance, Player Load™, and heart rate-based training load (HRTL). We observed 20.5 ± 2.3 sessions for each player. The sRPE demonstrated significant relationships ( p < 0.05) with all objective load indicators, with correlation coefficients r = 0.73 ± 0.09, 0.73 ± 0.08, and 0.75 ± 0.10 for total distance, Player Load™, and HRTL, respectively. All the relationships were very strong (0.7 < r < 0.9). These results reveal the potential validity of sRPE use in handball and suggest that the sRPE is an indicator that reflects the characteristics of both biomechanical and physiological load indicators.
本研究探讨了女子手球运动员训练负荷的主客观指标之间的关系。研究对象为某大学联赛甲级女子手球运动员12名，年龄:20.1±1.2岁，身高:164.3±4.2 cm，体重:61.8±4.1 kg。在为期九周的比赛阶段对训练负荷进行了调查。主观负荷指标是感知运动的会话评分(sRPE)，客观负荷指标是总距离、Player load™和基于心率的训练负荷(HRTL)。我们观察到每个玩家有20.5±2.3个回合。sRPE与所有客观负荷指标均呈显著相关(p < 0.05)，总距离、玩家负荷™和HRTL的相关系数r分别为0.73±0.09、0.73±0.08和0.75±0.10。所有相关性都很强(0.7 < r < 0.9)。这些结果揭示了sRPE在手球运动中使用的潜在有效性，并表明sRPE是一个反映生物力学和生理负荷指标特征的指标。
{"title":"Relationships between subjective and objective indicators of training load in female handball players","authors":"Ayaka Takegami, Taishu Kasai, Sonoko Mashimo, Naruto Yoshida, H. Shiraki","doi":"10.7600/jpfsm.11.117","DOIUrl":"https://doi.org/10.7600/jpfsm.11.117","url":null,"abstract":"This study investigated the relationships between subjective and objective indicators of training load in female handball players. Twelve female handball players (age: 20.1 ± 1.2 years, height: 164.3 ± 4.2 cm, and weight: 61.8 ± 4.1 kg) belonging to the first division of a university league were included in the study. The training load was investigated over a nine-week period of the competition phase. The subjective load indicator was the session rating of perceived exertion (sRPE), and the objective load indicators were total distance, Player Load™, and heart rate-based training load (HRTL). We observed 20.5 ± 2.3 sessions for each player. The sRPE demonstrated significant relationships ( p < 0.05) with all objective load indicators, with correlation coefficients r = 0.73 ± 0.09, 0.73 ± 0.08, and 0.75 ± 0.10 for total distance, Player Load™, and HRTL, respectively. All the relationships were very strong (0.7 < r < 0.9). These results reveal the potential validity of sRPE use in handball and suggest that the sRPE is an indicator that reflects the characteristics of both biomechanical and physiological load indicators.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48629631","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}
Recent field studies have reported the effects of exercise on the cortisol awakening response (CAR); however, no study has experimentally examined the effects. The purpose of this study was to investigate the effect of exercise intensity on CAR among 14 healthy male university students. Participants rested for 20 min (control condition) and exercised on a cycle ergometer for 20 min at 40% (low), 60% (moderate), and 80% (high) intensity of V・O2max on separate days. Saliva samples were collected 10 times as follows: 1) before and 2) immediately after the experimental session, 3) 10 min, 4) 20 min, and 5) 30 min into the recovery period, 6) 9 PM and 7) 11 PM in the evening following the session, 8) immediately after awakening, 9) 15 min, and 10) 30 min post-awakening the day after the session. Cortisol concentration increased after the high-intensity exercise and recovered in the evening following the session. The 30 min post-awakening sampling point the day after the session of high-intensity exercise was higher than the control condition (p = .039). In addition, the higher intensity exercise condition led to the magnitude of change in CAR (CARc) (p = .006) and the area of cortisol increased under the curve (AUCi) (p = .034), making it higher than the control condition. There were no significant differences in other confounders. These results suggest that CAR showed a higher value in healthy male university students the day after performing high-intensity exercise.
