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Which fibers in the skeletal muscle are stimulated only by the degree of stretch?
Muscle spindles are the fibers in skeletal muscles that are stimulated by the degree of stretch. These specialized sensory organs detect changes in muscle length and contribute to the stretch reflex, helping to maintain posture and control muscle contraction.
What are muscles?
Muscles are tissues composed of fibers, the contraction of which produces movement in the body.
What fibers stretch across a cell during mitosisis?
spindle fibers
How is ATP utilized in muscle contraction?
ATP is used in muscle contraction to provide energy for the movement of muscle fibers. When a muscle contracts, ATP is broken down into ADP and phosphate, releasing energy that powers the movement of the muscle fibers. This energy is essential for the contraction and relaxation of muscles during physical activity.
What is the function of elastic fibers in the trachea?
Longitudinal elastic fibers enable the trachea to stretch and descend with the roots of the lungs during inspiration.
WHY IS BOUNCING DURING A STRETCH IS NOT RECOMMENDED?
Bouncing can tear muscle fibers
What are contractile fibers?
Contractile fibers are specialized muscle fibers responsible for the contraction and movement of muscles. They contain proteins like actin and myosin, which interact to produce force during muscle contraction. These fibers are found in various types of muscle tissue, including skeletal, cardiac, and smooth muscle, each serving distinct functions in the body. Their ability to contract and relax is essential for various bodily movements and functions.
What it the name of the long cells that can stretch and contract in the body?
The name of the long cells that can stretch and contract in the body are called muscle fibers. These fibers make up our muscles and are responsible for movement and generating force in the body.
What happens when thin filaments in a muscles fiber slide over the thick filament?
Contraction or relaxation of muscle fibre, due to similar effect in sarcomere
What are two fibers that cause contraction?
Actin and myosin are two fibers that cause contraction.
Name given to contracting units of muscle fibers?
The name given to contracting units of muscle fibers is sarcomeres. Sarcomeres are the basic functional units of skeletal muscles and they contain overlapping thick and thin filaments that slide past each other during muscle contraction.
What is the difference between fast twitch and slow twitch muscles?
Fast-twitch fibers can deliver a quick burst of power.Slow-twitch fibers can maintain a contraction for a longer time! -Apex :]
