This study investigated the return to baseline of movement velocity and maximal strength following a strength-orientated and power-orientated session in the free-weight back squat performed with maximal concentric velocity. Fourteen strength-trained males completed a strength-orientated session (5-sets of 5-repetitions @80% of a one-repetition maximum [1RM]) and a power-orientated session (3-sets of 6-repetitions @50%1RM) in a randomised order over two weeks (e.g. strength week-1, power week-2). The back-squat was then performed with loads of 20%, 40%, 60%, 80%, 90% and 100%1RM at 24, 48, 72 and 96hours following the strength and power exercise sessions to assess return to baseline of squat velocity and maximal strength. Dependent variables included 1RM, back squat mean velocity (MV) and peak velocity (PV), and countermovement jump peak velocity (CMJ-PV). Meaningful changes ([ES] ≥-0.60) were reported for MV and PV at loads ≥ 60%1RM at 24 and 48-hours after the strength-orientated session. Trivial to small (ES ≤-0.59) differences were reported for squat velocities following the power-orientated session. Only trivial to small ES differences were observed for CMJ-PV, and 1RM at all time points following both sessions. Squat velocity (MV and PV) across the load velocity profile (LVP) had recovered at 72 hours following the strength-orientated session. However, the return to baseline of squat velocity (MV and PV) did not coincide with the return to baseline of 1RM or CMJ-PV. Therefore, measuring and monitoring meaningful changes in velocity may be a more valid and practical alternative in determining full recovery and readiness to train.
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