How was she able to generate more tension

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1. A champion weight lifter picks up a pencil. A minute later she picks up a sixty-pound object using the same muscles and movement.

a. How was she able to generate more tension when picking up the heavier object than she did when picking up the pencil with the same muscles?

b. What are the differences (at the cellular and molecular levels) in her arm muscles as compared to those of a weaker, untrained person?

Reference no: EM132408217

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