Relationship between physical activity and hip pain in persons with and without cam or pincer morphology: a population-based case–control study

ObjectivesThe purpose of the study was to determine if physical activity (PA) is a risk factor for persistent or recurrent hip pain in young and middle-aged persons with and without radiographic findings of cam or pincer morphology (CPM).MethodsA population sample of persons aged 20–49 with (cases) and without (controls) hip pain in Metro Vancouver, Canada, was selected through random digit dialing (RDD). Self-reported PA was expressed as...