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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: The influence of fatigue and chronic low back pain on muscle recruitment patterns following an unexpected external perturbation

Fig. 2

Temporal representation of the average value of the bursts of each muscle (biceps brachii (BB) thoracic spinal erector (SE) right multifidus (RM), left multifidus (LM), external oblique (EO), internal oblique (IO)) for both groups and for the condition of fatigue. a Group without lumbar pathology (H); b Group with nonspecific chronic low back pain (CLBP); c Condition of fatigue (With-F). The coloured bars represent, for different muscles, the moment when the first and second bursts after impact starts and their duration. The striped areas represent the parts of the bursts belonging to two different bursts (overlapping)

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