Muscles That Move the Pectoral Girdle (p.191)

1
Muscles That Move the Pectoral Girdle (p.191)

• Closely associated with those that move the arm
• Many move the scapula up, down, backward, and
  forward

2
Muscles That Move the Arm

• Grouped according to primary actions
• Flexors
• Coracobrachialis
• Pectoralis major
• Extensors
• Teres major
• Latissimus dorsi
• Abductors
• Supraspinatus
• Deltoid
• Rotators
• Subscapularis
• Infraspinatus
• Teres minor

3
Muscles That Move the Arm (p.193)
4
Muscles That Move the Forearm

• Flexors
• Biceps brachii
• Brachialis
• Brachioradius
• Extensor
• ????
• Rotators
• Supinator
• Pronator teres
• Pronator quadratus (square shaped)

5
Muscles That Move the Forearm (p.194)
6
Muscles That Move the Wrist, Hand, and Fingers

• Flexors
• Flexor carpi radialis
• Flexor caroi ulnaris
• Palmaris longus
• Flexor digitorum profundus
• Extensors
• Extensor carpi radialis longus
• Extensor carpi radialis brevis
• Extensor carpi ulnaris
• Extensor digitorum

7
Muscles That Move the Wrist, Hand, and Fingers
(p.195)