Musculoskeletal pain is known to alter sensorimotor function of the affected body part. For example, individuals with chronic lateral elbow pain (chronic lateral epicondylalgia or ‘Tennis Elbow’) display increased sensitivity to mechanical stimuli,32 decreased maximal wrist extensor force and reduced grip force6,57 on the painful side. Interestingly, bilateral deficits in sensorimotor function are also observed in these individuals, despite the presence of pain in only one limb6,12,18. For example, a recent systematic review demonstrated flexed wrist postures, increased upper-limb reaction times, reduced speed of movement, and reduced pressure and thermal pain thresholds in the unaffected limb of people with chronic lateral elbow pain6,27,49.
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