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首页> 外文期刊>Journal of strength and conditioning research >Effects of official Taekwondo competitions on all-out performances of elite athletes.
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Effects of official Taekwondo competitions on all-out performances of elite athletes.

机译：官方跆拳道比赛对优秀运动员全面表现的影响。

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摘要

This study investigated physiological and performance aspects of 15 (4 women and 11 men) elite Taekwondo athletes (24.0 +/- 5.7 years) during their National Championship. The load of the competition was evaluated by means of heart rate (HR) and blood lactate (La). Pre and postmatch countermovement jump (CMJ), and handgrip performances were compared (p < 0.05). The match imposed a high load (HR > 85% of individual HRmax = 92 +/- 12%; La = 6.7 +/- 2.5 mmol.L(1)) on athletes. After the match, better (p < 0.0001) CMJ (men: 43.9 +/- 5.2 cm; women: 30.8 +/- 2.3 cm) and worst (p = 0.006) handgrip performances (men: 459 +/- 87 N; women: 337 +/- 70 N) were found with respect to prematch ones (CMJ: men = 40.8 +/- 4.9 cm, women = 28.2 +/- 2.5 cm; handgrip: men = 486 +/- 88 N, women: 337 +/- 70 N). Results indicate that the intermittent activity of the Taekwondo competition elicits a high neuromuscular activation of the lower limbs. Instead, the decreases in grip strength could be because of the repeated concussions on the upper limbs used to protect from the opponent's kicks and punches directed toward the scoring area of the torso. Practically, these results urge coaches to structure training sessions that enable athletes to maintain their upper limb strength during their match.
机译：这项研究调查了15名（4名女性和11名男性）跆拳道精英运动员（24.0 +/- 5.7岁）在其全国冠军赛期间的生理和表现方面。比赛的负荷通过心率（HR）和血液乳酸（La）进行评估。比较了赛前和赛后的反跳（CMJ）和抓地力表现（p <0.05）。比赛给运动员施加了高负荷（HR>个人HRmax的85％= 92 +/- 12％; La = 6.7 +/- 2.5 mmol.L（1））。比赛结束后，CMJ（男：43.9 +/- 5.2厘米;女：30.8 +/- 2.3厘米）更好（p <0.0001）;手握性能最差（p：0.006）（男：459 +/- 87 N;女：337 +/- 70 N）被发现与赛前比赛有关（CMJ：男性= 40.8 +/- 4.9厘米，女性= 28.2 +/- 2.5厘米;握把：男性= 486 +/- 88 N，女性：337 +/- 70 N）。结果表明，跆拳道比赛的间歇性活动引起下肢的高度神经肌肉激活。取而代之的是，抓地力的下降可能是由于上肢反复受到脑震荡所致，以防止对手的踢打和猛击指向躯干的得分区域。实际上，这些结果敦促教练安排训练课程，使运动员在比赛中保持上肢力量。

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