Comparison of postoperative isokinetic quadriceps and gluteal muscular strength after primary THA: is there an early benefit through enhanced recovery programs?

Journal of Experimental Orthopaedics

Table 3 Positive Trendelenburg’s sign, ability to one-leg stand (> 15 s) and passive range of motion of the operated hip

		Non-ERAS (n = 12)	ERAS (n = 12)	*Statistical difference*
Positive Trendelenburg’s sign (%)				*p-value*
PRE-OP		16.7	25	0.99
5 d POST-OP		50	8.3	0.07
4 w POST-OP		8.3	0	0.99
Possibility One-leg stand > 15 s (%)
PRE-OP		66.7	58.3	0.99
5 d POST-OP		16.7	50	0.19
4 w POST-OP		58.3	83.3	0.37
Passive range of motion (°) mean ± SD
PRE-OP	Flexion	103.1 ± 14.9	95.5 ± 7.6	0.36
PRE-OP	Abduction	26.3 ± 5.2	21.5 ± 6.7	0.12
5 d POST-OP	Flexion	96.7 ± 6.6	98.8 ± 9.9	0.7
5 d POST-OP	Abduction	27.73 ± 6.8	37.5 ± 4.6	< *0.001*
4 w POST-OP	Flexion	104 ± 12.7	109.2 ± 9.9	0.28
4 w POST-OP	Abduction	39 ± 7.4	39.2 ± 5.2	0.83