Hip joint and muscle loading for persons with bilateral transfemoral/through-knee amputations: biomechanical differences between full-length articulated and foreshortened non-articulated prostheses

Table 5 Hip flexor muscle force impulse and impulse normalised to walked distance for BTF using two different prosthetic designs

Muscle	BTF stubbies Mean ± SD		BTF full-length articulated prostheses Mean ± SD
Muscle	Impulse (BW.s)	Normalised impulse (BW.s/m)	Impulse (BW.s)	Normalised impulse (BW.s/m)
Iliacus	19.51 ± 11.14	19.80 ± 9.80	35.71 ± 13.13	24.23 ± 7.92
Psoas	19.60 ± 11.51	20.02 ± 11.23	40.29 ± 15.15	27.28 ± 9.18
Rectus femoris	4.49 ± 2.67	4.48 ± 2.27	9.34 ± 3.14	6.34 ± 1.84
Sartorius	1.54 ± 0.87	1.55 ± 0.81	3.23 ± 0.27	2.22 ± 0.15

ISSN: 1743-0003