Biomechanical studies have shown that surgical treatments for osteoarthritis and rheumatoid arthritis frequently
decrease the amount of possible wrist motion, alter the load distribution between the radius and ulna and increase the contact
pressure in the wrist joint. Both wrist motion and carpal bone motion are decreased with carpal bone arthrodesis and
wrist ligament injury. Relative loading between the distal radius and ulna is altered by ulnar shortening. Carpal bone fusion
alters the wrist joint contact pressure. Research continues to be needed to biomechanically examine the consequences
of surgical treatments as well as to evaluate the long term clinical consequences of surgery.
Keywords: Wrist biomechanics, kinematics , kinetics
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