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Unit 2 Muscles - Coggle Diagram

- - - - Short Head - Coracoid Process of Scapula
      - Long Head - Supraglenoid tubercle of scapula
    - - flex the forearm at elbow joint
      - Supinate forearm
  - - - medially rotate arm at GHJ
      - Extend arm at GHJ
  - - - Spine of scapula
      - Acromion of scapula
      - Anterior border of lateral 1/3 clavical
    - - Abduct arm at GHJ past 15 degrees
      - Clavicular joint fibers - flex arm
      - Posterior fibers - extend arm
  - - - Lateral head - posterior surface of humerus
      - Medial head - posterior surface of humerus at midshaft
      - Long head - infraglenoid tubercle of scapula
    - - Extend forearm at elbow
      - Long head only additional:
        
        Extend arm at GHJ
        
        Adduct arm at GHJ
  - - - Clavicular head: anterior surface clavicle medial half
      - Sternocostal head: Anterior surface of sternum, costal cartilages 1-7, 6th rib
    - - Flexion at GHJ
      - Adduction at GHJ
      - Medial rotation at GHJ
      - Clavicular head: flexion of extended arm at GHJ
      - Sternocostal head: extension of flexed arm at GHJ
  - - - depress lateral angle of scapula
      - Protract/abduct scapula
  - - - Protract/abduct scapula
      - rotate scapula
      - Fix scapula
  - - - Iliac crest
      - Ribs 9-12
      - Spinous processes of T7 to Sacrum
- - - - ins - prximla phalanx of thumb
      - inner - median n.
      - ori - flexor retinaculum and trapezium
      - flexes thumb at carpometacarpal joint
    - - ins - metacarpal 1
      - innerv - median n.
      - ori - trapezium and flexor retinaculum
      - fun - oppose and medially rotate thumb
    - - ins - prox phallanx and extensor hood of thumb
      - innerv- median n.
      - ori - scaphoid and trapezium
      - abduct thumb at carpometacarpal joint
  - - - ins - prox phalanx of digit 5
      - innerv - deep ulnar
      - ori - hamate and flexor retinaculum
      - funciton flex pinky at carpophalangeal joint
    - - ins - metacarpal 5
      - innerv - deep ulnar n
      - ori - hamate and flexor retinaculum
      - function - lat rotation of metacarpal 5
    - - ins - proximal phalanx digit 5
      - innervated - deep ulnar n
      - ori - pisiform and tendon of flexor carpi ulnaris
      - function - abduct pinky at metacarpophalangeal joint
  - - - ori - tendons of digitiorum profundus
      - ins - extensor hoods of 2,3,4,5
      - inner. - lateral muscles median n. and median muscles deep ulnar
      - function - flex metacarpophalangeal while extending interphalangeal
    - - ins - base of proximal phalanx and extensor hood
      - innervation - deep branch of ulnar n.
      - ori - metacarpals 2 and 3
      - function - adduct thumb
    - - ins - ext hoods and proximal phallanges of 2,3,4
      - inner - deep ulnar n.
      - ori - adjacent sides of metacarpals
      - function - abduct 2,3,4
    - - ins - ext hoods 2,4,5
      - innerv - deep ulnar n.
      - ori - metacarpal side
      - function - adduct metacarpals
- - - - Lateral epicondyle of humerus
      - Posterior border of ulna
  - - - extend wrist
      - abduct wrist
- - - - palmar surface of base of metacarpal 5
      - pisiform
      - hamate
    - - humeral head - medial epicondyle of humerus
      - ulnar head - olecranon of ulna
- - - - flex proximal interphalangeal joins 2-5
      - flex wrist
      - flex metacarpophalangeal joints
    - - medial epicondyle of humerus
      - coronoid process of ulna
      - radius
  - - - medial half - ulnar n
      - lateral half - medial
    - - flex distal interphalangeal joints 2-5
      - flex wrist
      - flex metacarpophalangeal joints
- - - - superficial - lateral epicondyle
      - superficial - radial collateral ligament AND annular ligament
      - deep - ulna
- - - - Humeral Head - medial epicondyle of humerus
      - Ulnar head - coranoid process of ulna