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Familiarization process in cardiorespiratory fitness testing for persons with mental retardation 智障人士心肺适能测试的熟悉过程
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512032
P. Rintala, J. McCubbin, J. Dunn
The purpose of this article is to review the familiarization protocols and other factors used in laboratory and field testing studies implemented to measure the cardiorespiratory fitness of persons with mental retardation. Test selection issues, pretest familiarization procedures, and motivational strategies will be discussed. Little information is available to identify specific guidelines for familiarizing a subject with a specific protocol prior to cardiorespiratory fitness testing. The recommendations suggested in this article provide valuable and necessary information for researchers interested in the measurement of cardiorespiratory fitness of persons with mental retardation.
本文的目的是回顾在实验室和现场测试研究中使用的熟悉协议和其他因素,以测量智力迟钝者的心肺健康。测试选择问题,测试前熟悉程序和激励策略将被讨论。在心肺功能测试之前,很少有信息可以确定具体的指导方针,使受试者熟悉特定的方案。本文提出的建议为研究智力迟钝者心肺健康测量的研究人员提供了有价值和必要的信息。
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引用次数: 29
Effects of weight lifting on resting blood pressure: A meta‐analysis 举重对静息血压的影响:荟萃分析
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512036
G. Kelley
The purpose of this study was to examine the effect of weight‐lifting exercise on resting systolic and diastolic blood pressure in humans. The results of 10 human exercise training studies published in journals (1966‐1993) and representing a total of 285 subjects (170 exercise, 115 control) were statistically aggregated using the meta‐analytic approach. Across all categories and designs, weight lifting resulted in a small, but statistically significant reduction of ‐3 (p = 0.02) and ‐2 (p = 0.03) mmHg resting systolic and diastolic blood pressure, respectively. This corresponded to a reduction of approximately 2% for both resting systolic and diastolic blood pressure. Neither change was significant for a control group. The results of this study suggest that weight lifting reduces resting systolic and diastolic blood pressure in humans. However, the reduction observed in this study may not be sufficient to recommend weight lifting alone for the purpose of reducing resting blood pressure. A need exists for ...
本研究的目的是研究举重运动对人类静息收缩压和舒张压的影响。在期刊上发表的10项人类运动训练研究的结果(1966 - 1993),共有285名受试者(170名运动,115名对照组),使用meta分析方法进行统计汇总。在所有类别和设计中,举重分别导致- 3 (p = 0.02)和- 2 (p = 0.03) mmHg静息收缩压和舒张压降低,虽然幅度不大,但具有统计学意义。这相当于静息收缩压和舒张压均降低约2%。对于对照组来说,这两种变化都不显著。这项研究的结果表明,举重可以降低人类静息时的收缩压和舒张压。然而,在这项研究中观察到的降低可能不足以推荐仅仅通过举重来降低静息血压。需要……
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引用次数: 0
Predictive climatology for the Olympic Marathon and race walking events in Barcelona 1992 1992年巴塞罗那奥运会马拉松和竞走项目的预测气候学
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512031
J. Verdaguer-Codina, P. Pujol, A. Rodriguez, E. Ortiz
During 1990 in New York and again in Barcelona in the following year, the International Marathon Medical Directors Association (IMMDA) initiated studies to monitor climatological conditions accompanying several endurance outdoor sports events in different locations. The aim was to identify the changing thermal stress on both a competitor and exposed spectator along the course of any major endurance racing event around the world where there were climatological conditions similar to Barcelona during the 1992 Olympic Games. In this way any combination of type of surroundings, time of day climatological conditions, etc., along an event's course found to present a thermal stress to either an athlete or spectator might be avoided by better scheduling, better routing, increasing the number of aid stations along a route, and other precautions. To evaluate a single measure of the climatological conditions surrounding an event, a monitor with three thermometers was used to obtain the wet bulb global temperature val...
