Question

The antagonistic pairs of arm and leg muscles A. allow healthy muscles to compensate for injured ones; B. allow muscles to produce opposing movements; C. allow different types of rotations of joints; D. allow myofibrils to fire in response to different stressors.

Name: Problem 8, Chapter 21: Biology: Science for Life with Physiology
Uploaded: 2022-03-23T23:46:14-08:00
Duration: 1 min 35 s
Channel: Rachel Griffin
Description: The antagonistic pairs of arm and leg muscles A. allow healthy muscles to compensate for injured ones; B. allow muscles to produce opposing movements; C. allow different types of rotations of joints; D. allow myofibrils to fire in response to different stressors.

   The antagonistic pairs of arm and leg muscles
A. allow healthy muscles to compensate for injured ones; B. allow muscles to produce opposing movements;
C. allow different types of rotations of joints; D. allow myofibrils to fire in response to different stressors.

Biology: Science for Life with Physiology

Colleen Belk,… 5th Edition

Chapter 21, Problem 8

Instant Answer

Solved by Expert Rachel Griffin

03/23/2022

Step 1

Antagonistic muscles are pairs of muscles that work against each other. This means when one muscle in the pair contracts (shortens), the other muscle in the pair relaxes (lengthens). Show more…

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The antagonistic pairs of arm and leg muscles A. allow healthy muscles to compensate for injured ones; B. allow muscles to produce opposing movements; C. allow different types of rotations of joints; D. allow myofibrils to fire in response to different stressors.

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Key Concepts

Opposing Movements

Opposing movements refer to the action achieved through the contraction of one muscle and the simultaneous relaxation of its antagonist, enabling precise and controlled joint movement. This concept is central to understanding how the body performs a variety of dynamic and stabilizing actions during physical activity.

Antagonistic Muscle Pairs

These are groups of muscles that work in opposition to each other where one muscle contracts while its antagonist relaxes, allowing smooth, coordinated movements. This opposition is fundamental in everyday activities and is crucial for maintaining balance and fine motor control.

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