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Exercise-Related Transient Abdominal Pain, Darren Morton, Robin Callister

Darren Morton

Exercise-related transient abdominal pain (ETAP), commonly referred to as “stitch”, is an ailment well known in many sporting activities. It is especially prevalent in activities that involve repetitive torso movement with the torso in an extended position, such as running and horse riding. Approximately 70% of runners report experiencing the pain in the past year and in a single running event approximately one in five participants can be expected to suffer the condition. ETAP is a well-localized pain that is most common in the lateral aspects of the mid abdomen along the costal border, although it may occur in any …