Abstract
Acute exercise is able to changes muscle blood flow rapidly, which may affect muscle tissue repair process during post-exercise recovery. The purpose of this study was to determine the effect of plyometric jumps on postexercise maximal oxygen consumption and hemodynamic response in the quadriceps muscle of female basketball players. Ten women's college basketball players participated in this cross-over study. Participants in respective trials performed both plyometric depth jumps (PDJ) and double-leg tuck jumps (DLTJ) exercise. Each trial was separated with at least one week interval. Maximal oxygen consumption and changes in hemodynamics data of quadriceps were collected before and 4 hours after the jump exercise. We found that the PDJ trial had significantly greater total hemoglobin (PDJ: 27.0 ± 3.5 μM vs. DLTJ: 20.6 ± 2.4 μM), oxygenated hemoglobin (PDJ: 18.0 ± 2.6 μM vs. DLTJ: 13.0 ± 1.6 μM) and deoxygenated hemoglobin (PDJ: 9.1 ± 1.1 μM vs. DLTJ: 7.7 ± 0.8 μM) levels compared to DLTJ trial after 4 hour recovery. Moreover, the maximal oxygen consumption was significantly higher in PDJ trial than DLTJ trial (PDJ: 34.5 ± 1.4 ml/kg/min vs. DLTJ: 32.6 ± 1.5 ml/kg/min). This study concludes that players in PDJ trial showed a greater maximal oxygen consumption than players in DLTJ trial after 4 hour recovery. This improvement might be due to a greater effect of PDJ exercise on enhancing muscle blood flow during post-exercise recovery.
Published Version
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