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29 terms

Muscles of the Shoulder and Arm

This flashcard set features the muscles of the shoulder and arm. I hope you find it helpful as you study muscle identification and their actions in lab. All muscle model photographs by Rob Swatski (2009-2010). Visit my iTunes U site for Anatomy podcasts and PDF files of all of my anatomy photo visual guides! http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=424629511
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Biceps brachii
Flexes and supinates forearm
Brachialis
Flexes elbow
Deltoid
Flexes, medially rotates, and abducts arm
Infraspinatus
Laterally rotates shoulder; stabilizes the head of the humerus in glenoid cavity; one of the "rotator cuff" muscles
Supraspinatus
Abducts arm; stabilizes the head of the humerus in glenoid cavity; one of the "rotator cuff" muscles
Teres minor
Laterally rotates arm; one of the "rotator cuff" muscles
Teres major
Medially rotates and adducts the arm
Triceps brachii
Extends forearm
Biceps brachii
Flexes and supinates forearm
Brachioradialis
Flexes elbow
Coracobrachialis
Flexes and adducts the humerus
Extensor digitorum
Extends fingers and the wrist
Flexor carpi radialis
Flexes wrist and abducts hand
Flexor carpi ulnaris
Flexes and adducts wrist
Palmaris longus
Flexes wrist
Pronator teres
Pronates forearm and assists in flexing the elbow
Triceps brachii
Extends forearm
Trapezius
Elevates, depresses, retracts, and rotates the scapula; rotates the arm
Trapezius
Elevates, depresses, retracts, and rotates the scapula; rotates the arm
Latissimus dorsi
Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward
Pectoralis major
Adducts and medially rotates the arm; flexes and extends humerus
Serratus anterior
Abducts and protracts the scapula
Coracobrachialis
Flexes and adducts the humerus
Anconeus
Extends forearm and stabilizes elbow joint
Extensor carpi radialis longus
Extends wrist and abducts hand
Anconeus
Extends forearm and stabilizes elbow joint
Serratus anterior
Abducts and protracts the scapula
Latissimus dorsi
Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward
Pectoralis major
Adducts and medially rotates the arm; flexes and extends humerus