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- W2955266998 abstract "PURPOSE: to evaluate whether a heavy back squat protocol combining free weight plus elastic band (CR) could promote a post-activation potentiation (PAP) during a countermovement jump (CMJ) test and to determine the optimal recovery time to elicit it. METHODS: : Nine male elite Brazilian handball athletes [21.4 ± 2.1 years; 90.3 ± 10 kg; 187.5 ± 5 cm; 10.5 ± 4.2 body fat; 9.7 ± 1.8 years of training experience; 1.81 ± 0.23 of Relative 1RM back squat (kg.kg-1); 15 hours of weekly training volume] were recruited into the study. The experimental sessions were performed seven days apart in a counterbalanced order. The athletes were required to complete either a CR protocol or a control protocol (CMJs only). Athletes completed a standardized warm-up consisting of 5 min of light-intensity cycling, static stretching exercises, and three consecutive CMJs. After a 3 min rest period, athletes performed baseline CMJs test. The CR protocol was consisted of three sets of 5 repetitions at 85% of 1RM with 3 minutes of rest between sets. Back squat was loaded with 85% of 1RM combining 55% of 1RM using weight-plate and 29.7± 2.04% of the athlete’s 1RM in fully erect position (starting position) with elastic band resistance. During control session, the same warm-up routine was included so that the only difference between the PAP and control protocol was the absence of a potentiating stimulus. RESULTS: One-way repeated measures ANOVA indicated a significant effect of time in CMJ performance within CR condition (p<0.01, n2p = 0.39). The vertical jump height was significantly greater (6.5%, ES = 0.85) at 2-min as compared to baseline. No significant differences in jump height were detected when compared with baseline at 4-, 6-, and 8-minute recovery. Two-way repeated-measures ANOVA revealed an interaction effect (p<0.05, n2p = 0.40) in PAP response. At 2-min, PAP response was significantly larger (4.9%, ES=1.38) in CR condition than control (p<0.05). CONCLUSIONS: The combination of free weight and elastic bands during heavy squat exercise seems to be effective to create a post-activation potentiation effect to enhance acute neuromuscular performance at 2-min after preconditioning stimulus." @default.
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- W2955266998 date "2019-06-01" @default.
- W2955266998 modified "2023-10-18" @default.
- W2955266998 title "Acute Effects Of Elastic Resistance Band On Post-activation Potentiation In Elite Handball Athletes" @default.
- W2955266998 doi "https://doi.org/10.1249/01.mss.0000560619.53476.01" @default.
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