H.K. Study: Flexing Wrist Increases Carpal Tunnel Risk

A Hong Kong study found frequently extending or flexing one's wrist can lead to an increased risk of carpal tunnel syndrome. Researchers performed a case-control study with 166 cases and 111 controls. The cases and controls, from Hong Kong in 2004, completed surveys on their health, smoking status, wrist posture, and motion. The study is published in the July 2007 issue of the biannual "Hand Surgery" journal. The study found frequent flexion, extension, and sustained forceful motion of the wrist were all found to be associated with carpal tunnel syndrome. Neutral wrist posture and rep...