基础词条
肌节
Sarcomere
肌原纤维中重复的基本收缩单位。
相关课程
20 · 骨骼、关节与肌肉如何共同完成运动
运动产生于骨、关节、肌肉和神经的协作。一次举杯既涉及分子层面的收缩，也涉及力矩、稳定和感觉反馈；肌肉变短只是其中一种情况。
资料来源
- OpenStax: bone structure
- OpenStax: synovial joints
- OpenStax: muscle fiber contraction and relaxation
- OpenStax: nervous system control of muscle tension
- OpenStax: interactions of skeletal muscles their fascicle arrangement and their lever systems
- OpenStax: bone formation and development
词条解释选自已发布课程。具体机制、适用条件及例子请结合课程阅读。