Table 2.
Kinetic differences between stronger and weaker subjects based on relative eccentric knee extensor scores.
Variable | Strong (n = 9) | Weak (n = 9) | p | d |
---|---|---|---|---|
Ground Reaction Forces | ||||
Peak VGRF during Penultimate contact (bw) | 3.44 ± 0.74 | 3.05 ± 0.45 | 0.190 | 0.64 |
Ave VGRF during Penultimate contact (bw) | 0.78 ± 0.09 | 0.76 ± 0.05 | 0.518 | 0.27 |
Peak HGRF during Penultimate contact (bw) | −2.16 ± 0.37 | −1.77 ± 0.41 | 0.052 | −1.00 |
Ave HGRF during Penultimate contact (bw) | −0.53 ± 0.06 | −0.45 ± 0.07 | 0.009 | −1.23 |
Peak VGRF during Final contact (bw) | 3.03 ± 0.45 | 2.76 ± 0.70 | 0.354 | 0.46 |
Ave VGRF during Final contact (bw) | 1.38 ± 0.09 | 1.25 ± 0.11 | 0.011 | 1.29 |
Peak HGRF during Final contact (bw) | −2.04 ± 0.23 | −1.75 ± 0.44 | 0.107 | −0.83 |
Ave HGRF during Final contact (bw) | −0.99 ± 0.06 | −0.79 ± 0.11 | <0.0001 | −2.26 |
Joint Moments | ||||
Penultimate Hip Extensor Moment (Nm·kg−1) | −3.57 ± 0.78 | −2.90 ± 0.62 | 0.060 | −0.95 |
Penultimate Knee Extensor Moment (Nm·kg−1) | 3.15 ± 0.55 | 3.08 ± 0.37 | 0.783 | 0.15 |
Final Hip Extensor Moment (Nm·kg−1) | −2.85 ± 0.74 | −2.56 ± 0.78 | 0.432 | −0.38 |
Final Knee Extensor Moment (Nm·kg−1) | 2.25 ± 0.42 | 2.29 ± 0.20 | 0.817 | 0.12 |
Ave = average, VGRF = Vertical GRF, HGRF = Horizontal GRF.