Chapter_8 - Chapter 8 The Appendecular Skeleton...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 8 The Appendecular Skeleton Appendicular The appendicular skeleton includes the bones of the upper and lower extremities and the shoulder and hip girdles. The appendicular skeleton functions primarily to facilitate movement. Pectoral Girdle The pectoral or shoulder girdle attaches the bones of the upper limbs to the axial skeleton Clavicle -The clavicle or collar bone lies horizontally in the superior and anterior part of thorax superior to the first rib and articulates with the sternum and the clavicle The clavicle, one of the most frequently broken bones in the body, transmits mechanical force from the upper limb to the trunk. Scapula - The scapula or shoulder blade articulates with the clavicle and the humerus - The scapulae articulate with other bones anteriorly, but are held in place posteriorly only by complex shoulder and back musculature. Upper Limb Each upper limb consists of 30 bones including the humerus, ulna, radius, carpals, metacarpals, and phalanges Humerus The humerus is the longest and largest bone of the upper limb It articulates proximally with the scapula and distally at the elbow with both the radius and ulna. Radius & Ulna The ulna is located on the medial aspect of the forearm The radius is located on the lateral aspect (thumb side) of the forearm Radius & Ulna The radius and ulna articulate with the humerus at the elbow joint, with each other,...
View Full Document

Page1 / 28

Chapter_8 - Chapter 8 The Appendecular Skeleton...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online