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Published on: January 24, 2018
Trapezio metacarpal instability and arthritis: etiopathogenetic interpretation and surgical technique
G A Brunelli1, G R Brunelli, V Mattiuzzo
1Professor and Chairman, Orthopaedic Department, Brescia University Medical School, Brescia, Italy.
Abstract:
Trapezio metacarpal joint (TMJ) arthritis depends on various etiologies including joint laxity, repetitive stresses, hypoplasia of the trapezium bone, and musculotendinous anomalies. The anatomy of the musculotendinous insertions described in textbooks is found very seldom in reality. Only in 2 cases out of 100 hand dissections did we find 1 abductor pollicis longus (APL) tendon. The number of tendons of the first wrist compartment averaged more than four, in different arrangements.
