PT - JOURNAL ARTICLE AU - Lasse Ishøi AU - Kristian Thorborg TI - Copenhagen adduction exercise can increase eccentric strength and mitigate the risk of groin problems: but how much is enough! AID - 10.1136/bjsports-2020-103564 DP - 2021 Feb 24 TA - British Journal of Sports Medicine PG - bjsports-2020-103564 4099 - http://bjsm.bmj.com/content/early/2021/02/23/bjsports-2020-103564.short 4100 - http://bjsm.bmj.com/content/early/2021/02/23/bjsports-2020-103564.full