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Table 2 Relative and absolute reproducibility statistics for comparison of peak force from sessions 2 and 3

From: Reproducibility of peak force for isometric and isokinetic multi-joint leg extension exercise

 

ICC (2,1)

95% CI

SEM

(N)

SEM

(% of mean)

T Iso100

L Iso100

0.989

0.979

0.978–0.995

0.955–0.990

66.3

42.0

2.3

2.8

R Iso100

T Iso140

L Iso140

0.987

0.980

0.964

0.948–0.995

0.957–0.991

0.923–0.983

37.6

160.4

115.0

2.4

5.5

3.5

R Iso140

0.976

0.948–0.989

97.4

3.0

T 30 mm/s

L 30 mm/s

R 30 mm/s

T 600 mm/s

L 600 mm/s

R 600 mm/s

0.911

0.912

0.945

0.982

0.972

0.975

0.809–0.958

0.811–0.959

0.880–0.974

0.961–0.992

0.941–0.987

0.947–0.989

294.7

140.1

108.5

97.1

53.8

57.1

6.3

5.4

4.1

4.0

3.7

3.9

  1. ICC– intraclass correlation coefficient, CI– confidence interval, SEM– standard error of measurement, N– Newton, T– two-legged, L– left leg only, R– right leg only, Iso100– isometric 100° knee angle, Iso140– isometric 140° knee angle