Table 3.
Kinetic parameters of the Ground Reaction Force (GRF) in vertical plane (z) and horizontal in gait direction (y) as well as the ankle dorsal moment and power (*: statistically significant; NS: not significant).
| Control group (n = 16) | Mean (SD) | JIA-Patients (n = 35) | Mean (SD) | t-Test | ||
|---|---|---|---|---|---|---|
| GRF(z) P1 | [% BWT] | 107,0 | 15,5 | 110,6 | 9,7 | NS |
| GRF(z) P2 | [% BWT] | 71,7 | 9,8 | 77,4 | 7,2 | ,025* |
| GRF(z) P3 | [% BWT] | 111,8 | 16,4 | 106,9 | 6,9 | NS |
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| GRF(y) P1 | [% BWT] | 17,2 | 3,7 | 15,8 | 3,6 | NS |
| GRF(y) P2 | [% BWT] | −21,3 | 3,2 | −17,2 | 4,3 | ,001* |
|
| ||||||
| Ankle (max-Dorsi-moment) | [Nm/kg(BWt)] | 1,5 | ,2 | 1,2 | ,2 | ,001* |
| Ankle (max-Power generation) | [W/kg(BWt)] | 4,5 | ,9 | 3,0 | 1,2 | ,000* |