The Functional Movement Screen (FMS) has been utilized as a screening tool for detecting abnormalities such as asymmetries and compensations on movement patterns. Previous studies have reported that 14 points and under of the FMS composite score showed higher risk of severe sports injuries. Improving the FMS score is considered to be important for injury prevention. While the FMS has been considered to be a useful prediction tool for sports injury, it is still unknown whether exercises for

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... ity (MEx) influence the FMS score. The aim of this study was to determine the effects of MEx on the FMS score. Fifty-two collegiate American football players participated in this study. The inclusion criteria were as follows ; no orthopaedic injury history in latest 3 months, 2 points and under of the FMS mobility score (Shoulder Mobility Reaching ; SMR and Active Straight Leg Raise ; ASLR) in baseline test for the good mobility group (38 players), 3 points of the FMS mobility score for the poor mobility group (14 players). The FMS was measured at preseason as a baseline test and was retested after 12 weeks. Players performed the MEx for 12 weeks (3 times per week). For the poor mobility group, the FMS composite score, deep squat (DS), SMR and ASLR were significantly increased at 12 weeks. SMR and ASLR mainly require active mobility. The MEx affected not only the mobility items of the FMS but also DS which is a complex movement pattern required mobility and stability.