The total force (crossbridge + titin strain) generated in an eccentric actomyosin crossbridge is O 4-6 pN of force at a metabolic cost of 1 ATP O 6 pN of force at a metabolic cost of 1 ATP O 8-12 pN of force at a metabolic cost of 1 ATP O always 4 pN of force at a metabolic cost of 1 ATP O none of the above A subject is instructed to generate a 40% MVC eccentric contraction, as a result fast twitch motor units will O not be active since the force is only 40% MVC O be activated throughout the contraction O only be activated at the start of the contraction O none of the above Question 59

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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The total force (crossbridge + titin strain) generated in an eccentric actomyosin
crossbridge is
O 4-6 pN of force at a metabolic cost of 1 ATP
O 6 pN of force at a metabolic cost of 1 ATP
O 8-12 pN of force at a metabolic cost of 1 ATP
O always 4 pN of force at a metabolic cost of 1 ATP
none of the above
A subject is instructed to generate a 40% MVC eccentric contraction, as a result fast
twitch motor units will
O not be active since the force is only 40% MVC
O be activated throughout the contraction
O only be activated at the start of the contraction
O none of the above
Question 59
Which of the following nerve fibers are NOT found on a muscle spindle
O Type la neuron
O Type II neuron
gamma neuron
O Type Ib neuron
O all of the above
Transcribed Image Text:The total force (crossbridge + titin strain) generated in an eccentric actomyosin crossbridge is O 4-6 pN of force at a metabolic cost of 1 ATP O 6 pN of force at a metabolic cost of 1 ATP O 8-12 pN of force at a metabolic cost of 1 ATP O always 4 pN of force at a metabolic cost of 1 ATP none of the above A subject is instructed to generate a 40% MVC eccentric contraction, as a result fast twitch motor units will O not be active since the force is only 40% MVC O be activated throughout the contraction O only be activated at the start of the contraction O none of the above Question 59 Which of the following nerve fibers are NOT found on a muscle spindle O Type la neuron O Type II neuron gamma neuron O Type Ib neuron O all of the above
The sensitivity of the muscle spindle to stretch is altered via the
gamma neurons
Otype la neurons
O type Ib neurons
O type Il neurons
O none of the above
To maintain balance the central nervous system utilizes which of the following
somatosensory
vision
O vestibular
all of the above
O none of the above
Transcribed Image Text:The sensitivity of the muscle spindle to stretch is altered via the gamma neurons Otype la neurons O type Ib neurons O type Il neurons O none of the above To maintain balance the central nervous system utilizes which of the following somatosensory vision O vestibular all of the above O none of the above
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