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Ket [755]
3 years ago
12

Which type of motor units are activated for the longest time during low to moderate level exercise?

Biology
1 answer:
Furkat [3]3 years ago
7 0
Motor unit refers to the functional element of muscle contraction during an exertion. There are two basic types of motor unit: large and small motor units. During low to moderate level exercise, small motor units are activated. Small motor units are recruited during sustained activity; is made up of high proportion of type 1 muscle fibers, which are resistant to fatigue 
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