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mariaj mariaj
wrote...
14 years ago
Explain why it will take you longer to perform 10 repetitions lifting a 20-pound weight than it would to perform the same number of repetitions with a 5-pound weight.
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#1
Staff Member
14 years ago
Our bodies were designed with speed in mind. Nearly all of our muscles are at a mechanical disadvantage. Meaning, we sacrifice force for speed. Any increase in resistance to contraction is multiplied because of this set up.
- Master of Science in Biology
- Bachelor of Science
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#2
Educator
14 years ago
The velocity possible in lifting a 20-pound weight is much less than that of lifting a 5-pound weight.
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