相关实验视频
Updated: Jul 24, 2025

08:29
In vivo Measurement of Knee Extensor Muscle Function in Mice
Published on: March 4, 2021
4.7K
泡滚动与静态或动态拉伸相结合在膝盖延伸器的功能和结构之间的比较
Kazuki Kasahara1, Andreas Konrad2, Riku Yoshida1
1Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan.
Biology of sport
|July 3, 2023
概括
静态拉伸 (SS) 和动态拉伸 (DS) 与泡滚动 (FR) 结合,可以提高灵活性,减少组织度,而不会对肌肉力量或跳跃性能产生负面影响. SS + FR组合在运动范围和组织硬度方面显示出最大的好处.
科学领域:
- 体育科学 运动科学 运动科学
- 运动生理学 运动生理学
- 康复 康复 康复 康复
背景情况:
- 静态拉伸 (SS) 和动态拉伸 (DS) 是常见的热身方法.
- 泡滚动 (FR) 越来越多地用于增强灵活性和恢复.
- 对于SS/DS与FR对性能的结合和依赖顺序的影响尚不清楚.
研究的目的:
- 为了比较不同干预命令 (SS + FR,DS + FR,FR + SS,FR + DS) 对膝盖延伸器功能的影响.
- 评估对灵活性,肌肉力量和跳跃性能的影响.
主要方法:
- 一个交叉随机设计与17名男性大学生.
- 测量包括膝盖曲运动范围 (ROM),组织硬度和最大自愿收缩 (MVC).
- 单腿反运动跳跃 (CMJ) 的高度也被评估.
主要成果:
- 所有干预措施都显著增加了膝盖曲ROM,并降低了组织硬度 (p < 0.01).
- 在所有条件下,没有观察到MVC或CMJ高度的显著变化.
- SS + FR组合表明ROM的最大改善和组织度的减少.
结论:
- 将SS或DS与FR结合起来,可以有效地提高灵活性并减少组织硬度.
- 这些联合干预措施不会影响肌肉力量或跳跃性能.
- 在增强ROM和减少组织度方面,SS + FR序列似乎是最有效的.
更多相关视频
07:30Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
Published on: May 1, 2018
15.4K
12:59Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
Published on: July 5, 2017
12.7K
相关概念视频
Relaxation of Skeletal Muscles
3.4K
The period of muscle contraction primarily influences the duration of stimulation at the neuromuscular junction (NMJ), the presence of free calcium ions in the sarcoplasm, and the availability of energy or ATP to support contractions.
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated sodium channels. Sodium ions enter the cell, further depolarizing the presynaptic membrane. This depolarization causes voltage-gated calcium channels to open....
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated sodium channels. Sodium ions enter the cell, further depolarizing the presynaptic membrane. This depolarization causes voltage-gated calcium channels to open....
3.4K
Muscle Stimulation Frequency
2.3K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.3K