Skip to main content

Advertisement

Table 4 Reliability of strength related measurements during the endurance protocol

From: Shoulder muscle endurance: the development of a standardized and reliable protocol

Type of strength related measure Muscular group Group or subgroup Strength/fatigue§ ICC SEM MDC90%
Average peak velocity (°/sec) External Rotation Whole group 142.3 ± 44.7 0.90 19.7 45.8
   Low-standardized 118.5 ± 42.7* 0.88 19.0 44.2
   High-standardized 158.1 ± 39.4* 0.85 18.9 44.0
  Internal Rotation Whole group 161.7 ± 48.9 0.90 22.0 51.1
   Low-standardized 126.3 ± 41.7* 0.83 23.7 55.1
   High-standardized 185.3 ± 38.3* 0.82 19.9 46.3
Total Work (J) External Rotation Whole group 897.1 ± 411.9 0.96 111.6 259.5
   Low-standardized 781.0 ± 424.0 0.96 115.9 269.6
   High-standardized 974.5 ± 394.7 0.96 95.2 221.4
  Internal Rotation Whole group 1230 ± 609 0.96 183.5 426.8
   Low-standardized 952.4 ± 495.3 0.94 179.1 416.5
   High-standardized 1415 ± 617 0.95 176.8 411.4
Work Fatigue (%) External Rotation Whole group 34.0 ± 18.9 0.83 11.5 26.8
   Low-standardized 22.5 ± 20.8* 0.84 13.3 30.9
   High-standardized 41.6 ± 13.2* 0.82 8.4 19.6
  Internal Rotation Whole group 35.7 ± 21.7 0.78 13.2 30.8
   Low-standardized 25.7 ± 24.6* 0.78 14.7 34.1
   High-standardized 42.3 ± 17.1* 0.81 12.6 29.2
  1. Abbreviations: ICC, intraclass correlation coefficient; SEM, standard errors of measurement; MDC, minimal detectable change. §From session 1, Mean ± 1 standard deviation.
  2. * Significant differences between low and high standardized subgroups.