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How do muscles allow us to change position in a split second? Learn about the miracle of skeletal muscle!
The human motor system is an integrated system that allows us to have the ability to move flexibly This set of systems is made up of muscle and skeletal tissue that can provide the body with shape, support, stability and function of movement in milliseconds Prompting the body to move? The answer to this question involves the complex workings of muscles, bones and their interrelated relationships.
The reason why muscle tissue drives the body in an instant depends mainly on the signal transmission of the nervous system and the contraction ability of muscle fibers
Human muscle tissue is divided into three categories: cardiac muscle, skeletal muscle, and smooth muscle. Only skeletal muscle is directly associated with the motor system, which is connected to the bone and has both strength and flexibility Quickly change positions in space and adapt to different movement demands.
Support of the skeletal system
The skeletal system is the main structure that supports the body, it not only provides us with shape, but also protects the internal organs such as the brain and the heart.
Bone is not only the basic structure of the human body, it also undertakes the function of storing minerals and producing blood
Contraction of muscles and the role of the nervous system
When the muscles contract to drive the bones to move, the function of the nervous system is crucial. Nerve signals are transmitted from the CNS to the muscles, triggering the contraction of muscle fibers conductors, which bind to receptors in muscle fibers and initiate action potentials, which in turn prompt muscle contractions.
Tenons and their role in exercise
Tendons are connective tissues that connect muscles to bones, and they are able to effectively transmit the force generated by muscle contraction, which in turn drives the movement of the bones, because the movement it causes is the body's adaptation to the external environment The key to success.
Interaction of joints, ligaments and bursa
Joints are structures that connect canine bones and are divided into different types to allow varying degrees of movement. The function of these joints is jointly maintained by ligaments and bursa, which connect the bones and restrict movement in certain directions to prevent excessive movement or sprains of the joint, while the bursa reduces friction during exercise.
Fluency of movement not only relies on the coordination of bones and muscles, but also the health and integrity of ligaments and bursa are indispensable
Clinical importance
Although the human motor system provides a wide range of functions, various diseases or impairments still threaten its overall effectiveness such as common osteoarthritis, fractures and muscle atrophy, which can lead to reduced mobility Physical therapy or surgery to perform treatment and restore the patient’s ability to live daily life.
In fact, diseases of the muscular and skeletal systems are closely related to the health of other systems, and some diseases from the nervous system can also affect the motor system and even lead to comprehensive physical deterioration. This phenomenon emphasizes the importance of systemic health management throughout the body .
After learning all this, are you amazed at how the human body can accomplish subtle movements in an instant? If exercise can be so fast and effective, how can we make the most of this to promote our own health and flexibility?
