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April 11, 1986

Jet-Ski Rhabdomyolysis

Author Affiliations

Massachusetts General Hospital Boston

JAMA. 1986;255(14):1879-1880. doi:10.1001/jama.1986.03370140077019

To the Editor.—  Acute exertional rhabdomyolysis is a syndrome occurring in apparently normal, healthy individuals as a result of performing strenuous exercise. It has been observed in marathon runners1-3 and military recruits4-6 and the activities of mechanical bull riding,7 conga drumming,8 karate kicking,9 and wrestling.10 We now describe a case of rhabdomyolysis occurring after jetskiing—a growing water sport in which the operator rides a motorcycle-like vehicle on the water's surface.

Report of a Case.—  A previously healthy 31-year-old man was initially seen with the complaint of right arm pain and swelling. Four and five days earlier, he rode a jet ski for three hours daily. He experienced only "ordinary" muscle aches until two days later, when he noted swelling of his right arm from the wrist to shoulder accompanied by paresthesias of the right hand. The patient denied recent trauma or participation in strenuous