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Fig. 5 | BMC Musculoskeletal Disorders

Fig. 5

From: Degenerative characteristics of multifidus at different vertebral levels of scoliosis in patients with degenerative lumbar scoliosis and relationship of these degenerative characteristics with surface electromyography activity

Fig. 5

Typical processed images of three sets of motion signals acquired by the IMU: acceleration along the vertical axis (x-axis), horizontal axis (y-axis), and anteroposterior axis (z-axis). a Standing still phase. b Maximal standing flexion/extension maintenance phase. The X-axis is the data acquisition frequency (Hz), and the Y-axis is the acceleration of motion (mg)

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