Factors influencing exercise-related transient abdominal pain

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Abstract
MORTON, D. P., and R. CALLISTER. Factors influencing exercise-related transient abdominal pain. Med. Sci. Sports Exerc., Vol. 34, No. 5, pp. 745–749, 2002. Exercise-related transient abdominal pain (ETAP) is a widely experienced but poorly understood problem. This study examined the influence of age, gender, body mass index (BMI), training status, and sporting activity on the experience of ETAP and shoulder tip pain (STP). STP may occur as a result of referred pain from tissues innervated by the phrenic nerve; these tissues are implicated in theories proposed to explain ETAP. A total of 965 regular sporting participants were surveyed from six sporting activities: running, swimming, cycling, aerobics, basketball, and horse riding. The prevalence (r = −0.28, P P Training status alters the frequency of occurrence of ETAP but has little effect on the incidence or severity of the pain. Further, ETAP and STP decrease with age but are not related to gender or BMI.