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Relative Flexibility

"Stiffness in one muscle group or joint will cause compensatory movement at adjoining joints that are controlled by muscles and soft tissues that exhibit less stiffness (1)."   Example: A reduction in hip extension range of motion may result in an increase in lumbar extension during gait.
  1. Shirley A Sahrmann, Diagnoses and Treatment of Movement Impairment Syndromes, © 2002 Mosby Inc.