国际马拉松医务主任协会(imda)于1990年在纽约和次年在巴塞罗那发起研究,监测在不同地点举行的几项户外耐力运动赛事的气候条件。这项研究的目的是确定在世界上任何一个类似于1992年巴塞罗那奥运会的气候条件下,在任何一个大型耐力赛的过程中,运动员和暴露的观众所承受的热应力的变化。通过这种方式,任何环境类型的组合,一天中的时间气候条件等,都可以通过更好的安排,更好的路线,增加沿途援助站的数量以及其他预防措施来避免运动员或观众在比赛过程中出现热应力。为了评估一个事件周围气候条件的单一测量,使用了一个带有三个温度计的监视器来获得湿球温度的全球值。
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引用次数: 4
Metabolic adaptations in single muscle fibers of competitive endurance cyclists 竞技耐力自行车运动员单个肌纤维的代谢适应
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512034
J. Neary, H. Quinney, T. Martin
Selected enzymes were studied in single muscle fiber preparations taken from eight competitive cyclists (six male, two female) previous to and after 8 weeks of progressive heavy endurance training (85% maximal oxygen consumption [VO2max], 60 minutes a day, 5 days a week). Mean + SD VO2max was significantly increased (3.71 ± 0.62 to 4.15 ± 0.65 L.min‐1), as was mean, submaximal endurance power output (150 ± 24 to 204.8 ± 36.9 W) on a 60‐minute endurance cycle test after training. In single vastus lateralis fiber preparations obtained from a biopsy sample before and after training, the activity of succinate dehydrogenase (SDH), lactate dehydrogenase (LDH), and myofibrillar adenosine triphosphatase (mATPase) was determined using quantitative histochemical and image analysis technique. A cluster analysis of data defined three distinct fiber metabolic profiles (that is, different interrelationships among SDH, LDH, mATPase activity) prior to training. Following training, there was a shift in the metabolic profi...
在8周进行性大强度耐力训练(85%最大耗氧量[VO2max],每天60分钟,每周5天)之前和之后,研究了8名竞技自行车运动员(6名男性,2名女性)的单个肌纤维制剂中选定的酶。在训练后的60分钟耐力循环测试中,平均+ SD VO2max显著增加(3.71±0.62至4.15±0.65 L.min‐1),平均次最大耐力功率输出(150±24至204.8±36.9 W)。在训练前后从活检样本中获得的单个股外侧纤维制剂中,采用定量组织化学和图像分析技术测定琥珀酸脱氢酶(SDH)、乳酸脱氢酶(LDH)和肌纤维腺苷三磷酸酶(mATPase)的活性。数据聚类分析确定了训练前三种不同的纤维代谢谱(即SDH、LDH、mATPase活性之间的不同相互关系)。在训练之后,代谢方面发生了变化……
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引用次数: 3
Magnetic resonance imaging of total body fat in young adult men 年轻成年男性全身脂肪的磁共振成像
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512037
P. Vehrs, D. Parker, G. Fellingham, T. Adams, R. Robison, A. G. Fisher
Magnetic resonance imaging (MRI) offers an excellent opportunity to study human body composition. Differentiation of fat and nonfat tissue allows quantitative analysis of adipose tissue volume from MRI images. Cylindrical phantoms containing various proportions of water and oil were scanned using a spin echo sequence with an echo time of 12 ms, a repetition time of 150 ms with 20 mm slices. A previously described method of defining a fat pixel threshold underestimated the known volume of fat in the phantoms by a mean of 9.7%. Eight young male volunteers (mean age, 22 years) were scanned twice in succession using the same protocol as with the phantoms. The volume of fat calculated from images of eight subjects was upwardly adjusted by the amount the pixel thresholding method underestimated the known volumes of fat in the phantoms. The fat volume determined from the images of human subjects was converted to weight and then percent body fat (BF). The mean percent BF of the two MRI scans of the eight subjects...
