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Isotonic ContractionForm of muscle contraction in which the muscles shorten and thicken as they contract.Solomon, E. P. (1992). Introduction to human anatomy and physiology. Philadelphia: Saunders.
Muscle cells are the tissues that shorten and exert force. This is achieved through the sliding of actin and myosin filaments within the muscle fibers, causing them to contract and generate tension. This contraction allows muscles to exert force to produce movement or maintain posture.
If the muscle can not shorten because the muscle is trying to move a load that is greater than the force, then the contraction is isometric.
Contractility - the ability of a muscle to shorten. Extensibility - the ability to lengthen. Elasticity - the ability to return to their original shape. And, Excitability - can be triggered by electrical stimulation.
The muscle trait that refers to the ability to shorten and produce movement when stimulated is called "contractility." This characteristic allows muscle fibers to contract in response to neural stimulation, generating force and enabling movement of body parts. Contractility is essential for all types of muscle movements, including voluntary actions like walking and involuntary actions like heartbeat.
Muscle tissue is the only tissue in the body that is able to contract and shorten. This ability allows muscles to generate force and movement in the body.
Stretchability does not belong to the functions of muscle tissue. While muscle tissue is stretchable to a certain extent, its primary function is not related to stretching or elongating. The main functions of muscle tissue are the ability to shorten or contract (known as contractility) and to pull on bones (known as pulling or moving bones).
The distance a muscle can shorten
An eccentric contraction is one that causes a muscle to lengthen.
Skeletal muscle tissue is made of many fibers, which have many sarcomeres with overlapping actin and myosin protein strands. When muscles contract their proteins overlap eachother and shorten the fiber, which then increases height but shortens in length of each fiber.
Excitability = the ability to receive and respond to a stimulus Contractility = the ability to shorten Extensibility = the ability to be stretched Elasticity = the ability to resume normal length after contraction or having been stretched.
Muscle tissue is the type of tissue that can contract or shorten. It is composed of cells that have the ability to generate force through the interaction of proteins within the cells. This contraction allows for movement in the body, such as voluntary movements of skeletal muscles or involuntary movements of smooth muscles.