The study aimed to compare the effects of foam roller (FR) and vibration foam roller (VFR) on blood flow parameters, measured by Doppler ultrasonography in professional soccer players. A randomized crossover design was used, and 10 professional soccer players participated in 3 experimental sessions: FR, VFR, and a control condition (CC). The maximum velocity (MVel) and maximum volume (MVol) blood flow parameters were measured in the common femoral artery of the dominant leg at 5 different time points as follows: before (pre), immediately after (post 0'), 10 (post 10'), 20 (post 20'), and 30 minutes (post 30') after the intervention. Both FR and VFR involved two 45-second sets with 15-second rest between sets in the quadriceps and hamstring, while CC required sitting for 240 seconds. The FR condition showed a significant increase in MVel (p < 0.01) at all time points after the intervention, and an increase in MVol (p < 0.05) only at post 0' compared with pre. The VFR condition showed a significant (p < 0.05) increase in MVel at post 0' and post 10' and an increase (p < 0.05) in MVol at post 0' compared with pre. In comparison with CC, the FR and VFR conditions presented significantly (p < 0.05) higher MVel values at post 0', post 10', post 20', and post 30' than CC. For both FR and VFR conditions, the MVol not only revealed a significant (p < 0.05) increase at post 0' but also at post 10' for VFR compared with CC. In summary, the FR and VFR interventions demonstrated a similar increase in blood flow parameters, suggesting that both strategies may accelerate physiological recovery in elite soccer players.
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