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Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
Muscles moving the upper extremities
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Muscles moving the upper extremities

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Alisia Childs

Alisia Childs

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  • 1. Muscles moving the Upper Extremities<br />
  • 2. Muscles that move the Humerus<br />Pectoralis major<br />Action: <br />Flexes, adducts and rotates arm medially at shoulder <br />Origin: <br />Clavicle, sternum, costal cartilage of upper ribs<br />Insertion: <br />Humerus-greater tubercle<br />
  • 3. Latissimus dorsi <br />Action: <br /> Extends, adducts and rotates humerus medially, retracts the shoulder (swimmers muscle)<br />Origin: <br />Spine of sacral lumbar and lower thoracic vertebra. Iliac crest, and bottom 4 ribs.<br />Insertion:<br /> Intertubercular groove of the humerus.<br />
  • 4. Deltoid<br />Action: <br />Flexes and medially rotates arm, abducts arm, extends and laterally rotates arm.<br />Origin: <br />acromian process, spine of scapula, clavicle<br />Insertion: <br />Deltoid tuberocity of the humerous<br />
  • 5. Supraspinatus<br />Action: <br />Abducts arm<br />Origin : <br />Supraspinous fossa of scapula<br />Insertion: <br />Greater tubercle of humerus<br />
  • 6. Infraspinatus<br />Action: <br />Adducts and laterally rotates arm<br />Origin: <br />Infraspinous fossa of scapula<br />Insertion: <br />Greater tubercle of humerus<br />
  • 7. Teres minor<br />Action: <br />Adducts and laterally rotates arm<br />Origin: <br />upper lateral border of scapula<br />Insertion: <br />Greater tubercle of humerus<br />
  • 8. Teres major<br />Action: <br />Medially rotates and adducts arm<br />Origin: <br />Inferior angle and lateral border of scapula<br />Insertion: <br />Crest of lesser tubercle of the humerus<br />
  • 9. Muscles that act on the forearm<br />Triceps brachii<br />Action: <br />Extend forearm<br />Origin: <br />Long head-infraglenoid tubercle of the scapula<br />Lateral Head-posterior surface above radial groove.<br />Middle Head-posterior humerous below radial groove.<br />Insertion: <br />Olecranon process of the Ulna<br />
  • 10. Pass, Fail, Pass, FailPronator TeresFlexor carpi radialisPalmaris longusFlexor carpi ulnaris <br />
  • 11. Pronator Teres<br />
  • 12. Flexor carpi radialis <br />Flexor carpi ulnaris<br />
  • 13. Palmaris longus<br />
  • 14. THE 3 B’S THAT BEND THE ELBOW:<br />Biceps brachii, Brachioradialis, Brachialis<br />
  • 15. Biceps brachii <br />Action:<br /> Flex and supinate the forearm<br />Origin: <br />Short head- goes to the corocoid process of scapula <br />Long head-supraglenoid tubercle of scapula.<br />Insertion: <br />radiotuberocity and fascia of forearm<br />
  • 16. Brachioradialis<br />Action: <br />Flexes forearm<br />Origin: <br />lateral supercondylar ridge of humerus.<br />Insertion: <br />Styloid process of radius<br />
  • 17. Brachialis<br />Action: <br />Flexes forearm<br />Origin: <br />The distal anterior surface of the humerus.<br />Insertion: <br />The coronoid process of the ulna<br />
  • 18. Pronators and Supinator<br />Pronators<br /><ul><li>Pronator Quadratus</li></ul>Action: Pronates the hand<br />Origin: the distal 4th of the ulna<br />Insertion: distal 4th of the radius<br /><ul><li>Pronator Teres </li></ul>Action: Pronates forearm<br />Origin: the medial epicondyle of the humerus and coronoid process of the ulna<br />Insertion: Lateral surface of the radius.<br />
  • 19. Pronators<br />Pronator quadratus<br />Pronator teres <br />
  • 20. Supinator<br /><ul><li>Action:
  • 21. Supinates forearm
  • 22. Origin:
  • 23. the laterally epicondyle of the humerous and crest of the ulna.
  • 24. Insertion:
  • 25. Lateral surface of the proximal 3rd of the radius</li></li></ul><li>MUSCLES THAT MOVE WRIST, HAND AND DIGITS<br />
  • 26. Palmar Interosseous muscles<br />Action: <br />Adduct digits 2,4 and 5<br />Origin: <br />palmar surface of metacarpals 2,4,5<br />Insertion: <br />sides of proximal phalange bases for fingers 2,4,5<br />
  • 27. Dorsal Interosseous Muscles<br />Action: <br />Abduct digits 2-4<br />Origin: <br />adjacent sides of metacarpal bones.<br />Insertion: <br />dorsal tendons on fingers 2-5<br />
  • 28. Thenar Group<br />Flexor pollicis brevis<br />Opponens pollicis <br />Abductor pollicis brevis<br />Actions: <br />Flexes thumb<br />Abducts thumb<br />Opposition of thumb<br />Don’t need to know origins/insertions<br />
  • 29. Hypothenar Group<br />Flexor digiti minimi brevis<br /> Abductor digiti minimi<br />Opponens digiti minimi<br />Actions:<br />Flexes finger 5<br />Abducts pinky<br />Opposition of pinky<br />Don’t need to know origins/insertions<br />

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