Proprioception and joint pathology.
Many problems consequent to joint pathology are attributed to impaired proprioception. However, proprioception is not consistently impaired by pathology, even pathology that severely affects the articular surface, and intriguingly, there may be a deficit in some aspects of proprioception but not others. Furthermore, deficits in proprioception appear to affect specific planes of movement in joints with more than one degree of freedom. For such knowledge to be useful for rehabilitation we need further insight into issues including: the magnitude of proprioceptive impairment that is clinically relevant, normal variability in sensibility for each proprioceptive task, and the relationship between proprioception and function.
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