主办单位:成都体育学院
ISSN 1001-9154 CN 51-1097/G8

成都体育学院学报 ›› 2022, Vol. 48 ›› Issue (2): 123-130.doi: 10.15942/j.jcsu.2022.02.020

• 博士研究生专栏 • 上一篇    下一篇

低强度卧推加压训练对肌肉激活程度和主观疲劳度的影响

车同同1,3, 李志远2, 赵之光3, 魏文哲3, 孙科3, 陈冲3   

  1. 1.首都体育学院,北京 100191;
    2.浙江大学公共体育与艺术部,浙江 杭州 310058;
    3.北京市体育科学研究所,北京 100075
  • 收稿日期:2021-01-10 修回日期:2021-11-10 出版日期:2022-03-15 发布日期:2022-04-07
  • 通讯作者: 赵之光,硕士,副研究员,研究方向:运动训练与营养。E-mail:13810499489@163.com。
  • 作者简介:车同同,博士研究生,研究方向:身体运动功能训练。E-mail:chetongtong2018@cupes.edu.cn。

Effect of Low-intensity Bench Press KAATSU Training on Degree of Muscle Activation and Rating of Perceived Exertion

CHE Tongtong1,3, LI Zhiyuan2, ZHAO Zhiguang3, WEI Wenzhe3, SUN Ke3, CHEN Chong3   

  1. 1. Capital University of Physical Education and Sport,Beijing 100191;
    2. School of Physical Education and Sport Science,Fujian Normal University,Fuzhou Fujian 350108;
    3. Beijing Research Institute of Sports Science,Beijing 100075
  • Received:2021-01-10 Revised:2021-11-10 Online:2022-03-15 Published:2022-04-07

摘要: 目的:研究低强度卧推加压训练对上臂和胸大肌肌肉激活程度和主观疲劳度的急性影响。方法:募集10名篮球大学生运动员,在加压和不加压的条件下,进行4组卧推练习,第1组重复30次,其余均为15次,负荷重量为30% 1 RM。采用专用加压训练设备,将加压捆绑定在上臂近端,捆绑压30 mmHg,充气压160 mmHg。在加压训练方案实施前后进行4次测试,整个练习过程中,采集右侧肱二头肌、肱三头肌、三角肌前束和胸大肌表面肌电信号指标,并计算每次练习时的平均均方根振幅值(Root mean square, RMS)和中值频率值(Median frequency,MF)。同时,在各组加压训练完成后,进行主观疲劳度测试。结果:(1)训练方案实施后,加压组上肢围度增长率显著大于非加压组(P<0.01);(2)加压组肱三头肌和胸大肌在最大自主收缩时的RMS值显著大于非加压组(P<0.05);(3)肱三头肌、三角肌前束和胸大肌的表面肌电RMS值在训练方案实施后和除压后均显著大于非加压组(P<0.05);(4)肱二头肌和肱三头肌在第2、3、4组,三角肌前束在第4组,胸大肌在第3、4组训练过程中的RMS值显著大于非加压组(P<0.05);(5)4组练习和除压后的主观疲劳度均显著大于非加压组(P<0.05)。结论:低强度卧推加压训练可以显著提高原动肌肱三头肌、三角肌前束和胸大肌激活程度,训练过程中肌电活动的增强是通过四肢肌肉和躯干肌肉协同作用来实现的。低强度卧推加压训练较无加压时主观疲劳感更强,且上臂围度增大显著。

关键词: 卧推加压训练, 血流限制, 肌肉激活程度, 主观疲劳度, 即时性效果, 运动生理

Abstract: Objective: To study the acute effects of low-intensity bench press KAATSU training on the degree of muscle activation of upper limb and pectoralis major muscle, and the rating of perceived exertion. Methods: Ten college basketball players were recruited to practice bench press in four groups under KAATSU and non-KAATSU. The first group repeated 30 times and the rest 15 times. The load weight was 30%1 RM. Special KAATSU training equipment was used to fix the pressurized belt at the proximal end of upper limb, the binding pressure was set at 30 mmHg, and the pneumatic pressure was set at 160 mmHg. Four tests were conducted before and after the implementation of the KAATSU training programme. During the process, the surface EMG signals of right biceps, triceps, anterior deltoid and pectoralis major were collected and the RMS and MF values were calculated. Meanwhile, rating of perceived exertion was tested after KAATSU training in each group. Results: (1) After the implementation of the training programme, the growth rate of upper limb circumference in the pressurized group was significantly higher than that in the non-KAATSU group (P<0.01); (2) The RMS of maximal autonomic contraction of triceps brachii and pectoralis major in the KAATSU group was significantly higher than that in the non-KAATSU group (P<0.05); (3) the RMS values of triceps brachii, anterior deltoid muscle and pectoralis major in the KAATSU group were significantly higher than that in the non-KAATSU group after the training and after the decompression (P<0.05); (4) the RMS values of biceps brachii and triceps brachii in the second to fourth group, anterior deltoid muscle in the fourth group, and pectoralis major in the third and fourth groups were significantly higher than those in the non-KAATSU group (P<0.05); (5) the rating of perceived exertion after exercise and decompression in the four groups was significantly higher than that in the non-KAATSU group (P<0.05). Conclusion: Low-intensity KAATSU bench press training can significantly improve the activation degree of triceps brachii, deltoid anterior bundle and pectoralis major, and the EMG activity during training is enhanced through the synergistic action of limb muscles and trunk muscles. The rating of perceived exertion in low-intensity bench press KAATSU training is more intense and the upper limb circumference increases significantly in low-intensity bench press KAATSU training.

Key words: bench press KAATSRU training, blood flow restriction, degree of muscle activation, rating of perceived exertion, cute effect, exercise physiology

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