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Fig. 6 | BMC Musculoskeletal Disorders

Fig. 6

From: Subgroups of lumbo-pelvic flexion kinematics are present in people with and without persistent low back pain

Fig. 6

Onset delay of lumbar or pelvic movement. These graphs show ROM (Y axis) changes over time (X axis). Graph A was from a person who moved their lumbar spine into flexion with a two second delay before the pelvis started moving. Graph B shows a more typical pattern with a synchronous start of movement of the lumbar spine and pelvis. The green line indicates EMG activity of lumbar extensor muscles

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