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Oliga [24]
3 years ago
8

Avi broke his ankle skiing. At first, he felt a sharp and intense pain. The next day, the sharp pain was gone, but his ankle thr

obbed almost all the time. The sharp, immediate pain was due to ________; the later, throbbing pain was due to ________. Group of answer choices
Social Studies
1 answer:
ivann1987 [24]3 years ago
4 0

Answer:

Fast fibers, Slow fibers

Explanation:

The human skeleton muscles are made up of some fibers that are called myocyte. These myocytes have many microfibrils that contain protein and these microfibers pull on to each other with the protein that leads to shortening the muscles and contraction does occur due to it.  

<u><em>The muscle fibers are divided into two </em></u>

<u>Slow-twitch: </u>These fibers are more consuming energy for generating ATP fuel for continuity and it extends the muscle contraction for a long time.  

<u>Fast-twitch:</u> These muscle fibers are good at generating speed than slow muscles twitches. These can fire more rapidly than slow twitches.  

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