BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Question
Chapter 26.6, Problem 1MC
Summary Introduction
To determine:
The reason for requirement of high proportion of slow -twitch muscle fibers in endurance sports and fast-twitch muscle fibers in power sports.
Introduction:
Endurance sports include sport like long-distance biking, running, and swimming while power sports include sports such as weight lifting, hurling the shot put, and sprinting.
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Students have asked these similar questions
Why do endurance sports require a high proportion of slow-twitchmuscle fibers, whereas power sports require more fast-twitch musclefibers?
Muscular endurance is defined as the:
O a) ability of a muscle to contract
repeatedly over an extended
period of time
b) amount of force a muscle can
produce with a single maximal
effort
O c) ability to move the joints through
a full range of motion
O d) amount of time required to
contract a muscle completely
What is the difference between a single cross-bridge power stroke and a single twitch of a skeletal muscle fiber?
Chapter 26 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 26.1 - How do the skeletal and muscular systems interact?Ch. 26.1 - Prob. 2MCCh. 26.1 - Prob. 3MCCh. 26.2 - Prob. 1MCCh. 26.2 - Prob. 2MCCh. 26.3 - Prob. 1MCCh. 26.3 - Prob. 2MCCh. 26.3 - Prob. 3MCCh. 26.3 - Prob. 4MCCh. 26.3 - Prob. 5MC
Ch. 26.4 - Prob. 1MCCh. 26.4 - Prob. 2MCCh. 26.4 - Prob. 3MCCh. 26.4 - Prob. 4MCCh. 26.4 - Prob. 5MCCh. 26.5 - Prob. 1MCCh. 26.5 - What happens when a muscle cell can not generate...Ch. 26.6 - Prob. 1MCCh. 26.6 - Prob. 2MCCh. 26 - Prob. 1MCQCh. 26 - Prob. 2MCQCh. 26 - Prob. 3MCQCh. 26 - Prob. 4MCQCh. 26 - Prob. 5MCQCh. 26 - Prob. 6MCQCh. 26 - Prob. 7MCQCh. 26 - Prob. 8MCQCh. 26 - Prob. 9MCQCh. 26 - Distinguish among a hydrostatic skeleton, an...Ch. 26 - Explain the observation that animals with...Ch. 26 - Prob. 3WIOCh. 26 - Prob. 4WIOCh. 26 - Prob. 5WIOCh. 26 - Prob. 6WIOCh. 26 - Prob. 7WIOCh. 26 - Prob. 8WIOCh. 26 - Prob. 9WIOCh. 26 - How might your muscles lengthen when you stretch?...Ch. 26 - How do the effects of exercise or lack thereof...Ch. 26 - Prob. 12WIOCh. 26 - Search the Internet for disorders of the skeletal...Ch. 26 - What is role of calcium in bones? In muscle...Ch. 26 - The following table shows recent mens world-record...Ch. 26 - Prob. 1SLCh. 26 - Prob. 1PITCh. 26 - Prob. 2PITCh. 26 - Prob. 3PITCh. 26 - Prob. 4PIT
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Similar questions
- Isometric exercise is best described as applying a force O a) with movement through a full and complete range of motion O b) while a muscle is lengthening and returning to a resting position c) without any change in length of the muscle O d) at a constant speedarrow_forwardWhich of the following is thought to be cause of muscular fatigue? Decrease level of lactate within the muscle cell Decrease level of extracellular potassium outside of muscle cell Increased level of acetylcholinesterase in the synaptic cleft Increase level of intracellular ATP within muscle cell Increase level of phosphate within muscle cellarrow_forwardWhich 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 whitearrow_forward
- Muscular strength is defined as the: a) ability of a muscle to contract with maximal force O b) ability to move the joints through a full range of motion O c) ability to sustain a given level of muscular tension over time d) amount of force a muscle can produce repeatedly over 60 secondsarrow_forwardWhat happens if there’s a sufficient supply of ATP in muscle contraction?arrow_forwardDefine the Summation of muscle contractions to a level of maximum sustainability ?arrow_forward
- Slow twitch muscle fibers are characterized by all of the following EXCEPT: O a) used in endurance type of activities O b) contract rapidly and forcefully Oc) resistant to fatigue O d) have a direct relationship to the oxidative energy systemarrow_forwardwhy does a rapid series of muscle twitches yield a stronger overall contraction than a single twitch?arrow_forwardDefine the term Twitch Contractions?arrow_forward
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