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Forelimb Muscle Presentation
Muscles and their actions
33
Anatomy
Undergraduate 4
09/05/2012

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Cards

Term
Superficial Pectoral
Definition
-Prevents abduction of limb
-Adducts limb
Term
Deep Pectoral
Definition
-Pulls trunk cranially and extends shoulder joint
-Adducts limb
Term
Brachiocephalicus
Definition
-Advances limb, extends shoulder, draws neck & head side to side
Term
Sternocephalicus
Definition
-Draws head and neck side to side
Term
Omotranversarius
Definition
-Advances limb and flexes neck laterally
Term
Trapezius
Definition
-Elevates and abducts forelimb
Term
Rhomboideus
Definition
-Elevates forelimb and draws scapula against neck
Term
Latissimus Dorsi
Definition
-Draws free limb caudally, flexes shoulder joint
Term
Serratus Ventralis
Definition
-Supports trunk and depresses scapula
Term
Deltoideus
Definition
-Flexes shoulder
Term
Infraspinatus
Definition
-Extends and flexes shoulder joint
-Abducts and laterally rotates shoulder
Term
Teres Minor
Definition
-Flexes and laterally rotates shoulder
Term
Supraspinatus
Definition
-Extends and stabilizes shoulder joint
Term
Subscapularis
Definition
-Adducts, extends, and medially stabilizes shoulder
Term
Teres Major
Definition
-Flexes and medially rotates shoulder
Term
Coracobrachialis
Definition
-Adducts, extends, and stabilizes shoulder
Term
Tensor Fasciae Antebrachii
Definition
-Extends elbow
Term
Triceps Brachii
Definition
-Extends elbow
-Flexes shoulder (long head)
Term
Anconeus
Definition
-Extends elbow
Term
Biceps Brachii
Definition
-Flexes elbow
-Extends shoulder
Term
Brachialis
Definition
-Flexes elbow
Term
Extensor Carpi Radialis
Definition
-Extends carpus
Term
Common Digital Extensor
Definition
-Extends joints of four principal digits and carpus
Term
Lateral Digital Extensor
Definition
-Extends joints of digits III, IV, and V as well as carpus
Term
Ulnaris Lateralis
Definition
-Abducts carpal joint
-Supports carpus while bearing weight
Term
Supinator
Definition
-Supinates and flexes elbow
Term
Abductor Digiti Longus I
Definition
-Abducts digit I
-Extends carpal joints
Term
Pronator Teres
Definition
-Pronates and flexes elbow
Term
Flexor Carpi Radialis
Definition
-Flexes carpus
Term
Superficial Digital Flexor
Definition
-Flexes joints of digits II-V
Term
Flexor Carpi Ulnaris
Definition
-Flexes carpus
Term
Deep Digital Flexor
Definition
-Flexes carpal and metacarpalphalangeal joints
-Flexes proximal and distal interdigital joints of digits
Term
Pronator Quadratus
Definition
-Pronates paw
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