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a) Which muscle(s) of these four is (are) the longest at resting length? b) What is the resting length of muscle 2?

a) Which muscle(s) of these four is (are) the longest at resting length? b) What is the resting length of muscle 2?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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a) Which muscle(s) of these four is (are) the longest at resting length? b) What is the resting length of muscle 2?
Transcribed Image Text:a) Which muscle(s) of these four is (are) the longest at resting length? b) What is the resting length of muscle 2?
The graphs below show the force-versus-shortening-velocity and power-versus- shortening-velocity curves for four muscles in the human lower extremity. Note that these curves show this relationship only for shortening activations (positive shortening velocities), not lengthening activations. And, note that the values displayed on the axes of the graphs are absolute (not normalized) values of force, power, and velocity. These graphs apply to the next three questions. Force vs Shortening Velocity Power vs Shortening Velocity 1,500 400 1,200 300 2 900 200 600 100 300 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 Shortening Velocity (m/s) Shortening Velocity (m/s) muscle 1 muscle 3 muscle 2 muscle 4 Force (N) Power (W)
Transcribed Image Text:The graphs below show the force-versus-shortening-velocity and power-versus- shortening-velocity curves for four muscles in the human lower extremity. Note that these curves show this relationship only for shortening activations (positive shortening velocities), not lengthening activations. And, note that the values displayed on the axes of the graphs are absolute (not normalized) values of force, power, and velocity. These graphs apply to the next three questions. Force vs Shortening Velocity Power vs Shortening Velocity 1,500 400 1,200 300 2 900 200 600 100 300 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 Shortening Velocity (m/s) Shortening Velocity (m/s) muscle 1 muscle 3 muscle 2 muscle 4 Force (N) Power (W)
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