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What muscle fiber produces the greatest contractile force?
Leg.
What three fibers types produces the greatest contractile force?
Type IIx, Type IIa, and Type I fibers are typically known to produce the greatest contractile force among muscle fibers. Type IIx fibers are fast-twitch fibers that generate high force but fatigue quickly, while Type IIa fibers are also fast-twitch but have more endurance. Type I fibers, on the other hand, are slow-twitch fibers with lower force production but high resistance to fatigue.
What is the definition of maximal stimulus?
The maximal stimulus is the strongest stimulus that produces increased muscle contractile force.
Name four factors that influence contractile force and two that influence velocity and duration of contraction?
The four factors that influence contractile force are the number of muscle fibers stimulated, the relative size of the fibers, the frequency of stimulation and the degree of muscle stretch. Factors that influence the velocity and duration of contraction are the muscle fiber type, load and recruitment.
What cytoskeletal interacts with myosin to produce contracile force?
Actin is the cytoskeletal protein that interacts with myosin to produce contractile force in muscle cells. This interaction is responsible for muscle contraction and movement.
What protein of the human body forms the contractile thin filaments of muscle cells?
Actin is the protein that forms the contractile thin filaments of muscle cells in the human body. It plays a key role in muscle contraction by interacting with myosin to generate the force required for muscle movement.
Animal tissue predominantly of contractile cells?
Muscle tissue is predominantly composed of contractile cells that allow for movement and force generation in the body. There are three types of muscle tissue: skeletal muscle, smooth muscle, and cardiac muscle, each with specific functions and characteristics. Muscle tissue is responsible for functions such as body movements, maintenance of posture, and generation of heat.
The contractile units of skeletal muscles are?
The contractile units of skeletal muscles are called sarcomeres. Sarcomeres consist of actin and myosin filaments that slide past each other during muscle contraction, causing the muscle to shorten and generate force.
Smallest contractile unit individual muscle fibers?
The smallest contractile unit of individual muscle fibers is called a sarcomere. Sarcomeres are made up of overlapping thick and thin filaments that slide past each other during muscle contraction, generating the force necessary for movement.
What is the contractile cell?
Contractile cells are the smooth muscle cells of the heart that... contract. They get their signal from the nodes within the heart, which spontaneously fire action potentials (because of leak channels).
What muscle produces the least force due to length?
pectineus
What is the heavy chain contractile element found within the sarcomere?
The heavy chain contractile element within the sarcomere is myosin. Myosin is a motor protein that interacts with actin to generate the force and movement in muscle contraction.
