Tak, I., Engelaar, L., Gouttebarge, V., Barendrecht, M., Van den Heuvel, S., Kerkhoffs, G., . . . Weir, A. (2017). Is lower hip range of motion a risk factor for groin pain in athletes? A systematic review with clinical applications. Br J Sports Med. doi:10.1136/bjsports-2016-096619