{"title":"High cortisol awakening response measured on day following high-intensity exercise","authors":"Yui Ogasawara, Susumu Kadooka, Hironobu Tsuchiya, Takayuki Sugo","doi":"10.7600/jpfsm.11.59","DOIUrl":"https://doi.org/10.7600/jpfsm.11.59","url":null,"abstract":"Recent field studies have reported the effects of exercise on the cortisol awakening response (CAR); however, no study has experimentally examined the effects. The purpose of this study was to investigate the effect of exercise intensity on CAR among 14 healthy male university students. Participants rested for 20 min (control condition) and exercised on a cycle ergometer for 20 min at 40% (low), 60% (moderate), and 80% (high) intensity of V・O2max on separate days. Saliva samples were collected 10 times as follows: 1) before and 2) immediately after the experimental session, 3) 10 min, 4) 20 min, and 5) 30 min into the recovery period, 6) 9 PM and 7) 11 PM in the evening following the session, 8) immediately after awakening, 9) 15 min, and 10) 30 min post-awakening the day after the session. Cortisol concentration increased after the high-intensity exercise and recovered in the evening following the session. The 30 min post-awakening sampling point the day after the session of high-intensity exercise was higher than the control condition (p = .039). In addition, the higher intensity exercise condition led to the magnitude of change in CAR (CARc) (p = .006) and the area of cortisol increased under the curve (AUCi) (p = .034), making it higher than the control condition. There were no significant differences in other confounders. These results suggest that CAR showed a higher value in healthy male university students the day after performing high-intensity exercise.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41992500","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}
H. Takakura, Tatsuya Yamada, Y. Furuichi, T. Hashimoto, S. Iwase, T. Jue, K. Masuda
Hindlimb immobilization (IM) produces a decrease in functional oxidative capacity as well as morphological changes in muscles. However, the effect of IM on the mechanism of O2 supply to mitochondria in muscle tissue during muscle contraction is unknown, especially the contribution of myoglobin (Mb) to mitochondrial respiration. This study investigated whether IM causes a delayed response of intracellular Mb saturation (SmbO2) and decreased muscle oxygen uptake (mV・O2) due to elevated intracellular oxygen tension (PmbO2) in contracting muscles using a rat hindlimb perfusion model. Three-week IM decreased the O2 release rate from Mb at the onset of muscle contraction (IM: 3.2 ± 0.9 vs. control (Con): 7.5 ± 2.9 10-2 μmol g-1 min-1; p < 0.05) and state 3 of mitochondrial respiration in muscle tissue (IM: 0.021 ± 0.006 vs. Con: 0.030 ± 0.009 10-3 μM g-1 sec-1; p < 0.05). Despite the increase in mV・O2, the steady-state level of SmbO2 was higher during muscle contraction in the IM group, resulting in elevated PmbO2 (IM: 4.2 ± 1.0 vs. Con: 2.1 ± 1.0 mmHg; p < 0.05). In conclusion, IM decreased the O2 release rate from Mb; this alteration could be associated with mitochondrial dysfunction. These changes within muscle cells may be related to the delayed tissue response seen with near-infrared spectroscopy at the onset of muscle contraction.
{"title":"Muscle immobilization delays abrupt change in myoglobin saturation at onset of muscle contraction","authors":"H. Takakura, Tatsuya Yamada, Y. Furuichi, T. Hashimoto, S. Iwase, T. Jue, K. Masuda","doi":"10.7600/jpfsm.11.87","DOIUrl":"https://doi.org/10.7600/jpfsm.11.87","url":null,"abstract":"Hindlimb immobilization (IM) produces a decrease in functional oxidative capacity as well as morphological changes in muscles. However, the effect of IM on the mechanism of O2 supply to mitochondria in muscle tissue during muscle contraction is unknown, especially the contribution of myoglobin (Mb) to mitochondrial respiration. This study investigated whether IM causes a delayed response of intracellular Mb saturation (SmbO2) and decreased muscle oxygen uptake (mV・O2) due to elevated intracellular oxygen tension (PmbO2) in contracting muscles using a rat hindlimb perfusion model. Three-week IM decreased the O2 release rate from Mb at the onset of muscle contraction (IM: 3.2 ± 0.9 vs. control (Con): 7.5 ± 2.9 10-2 μmol g-1 min-1; p < 0.05) and state 3 of mitochondrial respiration in muscle tissue (IM: 0.021 ± 0.006 vs. Con: 0.030 ± 0.009 10-3 μM g-1 sec-1; p < 0.05). Despite the increase in mV・O2, the steady-state level of SmbO2 was higher during muscle contraction in the IM group, resulting in elevated PmbO2 (IM: 4.2 ± 1.0 vs. Con: 2.1 ± 1.0 mmHg; p < 0.05). In conclusion, IM decreased the O2 release rate from Mb; this alteration could be associated with mitochondrial dysfunction. These changes within muscle cells may be related to the delayed tissue response seen with near-infrared spectroscopy at the onset of muscle contraction.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41810906","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}
{"title":"Author Correction: Post-training urinary titin fragment concentration increases in athletes with previous muscle strain injury: a pilot study in soccer players [J Phys Fitness Sports Med, 10 (5): 263-268 (2021)]","authors":"Tomonori Kawai, Koichi Takamoto, Itsumu Bito","doi":"10.7600/jpfsm.11.57","DOIUrl":"https://doi.org/10.7600/jpfsm.11.57","url":null,"abstract":"","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44430705","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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