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Using your biceps brachii, you raise up an empty water glass. A waiter comes over and begins to fill it. Using your biceps brachii, you hold the glass still until it's
filled with water. Choose the correct statements.
This is an example of isotonic concentric contraction. And as water pours into the glass, different motor units alternate, but there is no change in the total
number of active motor units at any point in time.
This is an example of isotonic concentric contraction. And as water pours into the glass, motor unit recruitment increases.
This is an example of isometric contraction. And as water pours into the glass, motor unit recruitment increases.
This is an example of isotonic eccentric contraction. And as water pours into the glass, different motor units alternate, but there is no change in the total
number of active motor units at any point in time.
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