Department of Orthopaedic Surgery, Graduate School of Medicine, Hirosaki University, Aomori, Japan.
J Athl Train. 2019 Sep;54(9):959-969. doi: 10.4085/1062-6050-113-17. Epub 2019 Aug 6.
Comprehensive injury-prevention training (plyometric, agility, balance, and core-stability exercises) has been shown to decrease sport-related injury. The relationship between trunk control and sport-related injury has been emphasized; however, the isolated effects of core-muscle training are unclear.
To investigate the effect of a simple 8-week core-muscle-training program on the neuromuscular control of the lower limb and trunk during jump landing and single-legged squatting.
Controlled laboratory study.
Laboratory.
Seventeen female collegiate basketball players were randomly divided into training (n = 9; age = 19.7 ± 0.9 years) and control (n = 8; age = 20.3 ± 2.5 years) groups.
INTERVENTION(S): The training group completed the core-muscle-training program in addition to daily practice, and the control group performed only daily practice. Kinematic and kinetic data during a drop-jump test and single-legged squat were acquired using a 3-dimensional motion-analysis system.
MAIN OUTCOME MEASURE(S): Three-dimensional hip, knee, and trunk kinematics; knee kinetics; and isokinetic muscle strength were measured at the pretraining and posttraining phases.
For the drop-jump test, the maximal trunk-flexion angle increased ( = .008), and peak knee-valgus moment ( = .008) decreased in the training group. For the single-legged squat, the peak trunk-flexion angle increased ( = .04), and the total amount of trunk lateral-inclination angle ( = .02) and peak knee-valgus moment ( = .008) decreased in the training group. We observed no changes in the control group.
A consecutive 8-week core-muscle-training program improved lower limb and trunk biomechanics. These altered biomechanical patterns could be favorable to preventing sport-related injuries.
综合损伤预防训练（增强式、敏捷性、平衡和核心稳定性训练）已被证明可降低与运动相关的损伤。人们强调了躯干控制与与运动相关损伤之间的关系；然而，核心肌群训练的单独效果尚不清楚。
研究一个简单的 8 周核心肌群训练计划对跳跃着地和单腿深蹲时下肢和躯干的神经肌肉控制的影响。
对照实验室研究。
实验室。
17 名女性大学生篮球运动员被随机分为训练组（n = 9；年龄=19.7±0.9 岁）和对照组（n = 8；年龄=20.3±2.5 岁）。
训练组除了日常练习外还完成了核心肌群训练计划，对照组仅进行日常练习。使用三维运动分析系统采集了跳落测试和单腿深蹲时的运动学和动力学数据。
在预训练和后训练阶段测量三维髋关节、膝关节和躯干运动学；膝关节动力学；以及等速肌肉力量。
在跳落测试中，训练组的最大躯干屈曲角度增加（=0.008），峰值膝关节外翻力矩减小（=0.008）。在单腿深蹲中，训练组的峰值躯干屈曲角度增加（=0.04），躯干横向倾斜角度的总幅度（=0.02）和峰值膝关节外翻力矩（=0.008）减小。对照组没有变化。
连续 8 周的核心肌群训练改善了下肢和躯干的生物力学。这些改变的生物力学模式可能有利于预防与运动相关的损伤。
