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35 Cards in this Set
- Front
- Back
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Describe the action of the DEEP PECTORAL
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Pull trunk cranially
Extend shoulder joint When not supporting weight, to draw limb caudally and flex shoulder joint Adduct limb |
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What is the action of the brachiocephalicus?
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Advance limb; extend shoulder joint and draw neck/head to the side
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What is the action of the sternocephalicus?
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Draw head/neck to side
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What is the action of the sternohyoideus?
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Pull tongue and larynx caudally
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What is the action of the sternothyroideus?
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Pull tongue and larynx caudally
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What is the action of the omotransversarius?
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Advance limb or flex neck laterally ; extend shoulder
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What is the action of the trapezius?
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Elevate and abduct forelimb
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What is the action of the Rhomboideus?
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Elevate forelimb, draw scapula against trunk
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What is the action of the Latissimus dorsi?
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Draw free limb caudally as in digging; flex shoulder joint
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What is the action of the Serratis ventralis?
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Support trunk, depress scapula
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What is the action of the Infraspinatus?
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Extends or flex shoulder; abduct shoulder; rotate arm laterally
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What is the action of the supraspinatus?
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Extend/Stabilize shoulder
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What is the action of the teres minor?
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Flex shoulder, rotate arm laterally
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What is the action of the teres major?
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Flex shoulder, rotate arm medially
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What is the action of the coracobrachialis?
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Adduct, extend, stabilize shoulder
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What is the action of the subscapularis?
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Adduct, extend, stabilize shoulder. Rotate arm medially.
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What is the action of the tensor fasciae antebrachii?
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Extends elbow (Cubital joint)
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What is the action of the long head of the triceps brachii?
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Extend elbow; flex shoulder
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What is the action of the triceps brachii (except the long head)?
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Extend the elbow (long head also flexes shoulder)
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What is the action of the anconeus?
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Extend elbow
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What is the action of the biceps brachii?
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Flex elbow, extend shoulder
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What is the action of the brachialis?
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Flex elbow
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What is the action of the extensor carpi radialis?
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Extend carpus
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What is the action of the common digital extensor?
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Extend joints of 4 principal digits and carpus
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What is the action of the lateral digital extensor?
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Extend carpus and joints of digits III-V
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What is the action of the extensor carpi ulnaris (ulnaris lateralis)?
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Abduct/FLEX carpal joint
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What is the action of the abductor pollicis longus?
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Abduct pollex, extend carpal joints
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What is the action of the supinator?
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Supinate arm, flex elbow
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What is the action of the pronator teres?
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Pronation, flex elbow
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What is the action of the flexor carpi radialis?
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Flex carpus
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What is the action of the superficial digital flexor?
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Flex carpus, metacarpophalangeal and proximal interphalangeal joints of digits II-V
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What is the action of the deep digital flexor?
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Flex carpus, metacarpophalangeal joints and proximal and distal interphalangeal joints of digits
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What is the action of the pronator quadratus?
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To pronate the paw
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What is the action of the interosseous muscle?
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Flex metacarpophalangeal joint
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What is the action of the brachioradialis?
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Flex elbow
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