THE EFFECTS OF RESISTANCE EXERCISES ON THE NITROGEN, PHOSPHORUS, AND CALCIUM METABOLISM OF PATIENTS WITH RHEUMATOID ARTHRITIS 12

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Abstract
The effects of heavy resistance exercises on N, P, and Ca balance were detd. in 2 male patients with active rheumatiod arthritis. The exercises consisted of combined hip and knee extension and trunk flexioa. One patient performed 21,000 foot lbs. of work daily for 24 days and the other 15,900 foot lbs. daily for 12 days. The first patient had received 25 mg. of testosterone propionate per day for 18 days in a preceding expt. Resistance exercises resulted in N, P and Ca retention. Urinary 17-ketosteroids were not increases during exercise in one patient. The metabolic effects of exercise resembled those of testosterone. No unfavorable effects on the arthritis were noted.