Fig. 1From: Assessment of isokinetic trunk muscle strength and its association with health-related quality of life in patients with degenerative spinal deformityIsokinetic trunk muscle strength test. Illustration: Participant performing a maximum effort of trunk flexion-extension in the isokinetic dynamometer with a range of motion of 40° a -20° trunk flexion b 0°initial position c 20°trunk extensionBack to article page