9781422272114

WORDS TO UNDERSTAND global systems— muscles that run from the pelvis to the thoracic cage to help transfer energy between the lower and upper body kinetic chain— a group of interconnected joints and muscles that work together to perform a task local systems— muscles of the core with insertions or origins along the lumbar spine which help generate stiffness pelvic floor— a group of muscles at the base of the pelvis supporting the organs

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