The difference between picking up a 5-pound weight and picking up a 20-pound weight is the number of motor units stimulating the muscle to contract.

Name: The difference between picking up a 5-pound weight and picking up a 20-pound weight is the number of motor units stimulating the muscle to contract.
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Question

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This statement is true. The force required to lift a heavier weight requires the activation of more motor units in the muscle to generate enough force to overcome the weight.

The Difference Between Picking Up a 5-Pound Weight and Picking