Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 10, Problem 4CYU
Which of the three lever systems involved in muscle mechanics would be the fastest lever-first-, second-, or third-class?
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Which of the three lever systems involved in muscle mechanics would be the fastest lever—first-, second-, or third-class?
Which of the following is not true when comparing slow twitch red and fast twitch white muscle fibers?
Question 2 options:
a)
Red contain more mitochondria than white
b)
Red contain more myoglobin than white
c)
Red contracts more slowly than white
d)
Red contain more glycogen stores than white
How does speed of muscle action affect the following relationships; force-velocity and force-power?
Chapter 10 Solutions
Anatomy & Physiology
Ch. 10 - The term prime mover is used in the business world...Ch. 10 - What criteria are used in naming each of the...Ch. 10 - Prob. 3CYUCh. 10 - Which of the three lever systems involved in...Ch. 10 - What benefit is provided by a lever that operates...Ch. 10 -
6. As John listened to Roger’s account of how he...Ch. 10 - What muscles would you contract to make a sad...Ch. 10 - How can the deltoid muscles both extend and flex...Ch. 10 - Which of the thenar muscles does not have an...Ch. 10 - A muscle that assists an agonist by causing a like...
Ch. 10 - The arrangement of muscle fibers in which the...Ch. 10 - Match the muscle names in column B to the facial...Ch. 10 - The prime mover of inspiration is the (a)...Ch. 10 - The arm muscle that both flexes the elbow and...Ch. 10 - The chewing muscles that protract the mandible and...Ch. 10 - Muscles that depress the hyoid bone and larynx...Ch. 10 - Intrinsic muscles of the back that promote...Ch. 10 - Several muscles act to move and/or stabilize the...Ch. 10 - The quadriceps include all but (a)...Ch. 10 - A prime mover of hip flexion is the (a) rectus...Ch. 10 - The prime mover of hip extension against...Ch. 10 - Muscles that cause plantar flexion include all but...Ch. 10 - In walking, which two lower limb muscles keep the...Ch. 10 - Prob. 15RQCh. 10 - Which of the following is large, deep muscle that...Ch. 10 - Name four criteria used in naming muscles, and...Ch. 10 - Differentiate between the arrangement of elements...Ch. 10 - What does it mean when we say that a lever...Ch. 10 - Which muscles act to propel food down the length...Ch. 10 - Name and describe the action of muscles used to...Ch. 10 - (a) Name the four muscle pairs that act in unison...Ch. 10 - List all six possible movements that can occur at...Ch. 10 - (a) Name two forearm muscles that are powerful...Ch. 10 - Name the muscles usually grouped together as the...Ch. 10 - Name three thigh muscles that help you keep your...Ch. 10 - (a) Name three muscles or muscle groups used as...Ch. 10 - Name two muscles in each of the following...Ch. 10 -
In Chapters 7 and 8, you were introduced to Kayla...Ch. 10 - In Chapters 7 and 8, you were introduced to Kayla...Ch. 10 - Prob. 3CCSCh. 10 - Prob. 4CCS
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- What is a motor unit? Why does a rapid series of muscle twitches yield a stronger overall contraction than a single twitch?arrow_forwardYou are competing in a pull-up competition. What type of muscle contractions are occurring in your latissimus dorsi muscles immediately after you grab the bar? As your body begins to move upward toward the bar? When your body begins to approach the mat?arrow_forwardIn the context of muscles, define (a) agonist, (b) antagonist, and (c) synergist. Why are there muscles that can “undo” actions produced by other muscles?arrow_forward
- Describe the processes by which muscles obtain the energy to power contractions.arrow_forwardWhy might stretching a cramping muscle INCREASE the cramping, as well as why would contracting the opposing muscle rapidly improve the situation?arrow_forwardWhy does repeated stimulation of the muscle (at maximum stimulus) before it has completely recovered from the previous contraction lead to increasing force of contractions?arrow_forward
- (a) Describe the roles of ATP in the sliding filament mechanism of skeletal muscle contraction. (b) Describe the basic sequence of events that occurs as an action potential arrives at the neuromuscular junction and is transmitted to the muscle cell for contraction.arrow_forwardA muscle that helps an agonist by causing a similar movement or by stabilizing a joint over which the agonist acts is (a) an antagonist, (b) a prime mover, (c) a synergist, (d) a fulcrum.arrow_forwardWhat differences would you expect to see between amotor unit where muscular strength is more important thanfine control and another motor unit where fine control ismore important?arrow_forward
- What are the two neurotransmitters involved in excitation and inhibitation of muscles?arrow_forwardContraction elicited by a single brief stimulus is called (a) a twitch, (b) wave summation, (c) multiple motor unit summation, (d) fused tetanus.arrow_forwardHow can you explain the sliding filament theory in more simple terms to integrate all the features of the muscle movement?arrow_forward
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