Considering the Length-Tension Relationship of skeletal muscle fibers, over stretching a muscle fiber or not stretching a muscle fiber enough, results ina decrease in force developed (during contraction) because: A. An "over-stretched" muscle fiber or an “under-stretched" muscle fiber will not allow Calcium, from the sarcoplasmic reticulum, to adequately diffuse into the cytoplasm. B. An "over-stretched" muscle fiber or an “under-stretched" muscle fiber will not allow an optimum amount of contact and overlap for the contractile proteins. C. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow the Action Potential to reach the troponin-activation channels. D. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow the Sodium current to depolarize the membrane.

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
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Considering the Length-Tension Relationship of skeletal muscle fibers, over stretching a
muscle fiber or not stretching a muscle fiber enough, results ina decrease in force developed
(during contraction) because:
27.
A. An "over-stretched" muscle fiber or an “under-stretched" muscle fiber will not allow
Calcium, from the sarcoplasmic reticulum, to adequately diffuse into the cytoplasm.
B. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow an
optimum amount of contact and overlap for the contractile proteins.
C. An "over-stretched" muscle fiber or an“under-stretched" muscle fiber will not allow the
Action Potential to reach the troponin-activation channels.
D. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow the
Sodium current to depolarize the membrane.
Teurons to
Transcribed Image Text:Considering the Length-Tension Relationship of skeletal muscle fibers, over stretching a muscle fiber or not stretching a muscle fiber enough, results ina decrease in force developed (during contraction) because: 27. A. An "over-stretched" muscle fiber or an “under-stretched" muscle fiber will not allow Calcium, from the sarcoplasmic reticulum, to adequately diffuse into the cytoplasm. B. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow an optimum amount of contact and overlap for the contractile proteins. C. An "over-stretched" muscle fiber or an“under-stretched" muscle fiber will not allow the Action Potential to reach the troponin-activation channels. D. An "over-stretched" muscle fiber or an "under-stretched" muscle fiber will not allow the Sodium current to depolarize the membrane. Teurons to
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