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UE Actions
Anatomy
| Question | Answer |
|---|---|
| Pectoralis Major | adduct & medially rotate humerus; flex humerus |
| Pectoralis Minor | depress & protract scapula |
| Serratus Anterior | protracts & rotates scapula |
| Trapezius | elevate, retract, rotate scapula |
| Rhomboid Major | retract, elevate & downwardly rotate scapula; fix scapula to thoracic wall |
| Rhomboid Minor | retract & elevate scapula |
| Levator Scapulae | elevate scapula |
| Latissimus dorsi | extend, adduct, & (especially) medially rotate humerus |
| Deltoid | Anterior: flex/ medially rotate humerus; Lateral: abduct humerus; Posterior: extends/ laterally rotates humerus |
| Subscapularis | medially rotate/ adduct humerus; help stabilize shoulder joint |
| Teres Minor | lateral rotation of humerus |
| Infraspinatus | lateral rotation of humerus |
| Supraspinatus | helps deltoid abduct arm |
| Teres Major | adducts & medially rotates humerus |
| Biceps brachii (long head) | Flex GHJ and elbow, supinate forearm |
| Biceps Brachii (short head) | Flex GHJ and elbow, supinate forearm |
| Coracobrachialis | Flex GHJ; flex & adduct arm |
| Brachialis | Flex elbow |
| Triceps Brachii (long head) | extend forearm/ GHJ & elbow |
| Triceps Brachii (Lateral Head) | extend forearm/ GHJ & elbow |
| Triceps Brachii (Medial Head) | extend forearm/ GHJ & elbow |
| Pronator Teres | Pronate forearm & flex elbow |
| Flexor Carpi Radialis | Flex wrist & abduct hand |
| Palmaris Longus | Flex wrist, tense palmar aponeurosis |
| Flexor Carpi Ulnaris | Flex wrist & adduct hand |
| Flexor digitorum superficialis | flex 2-5 (not thumb) at MCP/PIP (not DIP) |
| Flexor Digitorum Profundus | Flex digits 2-5 (MCP, PIP, & especially DIP) |
| Flexor pollicis longus | Flex thumb (MCP and IP joints) |
| Pronator quadratus | Pronate forearm |
| Brachioradialis | Flex elbow/ forearm |
| Extensor carpi radialis longus | Extend/ abduct hand at wrist |
| Extensor carpi radialis brevis | Extend/ abduct hand at wrist |
| Extensor Carpi Ulnaris | Extend/ adduct hand at wrist |
| Extensor Digitorum | Extend digits 2-5 (MCP); Extend wrist |
| Extensor digiti minimi | Extend digit 5 (MCP, PIP, DIP) |
| Extensor indicis | Extend digit 2 |
| Extensor pollicis longus | Extend thumb (CMC, MCP, PIP) |
| Extensor pollicis brevis | Extend thumb (CMC, MCP) |
| Abductor pollicis longus | Abduct and extend thumb |
| Supinator | Supinate forearm |
| Abductor digiti minimi | Abduct digit 5 |
| Flexor digiti minimi brevis | Flex proximal phalanx of digit 5 |
| Opponens digiti minimi | Bring digit 5 into opposition with thumb |
| Adductor pollicis | Adduct thumb toward digit 3 |
| Lumbricals 1-2 | Flex digits at MCPs; extend IP joints |
| Lumbricals 3-4 | Flex digits at MCPs; extend IP joints |
| Palmar interossei | Adduct digits 2, 4, & 5 |
| Dorsal interossei | Abduct 2-4 |
Created by:
Abarnard
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