Feasibility of progressive strength training shortly after hip fracture surgery

Table 1 Baseline data of patients with hip fractures included in a 6-wk rehabilitation programme

	All	Dropout within6 wk, n = 8	Followed 6-wkprogram, n = 31	P value
Age (yr)	77.7 ± 8.7	77.2 ± 8.3	77.9 ± 9.0	0.8
Women	33 (85)	7 (21)	26 (79)	1.0
Men	6 (15)	1 (17)	5 (83)
Cervical femoral fracture	23 (59)	4 (17)	19 (83)	0.8
Intertrochanteric fracture	12 (31)	3 (25)	9 (75)
Subtrochanteric fracture	4 (10)	1 (25)	3 (75)
New mobility score (0-9):
Pre-fracture functional level	9 (9-9)	9 (8.5-9)	9 (9-9)	0.8
Baseline functional level	4 (3-4)	4 (3-4)	4 (3-4)	0.9
Barthel-20 (0-20)	18 (17-20)	8 (17-19.5)	18 (17-20)	0.9
Balance, tandem test (0-30)	30 (23-30)	27 (24-30)	30 (22-30)	0.5
Timed up and go test, seconds	21.0 ± 7.2	22.4 ± 10	20.2 ± 6.0	0.4
Ten-meter fast speed walk, m/s	0.72 ± 0.22	0.65 ± 0.31	0.74 ± 0.19	0.3
Six min walk test, meters	198 ± 79	189 ± 80	201 ± 80	0.7
Fractured, knee-extension strength, Nm/kg	0.47 ± 0.16	0.39 ± 0.16	0.49 ± 0.16	0.1
Non-fractured, knee- extension strength, Nm/kg	0.79 ± 0.22	0.69 ± 0.29	0.81 ± 0.28	0.2

Data are presented as mean ± SD, as medians (25%-75% quartiles) or as n (%).

Table 2 Changes in function, knee-extension strength, and weight loads within six week of rehabilitation (n = 31)

	Baseline	6 wk	Percentagechange	P value
New mobility score (0-9)	3.7 ± 1.1	5.9 ± 1.6	59	< 0.001
Barthel (0-20)	18 (17-20)	20 (18-20)	11	< 0.001
Balance, tandem test (0-30)	30 (22-30)	30 (29-30)	0	< 0.001
Timed up and go test, seconds	20.2 ± 6.0	13.9 ± 3.2	-31	< 0.001
Ten-meter fast speed walk, m/s	0.74 ± 0.19	0.99 ± 0.2	34	< 0.001
Six-min walk, meters	200.6 ± 79.5	322.8 ± 68.5	61	< 0.001
Short-form 36, physical component summary	33.8 ± 9	37.1 ± 8	10	0.035
Short-form 36, mental component summary	45.5 ± 11.1	46.4 ± 9.6	2	0.639
Fractured knee-extension strength, Nm/kg	0.49 ± 0.16	0.82 ± 0.32	67	< 0.001
Non-fractured knee-extension strength, Nm/kg	0.82 ± 0.28	0.99 ± 0.34	21	< 0.001
Weight loads in kilograms (kg), fractured knee-extension:	First session	Last session
15 RM sessions, n: 34	3.3 ± 1.5	5 ± 1.7	52	< 0.001
12 RM sessions, n: 32	5.3 ± 1.9	6.6 ± 2.3	25	< 0.001
10 RM sessions, n: 31	6.8 ± 2.4	7.7 ± 2.6	13	< 0.001
Weight loads (kg), bilateral leg press:
15 RM training sessions	50.3 ± 13.4	90.8 ± 40.0	81	< 0.001
12 RM training sessions	91.2 ± 38.8	108.9 ± 47.7	19	< 0.001
10 RM training sessions	108.9 ± 47.7	121.9 ± 54.0	12	< 0.001

Data are presented as mean ± SD, as medians (25%-75% quartiles) or as percentages. RM: Repetition maximum.