磁共振成像(MRI)为研究人体成分提供了一个极好的机会。脂肪和非脂肪组织的区分可以从MRI图像中定量分析脂肪组织体积。使用自旋回波序列扫描含有不同比例水和油的圆柱形幻影,回波时间为12 ms,重复时间为150 ms,切片为20 mm。先前描述的定义脂肪像素阈值的方法平均低估了幻影中已知的脂肪体积9.7%。8名年轻男性志愿者(平均年龄22岁)被连续扫描了两次,使用的方法与研究幻影时相同。通过像素阈值法低估了幻影中已知的脂肪体积,向上调整了从8个受试者的图像中计算出的脂肪体积。从人体图像中确定的脂肪体积被转换成体重,然后再转换成体脂百分比(BF)。8名受试者的两次MRI扫描的平均BF百分比…
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引用次数: 1
Comparison of phonophoresis and knee immobilization in treating iliotibial band syndrome 音游术与膝关节固定治疗髂胫束综合征的比较
Pub Date : 1995-04-01 DOI: 10.1080/15438629509512030
C. Bischoff, W. Prusaczyk, T. Sopchick, N. Pratt, H. Goforth
Iliotibial band syndrome (ITBS) is caused by irritation from the iliotibial band repetitively passing over the lateral femoral condyle during flexion and extension. This study evaluated the efficacy of two ITBS treatments: phonophoresis using ultrasound to transport 10% hydrocortisone into subcutaneous tissues, and knee immobilization. Students in Basic Underwater Demolition/SEAL training diagnosed with ITBS were randomly assigned to group P (n = 13) receiving phonophoresis or group I (n = 13) receiving knee immobilization. Both groups received rest, ice, stretching, and ibuprofen. Subjects were examined daily until pain free. Endpoint was defined as running 1 mile on a treadmill without pain or stiffness. Group P was pain free on examination sooner (2 versus 8 days; p ≤0.001). A greater (p ≤0.005) proportion of subjects from group P (100%) recovered in less than 10 days than from group I (62%). One subject from group P and three from group I experienced pain during the 1‐mile run.
髂胫束综合征(ITBS)是由于髂胫束在屈伸时反复穿过股骨外侧髁而引起的刺激。本研究评估了两种ITBS治疗的疗效:超声将10%的氢化可的松输送到皮下组织和膝关节固定。在基础水下爆破/海豹突击队训练中被诊断为ITBS的学生被随机分为P组(n = 13)和I组(n = 13)。两组均给予休息、冰敷、拉伸和布洛芬。受试者每天接受检查,直到疼痛消失。终点定义为在跑步机上无疼痛或僵硬跑1英里。P组在检查时较早无痛(2天对8天;p≤0.001)。p组患者在10天内康复的比例(100%)高于I组(62%)(p≤0.005)。P组的1名受试者和I组的3名受试者在1英里的跑步过程中经历了疼痛。
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引用次数: 13
Competitive sports activities improve cardiocirculatory performance in insulin‐dependent diabetics 竞技体育活动可改善胰岛素依赖型糖尿病患者的心脏循环功能
Pub Date : 1994-09-01 DOI: 10.1080/15438629409512015
C. Ciuti, C. Marcello, A. Concu
By means of noninvasive transthoracic impedance cardiography, the cardiovascular profile of two groups of male asymptomatic and glycometabolic‐compensated insulin‐dependent diabetics (IDD), one composed of five untrained patients (UD) and the other of five athletes trained for aerobic‐anaerobic sports (TD), was studied during a cycle ergometer progressive exercise up to a submaximal work rate corresponding to a heart rate (HR) of 130 beats/ min (W 130). At rest, although HR and arterial blood pressure were similar in the two groups, values for TD were higher than for UD in stroke volume (SI, +14%) and cardiac output (CI, +26%) index expressed per m2 of body surface area, impedance‐derived cardiac work indicator (CWI, +24%), impedance‐derived heart mechanical efficiency indicator (HEI, +16%), impedance‐derived ventricle preload indicator (PLI, +12%), and those for TD were lower than for UD in impedance‐derived total peripheral resistance indicator (TPRI, ‐24%) and impedance‐derived myocardial contractility...
