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Avoidance of Swimmer's Cramp

Charles M. Strotz, M.D.
JAMA. 1912;LIX(5):385. doi:10.1001/jama.1912.04270080067027.
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To the Editor:  —Swimmers' cramp (the discussion of which began in The Journal, July 6, p. 53), is a condition well worthy of consideration. As it is the irony of fate to be thus attacked when immediate assistance cannot be obtained, preparedness is our most valuable asset. During the past few years I have had the pleasure of swimming in both the Atlantic and Pacific oceans quite frequently. A few hours' ride across the isthmus will permit one to enjoy both on the same day. My longest swim has been from Corozal to Balboa, a trifle over 2 miles. On several occasions in my earlier experience I have been embarrassed by the occurrence of severe "cramps" affecting the flexor group of muscles of one or both lower extremities. This usually developed after a strenuous effort continued for some time against a strong current or a heavy sea, the water being


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