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
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
Muscles That Move the Arm
(p.193)
Muscles That Move the
Forearm
• Flexors
– Biceps brachii
– Brachialis
– Brachioradius
• Extensor
– ????
• Rotators
– Supinator
– Pronator teres
– Pronator quadratus (square shaped)
Muscles That Move the Forearm
(p.194)
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
Muscles That Move the Wrist,
Hand, and Fingers (p.195)