8. Assuming two skeletal muscle fibers have the same myosin ATPase activity, and both are producing an equal force, but one fiber is longer than the other one. Which of the following best describes their shortening velocities? I A. Long fiber has a higher velocity during isotonic contraction than the short one B. Long fiber has a higher velocity during isometric contraction than the short one C. Long fiber has a lower velocity during isotonic contraction than the short one D. Long fiber has a lower velocity during isometric contraction than the short one E. Both fibers have the same velocity during isotonic contraction F. Both fibers have the same velocity during isometric contraction
8. Assuming two skeletal muscle fibers have the same myosin ATPase activity, and both are producing an equal force, but one fiber is longer than the other one. Which of the following best describes their shortening velocities? I A. Long fiber has a higher velocity during isotonic contraction than the short one B. Long fiber has a higher velocity during isometric contraction than the short one C. Long fiber has a lower velocity during isotonic contraction than the short one D. Long fiber has a lower velocity during isometric contraction than the short one E. Both fibers have the same velocity during isotonic contraction F. Both fibers have the same velocity during isometric contraction
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter11: The Muscular System
Section: Chapter Questions
Problem 7RQ: Which arrangement best describes a bipennate muscle? The muscle fibers feed in on an angle to a long...
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