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Biomedical subjects

P L Claypool

Publications and source records attributed to P L Claypool.

20 records · Page 2Linked to original sources

Breath hydrogen (H2) response to carbohydrate malabsorption after exercise.

Ten subjects were studied in order to determine whether mild exercise after an overnight fast would influence the baseline breath H2 concentration or breath H2 response to the nonabsorbable disaccharide, lactulose. Breath H2 concentrations immediately after exercise were significantly lowered (p less than 0.0001) but rapidly returned to baseline values. Exercise did cause a significant change in the overall response after oral lactulose and must be considered when sequential breath H2 tests are undertaken.

Adult↗

A comparison of anterior compartment pressures in competitive runners and cyclists.

Anterior compartment pressure was measured in 10 competitive runners and in 10 competitive cyclists who were asymptomatic for compartment syndrome. Pressures were measured at rest, after exercise at 80% VO2max, after maximal exercise, and 15 minutes after both exercise bouts. No difference in compartment pressure was found after exercise at 80% VO2max in runners and cyclists. Total creatinine phosphokinase enzyme levels measured before and after exercise at 80% VO2max showed a 10-fold increase in runners as compared to cyclists. Anterior compartment pressure measured after maximal exercise was significantly greater in runners as compared to cyclists. Compartment pressure showed no increase from resting values during cycling at 80% VO2max or maximal exercise. These findings suggest that patients with chronic anterior compartment syndrome may be able to cycle without elevation of compartment pressure and concomitant pain as an alternative exercise to maintain a continued degree of fitness and training. Compartment pressures should be measured during cycling in patients with chronic compartment syndrome to determine its efficacy as a method for maintenance of cardiorespiratory fitness.

Anterior Compartment Syndrome↗