Anterior Forearm Superficial Muscle

1. Review textbook sections on muscles that move the pectoral girdle, muscles that move the arm, muscles that move the forearm, and muscles that move the hand.

2. As a review activity, label figures 21.1, 21.2, 21.3, and 21.4.

3. Locate the following muscles in the torso and models of the upper limb. Also, locate in your own body as many of the muscles as you can.

muscles that move the pectoral girdle trapezius rhomboideus major levator scapulae serratus anterior pectoralis minor muscles that move the arm coracobrachialis pectoralis major teres major latissimus dorsi supraspinatus deltoid subscapularis infraspinatus teres minor muscles that move the forearm biceps brachii brachialis brachioradialis triceps brachii supinator pronator teres pronator quadratus muscles that move the hand flexor carpi radialis flexor carpi ulnaris palmaris longus flexor digitorum profundus flexor digitorum superficialis extensor carpi radialis longus extensor carpi radialis brevis extensor carpi ulnaris extensor digitorum

Figure 21.1 Label the muscles of the posterior shoulder. Superficial muscles are illustrated on the left side and deep muscles on the right side.

Figure 21.1 Label the muscles of the posterior shoulder. Superficial muscles are illustrated on the left side and deep muscles on the right side.

Musles Side Torso
Figure 21.2 Label the muscles of the anterior chest. Superficial muscles are illustrated on the left side and deep muscles on the right side.
Forearm Anterior SuperficialMuscles The Anterior Forearm
Figure 21.4 Label («) the muscles of the anterior forearm and (b) the muscles of the posterior forearm.
Anterior Labeling Shoulder Labeling The Bones The Human Body

4. Demonstrate the action of these muscles in your own body.

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

6. Complete Parts A, B, and C of Laboratory Report 21.

Web Quest

Determine the origin, insertion, action, nerve innervation, and blood supply of all the major muscles.

Identify muscles and detailed explanations from an interactive site.

Find information about these topics at http:// www.mhhe.com/biosci/abio/martinlmwq.mhtml

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Responses

  • julia
    Is the Anterior superficial pectoral a smooth muscle?
    6 months ago

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