Chapter 12, Problem 12.1.2AYLO

Summary Introduction

To determine:

About the pectoralis minor and serratus anterior.

Introduction:

Muscles of the pectoral girdle are of two types, anterior group muscle and posterior group muscle. The anterior group contains two muscles, pectoralis minor and serratus anterior. The pectoralis minor arises from the 3-5 ribs, while, the serratus anterior arises from most of the ribs. The posterior group contains three deep muscles, the rhomboid minor, the rhomboid major, and levator scapulae.