Table 2 Results of a gamma GLMM include individual-specific random intercepts; the global intercept represents the reference level of the three categorical predictors (i.e., concentric contraction, plantar flexion, test order 1), p value *** < 0.001
|  | Estimate | Std. error | t Value | Pr ( >|z|) |  |
|---|---|---|---|---|---|
(Intercept) | 4.722 | 0.009 | 527.67 | \(< 2 \times 10^{ - 16}\) | *** |
Eccentric contraction | 0.147 | 0.008 | 17.50 | \(< 2 \times 10^{ - 16}\) | *** |
Isometric contraction | 0.258 | 0.009 | 29.34 | \(< 2 \times 10^{ - 16}\) | *** |
Dorsi flexion |  − 0.882 | 0.009 |  − 94.52 | \(< 2 \times 10^{ - 16}\) | *** |
Knee flexion | 0.191 | 0.009 | 20.64 | \(< 2 \times 10^{ - 16}\) | *** |
Knee extension | 0.778 | 0.030 | 25.60 | \(< 2 \times 10^{ - 16}\) | *** |
Hip abduction | 0.235 | 0.009 | 26.90 | \(< 2 \times 10^{ - 16}\) | *** |
Hip adduction | 0.297 | 0.009 | 31.97 | \(< 2 \times 10^{ - 16}\) | *** |
Hip flexion | 0.495 | 0.009 | 54.58 | \(< 2 \times 10^{ - 16}\) | *** |
Hip extension | 1.045 | 0.009 | 121.89 | \(< 2 \times 10^{ - 16}\) | *** |
Test order 2 |  − 0.212 | 0.009 |  − 23.57 | \(< 2 \times 10^{ - 16}\) | *** |
Test order 3 |  − 0.207 | 0.009 |  − 22.93 | \(< 2 \times 10^{ - 16}\) | *** |