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Related to relative flexibility: autogenic inhibition
Increased mobility or frequency of movement in a joint adjacent to a body part with restricted mobility, such as an injured muscle, bone, capsule, tendon, or ligament. This can be a normal relationship between segments, but it can cause pathology and impairments. Relative flexibility can account for overuse, sprain, or strain of a joint due to stiffness in an adjacent joint. For example, lumbar spine strain due to short hamstrings limits hip motion.
See also: flexibility