Lab 19: Muscles of the Chest, Shoulder and Arm

PURPOSE:
To review the actions, origins and insertions of the muscles in the chest, shoulder and arm.

LEARNING OBJECTIVES:
1. Locate and identify the muscles of the chest, shoulder and arm
2. Describe and demonstrate the action of each of these muscles
3. Identify the origin and insertion of each of these muscles

PROCEDURE:
1. Review Cpt 7 page 195-198, 204-211, and the Muscle Movement page

2. Print out images 19.1-19.3 (below), paste into your NoteBook and Label

3. Locate the following muscles in the manikin and models. Also locate in your own body as many muscles as you can: trapezius, rhomboideus, levator scapulae, pectoralis minor, pectoralis major, teres major, latissimus dorsi, supraspinatus, deltoid, subscapularis, infraspinatus, teres minor, biceps brachii, triceps brachii, supinator, pronator teres, pronator quadratus, flexor carpi radialus, flexor carpi ulnaris, flexor digitorum, extensor carpi radialis, extensor carpi ulnaris, extensor digitorum. List these muscles along with their origins, insertions and actions

4. Demonstrate the actions of these muscles in your body

5. Locate the origins and insertions of these muscles in the human skeleton

6. Complete parts A, B, and C (body builder, Arnold" images, below) of the Lab Handout

7. As you complete the lab, write your synopsis of the lab by describing the different actions and give examples of the muscles of the arm, shoulder and back that create these actions.

Part C