Assessment of isokinetic trunk muscle strength and its association with health-related quality of life in patients with degenerative spinal deformity

Table 2 Trunk muscle strength and grip strength of both Groups (mean ± SD)

Characteristic	30°/s			60°/s			120°/s			GS-left (Kg)	GS-right (Kg)
Characteristic	Flexor PT (N·m)	Extensor PT (N·m)	F/E	Flexor PT (N·m)	Extensor PT (N·m)	F/E	Flexor PT (N·m)	Extensor PT (N·m)	F/E	GS-left (Kg)	GS-right (Kg)
DSD group	58.9 ± 36.3	64.3 ± 48.5	1.1 ± 0.6	68.7 ± 30.8	62.2 ± 39.1	1.4 ± 0.7	91.5 ± 45.9	73.6 ± 46.4	1.5 ± 0.8	24.4 ± 7.5	25.1 ± 8.3
Control group	70.8 ± 24.4	91.3 ± 36.1	0.9 ± 0.4	76.6 ± 25.4	94.4 ± 40.2	0.9 ± 0.4	103.0 ± 40.5	105.5 ± 42.0	1.1 ± 0.5	25.5 ± 5.2	26.0 ± 4.9
Diff %	16.8	29.6	22.2	10.3	34.1	55.6	11.2	30.2	36.4	4.3	3.5
t	−1.574	−2.602	1.912	−1.162	−3.399	3.242	−1.094	−2.995	2.591	−0.656	− 0.537
P	0.120	0.011*	0.061	0.249	0.001**	0.002**	0.278	0.004**	0.012*	0.514	0.593

Abbreviations: SD Standard deviation, DSD Degenerative spinal deformity, PT Peak torque, Diff % Between-group difference, F/E Flexion/Extension ratio
*P < 0.05, **P < 0.01, matched analysis

ISSN: 1471-2474