Table 5.
Muscle forces (mean ± SD) from experiment two as a function of each stance-width condition.
| NARROW | MID | WIDE | ||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Peak quadriceps force (N/kg) | 70.60 | 6.46 | 67.48 | 7.53 | 63.99 | 6.75 |
| Quadriceps force at mid-lift (N/kg) | 64.38 | 9.06 | 61.71 | 10.37 | 55.68 | 8.58 |
| Peak gluteus force (N/kg) | 28.13 | 10.46 | 28.97 | 11.23 | 33.99 | 17.46 |
| Gluteus ascent impulse (N/kg·s) | 14.07 | 4.19 | 14.76 | 3.96 | 16.81 | 6.39 |
| Gluteus force at mid-lift (N/kg) | 26.05 | 6.65 | 27.68 | 9.01 | 31.98 | 13.68 |
| Peak hamstring force (N/kg) | 60.42 | 18.38 | 61.61 | 18.81 | 69.90 | 26.56 |
| Hamstring ascent impulse (N/kg·s) | 30.04 | 8.21 | 31.40 | 7.55 | 35.18 | 11.18 |
| Hamstring descent impulse (N/kg·s) | 29.89 | 12.64 | 31.17 | 13.05 | 37.21 | 21.40 |
| Hamstring force at mid-lift (N/kg) | 56.35 | 11.50 | 59.00 | 14.63 | 66.25 | 20.08 |
| Peak gastrocnemius force (N/kg) | 5.78 | 1.04 | 5.90 | 1.16 | 5.25 | 1.23 |
| Gastrocnemius force at mid-lift (N/kg) | 4.50 | 1.42 | 4.63 | 1.94 | 3.86 | 1.80 |
| Peak soleus force (N/kg) | 12.34 | 2.23 | 12.59 | 2.47 | 11.21 | 2.63 |
| Soleus force at mid-lift (N/kg) | 9.62 | 3.02 | 9.89 | 4.13 | 8.23 | 3.85 |