Background: Test-retest strength reliability of the Electronic Push/Pull Dynamometer (EPPD) in the measurement of the extensor and flexor muscles on a new constructed chair. The objective of the study was to assess re...Background: Test-retest strength reliability of the Electronic Push/Pull Dynamometer (EPPD) in the measurement of the extensor and flexor muscles on a new constructed chair. The objective of the study was to assess reliability of Electronic Push/Pull Dynamometer in the measurement of the knee flexion and extension at 90° and 60° on a new constructed chair. The aims of the author: To assess reliability of Electronic Push/Pull Dynamometer in the measurement of the knee flexion and extension at 90° and 60° on a new constructed chair. Design: A test-retest reliability study. Subjects: One hundred healthy students male and female (mean age, 21y). Methods: Maximum isometric strength of the quadriceps and hamstring muscle groups was measured using the EPPD were recorded at 60° and 90° for 3 trials on 2 occasions. Reliability was assessed with the Intraclass correlation coefficient (ICC), mean and standard deviation (SD) of measurements, and smallest real differences were calculated for the maximum and for the mean and work of the 3 repetitions. Results: Mean strength ranged from 50.44 kg for knee flexion to 55.76 kg for knee extension 50.44 kg to 61.98 kg at 90° hip flexion. Test-retest reliability Intraclass correlation coefficients (ICCs) ranged from 0.85 to 0.99. ICCs for test-retest reliability ranged from 0.780 to 0.998. Conclusions: The results of the reliability study indicate that the EPPD in reliable dynamometer to use in determining lower limb muscle force production. It can be used to measure disease progression and to evaluate changes in knee extension and flexion strength at the individual patient level.展开更多
目的通过使用手持式测力计与等速肌力测试两种方式,来测定羽毛球运动员肩关节旋转肌力,观察手持式测力计测试结果与等速肌力测试结果的相关度,探索手持式测力计在运动员肌力评定中的应用。方法以13名女子羽毛球专业运动员为受试者,分别...目的通过使用手持式测力计与等速肌力测试两种方式,来测定羽毛球运动员肩关节旋转肌力,观察手持式测力计测试结果与等速肌力测试结果的相关度,探索手持式测力计在运动员肌力评定中的应用。方法以13名女子羽毛球专业运动员为受试者,分别采用手持式测力计(micro FET 2)与等速测试系统(Iso Med 2000)来测定肩关节旋转肌力,进行统计分析。结果 (1)羽毛球运动员优势侧肩关节旋内肌力测试,手持式测力计与等速快速方式的相关度为r=0.580(P<0.05);非优势侧肩关节旋内肌力测试,手持式测力计与等速快速方式的相关度为r=0.883(P<0.01)。(2)手持式测力计与等速慢速方式下的测试结果相关度无显著性意义。结论 (1)手持式测力计与等速快速肌力测试方式,在羽毛球运动员肩关节旋内肌力的测试结果中具有良好的相关性。(2)手持式测力计的操作简便易行,值得在运动员肩部运动损伤的预防和康复工作中推广使用。展开更多
文摘Background: Test-retest strength reliability of the Electronic Push/Pull Dynamometer (EPPD) in the measurement of the extensor and flexor muscles on a new constructed chair. The objective of the study was to assess reliability of Electronic Push/Pull Dynamometer in the measurement of the knee flexion and extension at 90° and 60° on a new constructed chair. The aims of the author: To assess reliability of Electronic Push/Pull Dynamometer in the measurement of the knee flexion and extension at 90° and 60° on a new constructed chair. Design: A test-retest reliability study. Subjects: One hundred healthy students male and female (mean age, 21y). Methods: Maximum isometric strength of the quadriceps and hamstring muscle groups was measured using the EPPD were recorded at 60° and 90° for 3 trials on 2 occasions. Reliability was assessed with the Intraclass correlation coefficient (ICC), mean and standard deviation (SD) of measurements, and smallest real differences were calculated for the maximum and for the mean and work of the 3 repetitions. Results: Mean strength ranged from 50.44 kg for knee flexion to 55.76 kg for knee extension 50.44 kg to 61.98 kg at 90° hip flexion. Test-retest reliability Intraclass correlation coefficients (ICCs) ranged from 0.85 to 0.99. ICCs for test-retest reliability ranged from 0.780 to 0.998. Conclusions: The results of the reliability study indicate that the EPPD in reliable dynamometer to use in determining lower limb muscle force production. It can be used to measure disease progression and to evaluate changes in knee extension and flexion strength at the individual patient level.
文摘目的通过使用手持式测力计与等速肌力测试两种方式,来测定羽毛球运动员肩关节旋转肌力,观察手持式测力计测试结果与等速肌力测试结果的相关度,探索手持式测力计在运动员肌力评定中的应用。方法以13名女子羽毛球专业运动员为受试者,分别采用手持式测力计(micro FET 2)与等速测试系统(Iso Med 2000)来测定肩关节旋转肌力,进行统计分析。结果 (1)羽毛球运动员优势侧肩关节旋内肌力测试,手持式测力计与等速快速方式的相关度为r=0.580(P<0.05);非优势侧肩关节旋内肌力测试,手持式测力计与等速快速方式的相关度为r=0.883(P<0.01)。(2)手持式测力计与等速慢速方式下的测试结果相关度无显著性意义。结论 (1)手持式测力计与等速快速肌力测试方式,在羽毛球运动员肩关节旋内肌力的测试结果中具有良好的相关性。(2)手持式测力计的操作简便易行,值得在运动员肩部运动损伤的预防和康复工作中推广使用。
