Effects of foam rolling and static stretching training in youth soccer players with hip joint range of motion restriction

Hip range of motion (ROM) restriction is commonly observed in youth soccer players. This study aimed to investigate the effects of foam rolling training (FRT) and static stretching training (SST) on youth soccer players who have restricted hip ROM. The study included 34 youth soccer players with hip ROM restrictions, who were divided into two groups: FRT (n = 17, 15.9 ± 1.3 years) and SST (n = 17, 15.9 ± 1.7 years). Both groups were diagnosed with hip ROM restriction and enrolled in the study, then performed foam rolling and static stretching programs three times a week for six weeks. The Copenhagen Hip and Groin Outcome Score (HAGOS), and hip ROM, Lower Quarter Y-Balance Test (YBT-LQ), and isokinetic hip strength test were measured before and after intervention. The results showed that both FRT and SST were effective in improving hip function, as measured by HAGOS, and in increasing hip ROM, particularly flexion, abduction and internal rotation (p < 0.05). External rotation was significantly increased only in the SST group (p < 0.05). Both FRT and SST also improved YBT-LQ (p < 0.05). However, the SST group showed higher reach distances than the FRT group in all directions after training (p < 0.05). Both groups improved isokinetic hip strength in flexion and abduction movements, but when compared between groups, the FRT group showed greater improvement in peak torque (p < 0.05). In conclusion, FRT was more effective in reducing symptoms and pain and improving muscle strength, while SST improved hip mobility and dynamic balance more broadly. These results suggest that including both foam rolling and static stretching in a training program to optimize hip ROM and function in youth soccer players may be effective.

Football; Mobility; Restriction; Foam rolling; Static stretching; Dynamic balance; Strength; Adolescents

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