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

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

Characteristic 30°/s 60°/s 120°/s GS-left (Kg) GS-right (Kg)
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
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
  1. Abbreviations: SD Standard deviation, DSD Degenerative spinal deformity, PT Peak torque, Diff % Between-group difference, F/E Flexion/Extension ratio
  2. *P < 0.05, **P < 0.01, matched analysis