Skip to main content

Table 6 Regression equations for calculation of reference values

From: Reference values for isometric muscle force among workers for the Netherlands: a comparison of reference values

Muscle force Regression equations R2
Elbow flexion left -4.93 + 56.96*S-0.64*A + 0.89*W + 0.89*H 0.51
Elbow flexion right 10.67 + 57.47*S-0.72*A + 0.95*W + 0.85*H 0.49
Elbow extension left 23.85 + 36.56*S-0.50*A + 1.07*W + 0.29*H 0.44
Elbow extension right 80.39 + 41.56*S-0.47*A + 1.14*W-0.06*H 0.48
Knee flexion left 47.92 + 43.52*S-0.60*A + 1.36*W + 0.40*H 0.34
Knee flexion right 43.84 + 47.03*S-0.71*A + 1.33*W + 0.50*H 0.35
Knee extension left -204.36 + 43.69*S-1.13*A + 1.90*W + 2.19*H 0.31
Knee extension right -215.54 + 40.73*S-0.82*A + 2.0*W + 2.22*H 0.25
Shoulder abduction left -20.68 + 45.25*S-0.04*A + 0.64*W + 0.56*H 0.46
Shoulder abduction right 10.07 + 43.63-0.16*A + 0.76*W + 0.36*H 0.43
  1. A, age; W, weight; H, height; S, sex (1 for male, 0 for female).