Q:

The term ‘size principle’ refers to the fact that

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The term ‘size principle’ refers to the fact that:


  1. chronically denervated skeletal muscle decreases in size due to reduced release of growth factors from motor neurons
  2. neurons in small motor units conduct slowly
  3. small motor units are recruited for more forceful contractions
  4. large, fast motor units are recruited after small, slow motor units

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D. large, fast motor units are recruited after small, slow motor units

 

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