Christopher Jacobs
Publication Details
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Influence of metacarpophalangeal joint position on basal joint-loading in the thumb.
J Bone Joint Surg Am. 2001; (5): 709-16
Conventional wisdom holds that hyperextension of the metacarpophalangeal joint of the thumb is secondary to degenerative subluxation of the trapeziometacarpal joint as occurs in osteoarthritis. We propose that a hypermobile metacarpophalangeal joint may have a causative role in the development of primary osteoarthritis at the base of the thumb by concentrating forces on the palmar aspect of the trapeziometacarpal joint.
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