通过无创伤性经胸阻抗心动图,研究了两组男性无症状和糖代谢代偿胰岛素依赖性糖尿病患者(IDD)的心血管特征,其中一组由5名未经训练的患者(UD)组成,另一组由5名接受有氧-无氧运动(TD)训练的运动员组成,他们在循环计力器渐进式运动中达到次最大工作速率,对应于心率(HR) 130次/分钟(w130)。休息时,尽管两组的HR和动脉血压相似,但TD的值高于UD,包括每平方米体表面积的搏气量(SI, +14%)和心输出量(CI, +26%)指数、阻抗衍生心脏工作指标(CWI, +24%)、阻抗衍生心脏机械效率指标(HEI, +16%)、阻抗衍生心室预负荷指标(PLI, +12%)。在阻抗衍生的总外周电阻指标(TPRI, - 24%)和阻抗衍生的心肌收缩力方面,TD组低于UD组。
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引用次数: 3
Ultraviolet skin exposure in marathon runners 马拉松运动员皮肤暴露在紫外线下
Pub Date : 1994-09-01 DOI: 10.1080/15438629409512018
J. Verdaguer-Codina, P. Pujol, X. Cabo, J. Coll, C. Trullás, A. Ruiz, J. Torres, J. Prat
Ultraviolet (UV) skin exposure was measured in a group of 21 marathon runners during the Barcelona and Madrid marathons. This was accomplished by means of a personal dosimeter attached to the runner's chest or back. At the same time, ambient UV irradiance and heat stress index were also measured by means of a spectroradiometer and a heat versus exertion monitor, respectively. The latter is an analog of the wet bulb globe temperature. The results showed that during the races the marathoners received a mean radiation of 10 and 4.5 of the minimal erythematous dose. In spite of this high UVB dose the runners did not show unwanted acute skin responses such as sunburn. Since marathon runners can be at high risk for skin cancer, the guidelines for protection of the skin from the American Cancer Society against UV radiation are highly recommended for this group of athletes.
在巴塞罗那和马德里马拉松比赛期间,研究人员测量了21名马拉松运动员的皮肤紫外线暴露情况。这是通过安装在跑步者胸部或背部的个人剂量计来完成的。同时,用光谱辐射计和热负荷监测仪分别测量了环境紫外线辐照度和热应激指数。后者是湿球温度的模拟。结果显示,在比赛期间,马拉松运动员接受的平均辐射是最小红斑剂量的10倍和4.5倍。尽管UVB的剂量很高,但跑步者并没有表现出不必要的急性皮肤反应,比如晒伤。由于马拉松运动员患皮肤癌的风险很高,美国癌症协会强烈建议这类运动员使用紫外线辐射保护皮肤的指南。
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引用次数: 2
Net energy cost of stair climbing and ambulation in subjects with hemiplegia 偏瘫患者爬楼梯和行走的净能量消耗
Pub Date : 1994-09-01 DOI: 10.1080/15438629409512017
R. Shephard, T. Kavanagh, R. Campbell, B. Lorenz
A Kofranyi‐Michaelis respirometer has been used to measure net energy expenditures in 16 women and 52 men undergoing rehabilitation following hemiplegia. Measurements were made during seated rest, standing, comfortable ambulation, and ascent and descent of a laboratory staircase. Because tasks were performed more slowly than in the able‐bodied, all data were expressed as net oxygen cost (ml/[kg.m]) relative to seated rest. Resting metabolism was slightly reduced by hemiplegia (3.1 ± 0.7 and 3.4 ± 0.7 ml/[kg‐min] in men and women, respectively). Stair climbing was performed with a low net mechanical efficiency (6 to 8%). The metabolic cost of ambulation was also high relative to the able‐bodied individual, particularly at slow speeds of walking. Above a pace of 40 m/min in women and 50 m/min in men, the energy cost was only 10 to 20% higher in some hemiplegics than in the able‐bodied, but because of age and disability, many of the subjects with hemiplegia could not attain such speeds. We conclude that alth...
kofrani - Michaelis呼吸计用于测量16名女性和52名男性在偏瘫后接受康复治疗的净能量消耗。测量是在坐着休息,站立,舒适的步行,上升和下降实验室楼梯。由于任务执行速度比身体正常时慢,因此所有数据均以相对于坐着休息的净氧耗(ml/[kg.m])表示。偏瘫患者的静息代谢略有降低(男性和女性分别为3.1±0.7和3.4±0.7 ml/[kg - min])。爬楼梯的净机械效率较低(6 - 8%)。相对于身体健全的个体,行走的代谢成本也很高,特别是在缓慢行走时。当女性和男性的速度分别高于40米/分钟和50米/分钟时,一些偏瘫患者的能量消耗仅比健全人高10 - 20%,但由于年龄和残疾,许多偏瘫患者无法达到这样的速度。我们得出结论,健康……
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引用次数: 1
Brief communication: Use of the infrared temperature scanner during triage of hyperthermic runners 简短的交流:在热疗跑步者的分诊过程中使用红外温度扫描仪
Pub Date : 1994-09-01 DOI: 10.1080/15438629409512020
L. Armstrong, A. Crago, R. Adams, J. Senk, C. Maresh
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引用次数: 4
期刊
Sports Medicine, Training and Rehabilitation
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