Background: The FIFA 11+ was developed as a complete warm-up program to prevent
injuries in soccer players. Although reduced hip adduction strength is associated with groin
injuries, none of the exercises included in the FIFA 11+ seem to specifically target hip
adduction strength. Purpose: To investigate the effect on eccentric hip adduction strength of
the FIFA 11+ warm-up program with or without the Copenhagen adduction exercise. Study
Design: Randomized controlled trial; Level of evidence, 1. Methods: We recruited 45 eligible …

Background The FIFA 11+ was developed as a complete warm-up programme to prevent
injuries in football players. Although reduced hip adduction strength is associated with groin
injuries, none of the exercises included in the FIFA 11+ specifically target hip adduction
strength. Objective To investigate the effect on eccentric hip adduction strength of the FIFA
11+ warm-up programme with or without the Copenhagen Adduction exercise. Design
Randomised controlled trial. Setting U19 elite male football teams. Participants We recruited …