Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine
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To investigate whether abdominal muscle thickness in athletes with long-standing adduction-related groin pain (LAGP) differs between subgroups with a positive or no response to a pelvic belt. The response to a pelvic belt is defined positive in case of a decrease > or = 1 on a Likert pain scale (0-10) during the squeeze test (SQT) or a decrease > or = 1 on the active straight leg raise (ASLR) test score (0-10). ⋯ Using these methods, abdominal muscle thickness behavior in athletes with LAGP did not differ between the subgroups based on a positive or no response to a pelvic belt. However, the ultrasound method used may not have been sensitive enough to reveal differences between groups.