Explanation Given information: Skeletal muscles have many types of fibers. Type I fiber is basically used for aerobic activities, while type IIb fiber is used for intense exercise. Type I fiber is used in aerobic exercise. In aerobic exercise, ATP is formed by oxygen consumption, which occurs in the mitochondria of the cell...

9th Edition

ISBN: 9781319425784

Author: BERG

Publisher: Macmillan Higher Education

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Question

Chapter 27, Problem 38P

Interpretation Introduction

Interpretation:

Difference between the type I and type IIb fibers containing cells should be determined.

Concept introduction:

There are two types of skeletal muscle fibers, which are slow-twitch (type I) fibers, and fast twitch fibers (type II). The function of type I fibers is to perform activities of long duration, such as running for long distance, whereas, the function of type II fibers is in powerful and sudden movements, such as in sprinting. These fibers fatigue much faster than the type I fibers.

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Chapter 27, Problem 37P

Chapter 27, Problem 39P

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Chapter 27 Solutions

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Solution Summary: The author explains the difference between the type I and type IIb fibers containing cells.

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