Explain how force generation by human skeletal muscle can be increased to pick up increasingly heavy...

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Medical Sciences

Explain how force generation by human skeletal muscle can beincreased to pick up increasingly heavy loads. In your answer,include the terms summation and motorunit.

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Answer The skeletal muscle is one of three major muscle type the other being cardiac muscle and smooth muscle A skeletal muscle refers to multiple bundles of cells joined together called muscle fibers The fibers and muscles are surrounded by connective tissue layers called fasciae Enclosing each muscle is layer of connective tissue known as the epimysiumenclosing each fascicle is a layer called the perimysium and enclosing each uscle fibre is a layer of connective tissue called the endomysium To move an objectrefferd to as load the sarcomeres in the muscle fibers of the skeletal muscle must shortenThe force generated by the contraction of the muscle or shortening of the sarcomeres is called muscle tension Muscle tension also is generated when the muscle is contracting against load that does not move resulting in two main types of skeletal muscle contraction Isotonic contraction Where the tension in the muscle stays constant a load is moved as the length See Answer

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