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Karteikarten

Muscles of the Forearm

Melissa Denker Phase 1 MBChB Undergraduate Englisch 27 Karten

Karten in diesem Stapel (27)

  1. 1Anterior compartment layers (3) Function?Superficial layer
    Intermediate layer
    Deep layer
    Function: pronation, flexion
  2. 2Anterior compartment: Superficial layer muscles (4)Flexor carpi ulnaris m.
    Palmaris longus m.
    Flexor carpi radialis m.
    Pronator teres m.
  3. 3Flexor carpi ulnaris m. Origin? Innervation? Function? (2)Origin: medial epicondyle ---> pisiform bone
    Innervation: ulnar nerve
    Function: flexion of wrist, adduction of wrist
  4. 4Palmaris longus m. Origin? Innervation? Function? (2)Origin: medial epicondyle --> palmar aponeurosis
    Innervation: median nerve
    Function: flexion of wrist; prevents shearing forces when gripping with hand
  5. 5Flexor carpi radialis m. Origin? Innervation? Function? (2)Origin: medial epicondyle --> base of metacarpals 2, 3
    Innervation: median nerve
    Function: flexion of wrist, adduction of wrist
  6. 6Pronator teres m. Origin? Innervation? Function? (1)Origin: medial epicondyle --> lateral mid-shaft radius
    Innervation: median nerve
    Function: pronation
  7. 7Anterior compartment: Intermediate layer (1)Flexor digitorum superficialis m.
  8. 8Flexor digitorum superficialis m. Origin? Innervation? Function? (3)Origin: medial epicondyle --> four tendons: palmar surface of middle phalanges of fingers
    Innervation: median nerve
    Function: flexion of proximal interphalangeal joints, flexion of metacarpophalangeal joints, flexion of wrist
  9. 9Anterior compartment: Deep layer muscles (3)Flexor digitorum profundus m.
    Flexor pollicis longus m.
    Pronator quadratus m.
  10. 10Flexor digitorum profundus m. Origin? Innervation? (2) Function? (3)Origin: medial surface of ulna/medial half of IO membrane --> four tendons: palmar surface of distal phalanges of fingers
    Innervation: LATERAL HALF - median nerve; MEDIAL HALF - ulnar nerve
    Function: flexion of distal interphalangeal joints, flexion of metacarpophalangeal joints, flexion of wrist
  11. 11Flexor pollicis longus m. Origin? Innervation? (+specific n.) Function? (2)Origin: anterior surface of radius/radial half of IO membrane --> palmar surface of base of distal thumb phalanx
    Innervation: median nerve (anterior interosseous nerve)
    Function: fixes interphalangeal thumb joint, flexion of metacarpophalangeal thumb joint
  12. 12Pronator quadratus m. Origin? Innervation? (+specific n.) Function? (1)Origin: distal anterior surface of ulna --> distal anterior surface of radius
    Innervation: median nerve (anterior interosseous nerve)
    Function: pronation of forearm
  13. 13Posterior compartment Layers? Function? (2)Superficial layer
    Deep layer
    Function: Extension, supination
  14. 14Posterior compartment Superficial layer (7)Brachioradialis m.
    Extensor carpi radialis longus m.
    Extensor carpi radialis brevis m.
    Extensor digitorum m.
    Extensor digit minimi m.
    Extensor carpi ulnaris m.
    Anconeus m.
  15. 15Posterior superficial layer Brachioradialis m. Origin? Innervation? Function?Origin: proximal part of lateral supraepicondylar ridge (humerus) --> lateral surface of distal radius
    Innervation: radial nerve (before splitting)
    Function: accessory flexion of elbow joint WHEN in mid-pronation
  16. 16Posterior superficial layer Extensor carpi radialis longus m. Origin? Innervation? Function? (2)Origin: distal part of supraepicondylar ridge (humerus) --> dorsal surface of base of metacarpal 2
    Innervation: radial nerve (before splitting)
    Function: Extension of wrist, abduction of wrist
  17. 17Posterior superficial layer Extensor carpi radialis brevis m. Origin? Innervation? Function? (2)Origin: lateral epicondyle --> dorsal surface of base of metacarpals 2, 3
    Innervation: deep branch of radial nerve (before entering supinator m.)
    Function: Extension of wrist, abduction of wrist
  18. 18Posterior supercifial layer Extensor digitorum m. Origin? Innervation? Function? (2)Origin: lateral epicondyle --> four tendons: extensor hoods on dorsal aspects of middle/distal finger phalanges
    Innervation: posterior interosseous nerve
    Function: Extension of fingers, extension of wrist
  19. 19Posterior superficial layer Extensor digiti minimi m. Origin? Innervation? Function? (1)Origin: lateral epicondyle --> dorsal extensor hood of little finger
    Innervation: posterior interosseous nerve
    Function: extension of little finger
  20. 20Posterior superficial layer Extensor carpi ulnaris m. Origin? Innervation? Function? (2)Origin: lateral epicondyle --> tubercle on medial side of base of metacarpal 5
    Innervation: posterior interosseous nerve
    Function: extension of wrist, adduction of wrist
  21. 21Posterior superficial layer Anconeus m. Origin? Innervation? Function? (2)Origin: lateral epicondyle --> olecranon
    Innervation: radial nerve
    Function: abduction of ulna WHEN pronated; accessory extension of elbow
  22. 22Posterior compartment Deep layer (5)Supinator m.
    Abductor pollicis longus m.
    Abductor pollicis brevis m.
    Extensor pollicis longus m.
    Extensor indicis m.
  23. 23Posterior deep layer Supinator m. Origin? (2) Innervation? Function? (1)Origin: SUPERFICIAL PART - lateral epicondyle, radial collateral ligament, radial annular ligament --> lateral surface of radius
    DEEP PART - supinator crest (ulna) --> lateral surface of radius
    Innervation: posterior interosseous nerve
    Function: supination
  24. 24Posterior deep layer Abductor pollicis longus m. Origin? Innervation? Function? (2)Origin: posterior surface of ulna and radius (distal to supinator/anconeus) --> lateral side of base of metacarpal 1
    Innervation: posterior interosseous nerve
    Function: abduction of carpometacarpal thumb joint, accessory extensor of thumb
  25. 25Posterior deep layer Extensor pollicis brevis m. Origin? Innervation? Function? (2)Origin: posterior surface of radius (distal to abductor pollicis longus) --> dorsal surface of base of proximal thumb phalanx
    Innervation: posterior interosseous nerve
    Function: extension of metacarpophalangeal thumb joint, extension of carpometacarpal thumb joint
  26. 26Posterior deep layer Extensor pollicis longus m. Origin? Innervation? Function? (3)Origin: posterior surface of ulna (distal to abductor pollicis longus) --> dorsal surface of base of distal thumb phalanx
    Innervation: posterior interosseous nerve
    Function: extension of interphalangeal thumb joint, extension of metacarpophalangeal thumb joint, extension of carpometacarpal thumb joint
  27. 27Posterior deep layer Extensor indicis m. Origin? Innervation? Function? (1)Origin: posterior surface of ulna (distal to extensor pollicis longus) --> extensor hood of index finger
    Innervation: posterior interosseous nerve
    Function: extension of index finger

Informationen

Beschreibung
Undergraduate Phase 1 MBChB Karteikarten am Muscles of the Forearm, erstellt von Melissa Denker am 11/04/2015.
Erstellt von
Melissa Denker
Aufrufe
39
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