Muscle that moves arm toward the mid-line.

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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Muscle that moves arm toward the mid-line.

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Introduction

There are two motions which takes place within the coronal plane involving the medial-lateral motions of the limbs, fingers, toes, or thumb. These motions are known as adduction and abduction motions. Abduction helps to raise the arm at the shoulder joint, moving it laterally away from the body while adduction helps the  arm down to the side of the body. Hence, we can say that abduction moves the limb laterally away from the mid-line of the body, while adduction is the opposing movement that brings the limb toward the body or across the mid-line.

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