Department of Nutrition, Food, and Exercise Sciences, The Florida State University, Tallahassee, Florida, USA.
J Strength Cond Res. 2012 Feb;26(2):335-41. doi: 10.1519/JSC.0b013e318225bbae.
The purpose of this study was to examine the effects of dynamic stretching on running energy cost and endurance performance in trained male runners. Fourteen male runners performed both a 30-minute preload run at 65% VO2max and a 30-minute time trial to assess running energy cost and performance, respectively. The subjects repeated both the trials after either 15 minutes of dynamic stretching (i.e., experimental condition) or quiet sitting (i.e., control condition) while the order was balanced between the subjects to avoid any order effect. The total calories expended were determined for the 30-minute preload run, whereas the distance covered was measured in the time trial. Average resting VO2 increased significantly (p < 0.05) after dynamic stretching (prestretch: 6.2 ± 1.7 vs. poststretch: 8.4 ± 2.1 ml·kg(-1)·min(-1)) but not during the quiet-sitting condition. Caloric expenditure was significantly higher during the 30-minute preload run for the stretching (416.3 ± 44.9 kcal) compared with that during the quiet sitting (399.3 ± 50.4 kcal) (p < 0.05). There was no difference in the distance covered after quiet sitting (6.3 ± 1.1 km) compared with that for the stretching condition (6.1 ± 1.3 km). These findings suggest that dynamic stretching does not affect running endurance performance in trained male runners.
本研究旨在探讨动态拉伸对训练有素的男性跑步者的跑步能量消耗和耐力表现的影响。14 名男性跑步者分别进行了 30 分钟的 65% VO2max 预负荷跑和 30 分钟的计时跑，以分别评估跑步能量消耗和表现。在 15 分钟的动态拉伸（即实验条件）或安静坐姿（即对照条件）后，受试者重复进行了这两项测试，以平衡受试者之间的顺序，避免任何顺序效应。30 分钟预负荷跑的总卡路里消耗是通过测定得出的，而计时跑的距离则是通过测量得出的。平均静息 VO2 在动态拉伸后显著增加（p < 0.05）（预拉伸：6.2 ± 1.7 vs. 拉伸后：8.4 ± 2.1 ml·kg(-1)·min(-1)），但在安静坐姿条件下没有增加。在拉伸（416.3 ± 44.9 kcal）时，30 分钟预负荷跑的能量消耗明显高于安静坐姿（399.3 ± 50.4 kcal）（p < 0.05）。在安静坐姿（6.3 ± 1.1 km）后，与拉伸条件（6.1 ± 1.3 km）相比，跑步距离没有差异。这些发现表明，动态拉伸不会影响训练有素的男性跑步者的跑步耐力表现。
