Relationship between Asymmetry of Gait and Muscle Torque in Patients after Unilateral Transfemoral Amputation

Table 2

Vertical (v), anterio-posterior (a-p) GRF, and muscle torque of hip flexor and extensor variables and symmetry indexes between sides. Statistically significant differences between the sides are marked with an asterisk.

	Amputated leg	Intact leg	Symmetry index (%)
	Mean ± SD	Mean ± SD	Mean ± SD
GRF (%BW)
vF1	101.9 ± 5.1	109.6 ± 8.6	7.5 ± 5.4
vF2	85.6 ± 5.8	79.8 ± 8.0	7.8 ± 6.9
vF3	95.4 ± 3.1	107.7 ± 8.8	11.5 ± 10.0
a-pF1	8.5 ± 4.7	20.5 ± 7.5	9.3 ± 4.5
a-pF2	10.4 ± 4.1	13.0 ± 6.3	6.2 ± 6.3
Muscle torque (Nm/kg)
Flexors
Isometric	1.00 ± 0.15	1.28 ± 0.21	24.3 ± 07.3
Isokinetic 60°/s	0.93 ± 0.15	1.37 ± 0.21	38.8 ± 15.5
Isokinetic 120°/s	0.77 ± 0.15	1.14 ± 0.15	43.9 ± 13.9
Extensors
Isometric	1.32 ± 1.44	1.77 ± 0.65	50.5 ± 19.0
Isokinetic 60°/s	1.11 ± 0.97	1.58 ± 0.24	39.2 ± 18.4
Isokinetic 120°/s	0.90 ± 0.78	1.14 ± 0.24	44.8 ± 19.0
F/E ratio
Isometric	1.05 ± 0.34	0.86 ± 0.26	50.0 ± 16.2
Isokinetic 60°/s	0.93 ± 0.12	0.90 ± 0.11	28.6 ± 08.6
Isokinetic 120°/s	0.98 ± 0.19	1.10 ± 0.19	37.5 ± 11.1

Significant at .