Chapter 8, Problem 1CP

Name the bones of the pectoral girdles.

Summary Introduction

To enlist:

The bones of the pectoral girdle.

Introduction:

The pectoral girdle comprises of four bones, two scapulae and two clavicles. Scapulae are flat and broad shaped bones that are attached to rib cage at the posterior side. On the contrary, the clavicles are S-shaped bones that are attached to sternum at one end and to scapulae at the other end.

Explanation of Solution

Pectoral girdle of humans is the structure that connects the upper limb to the axial skeleton. It forms the shoulder joint and also allows the movement of upper limbs. It also provides the site for attachment of various muscles.

Conclusion

Pectoral girdle of humans is the structure that connects the upper limb to the axial skeleton.