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Flashcards

Anatomy Revision

Liz Fanning English 49 cards

Cards in this deck (49)

  1. 1Musculocutaneous NerveMotor: BBC
    Sensory: lateral forearm skin & shoulder and elbow joints
    Root value: C567
    Vulnerable at corocobrachialis
  2. 2Axillary NerveMotor: Deltoids & Teres Minor
    Sensory: Shoulder joint & shoulder badge
    Root Value: C56
    Vulnerable at surgical neck of humerus.
  3. 3Suprascapular NerveMotor: Supraspinatus and Infraspinatus
    Sensory: Shoulder joint & no skin
    Root Value: C56
    Vulnerable at suprascapular notch
  4. 4Nerves that supply the shoulder jointx5
    Musculocutaneous N
    Suprascapular N
    Subscapular N
    Axillary N
    Lateral Pectoral N
  5. 5Nerves that supply the elbow jointx4
    Musculocutaneous N
    Radial N
    Ulnar N
    Median N
  6. 6Nerves that supply the wrist jointx3
    Radial N
    Ulnar N
    Median N
  7. 7Ulnar Nerve Course & root valueCourse: goes behind medial epicondyle, over flexor retinaculum, and around hook of hamate
    Root Value: C8T1
  8. 8Ulnar Nerve Motor & Sensory InnervationMotor: Hyperthenar Eminence (3), Lumbricals 3&4, DI, PI, Adductor Pollicis, Flexor Carpi Ulnaris, & medial 1/2 of Flexor Digitorum Profundus
    Sensory: (only hand) little finger, and half of ring finger, to wrist.
  9. 9Ulnar Nerve Lesion Effects & DeformityLoss of precision grip
    Loss of power in power grip
    All grips affected through sensory loss
    Deformity: Claw hand (loss of intrinsic hand muscles means MCP joints stay extended, but more distal joints are flexed by extrinsic muscles).
  10. 10Radial Nerve Motor Supply after division (Posterior Interosseus Nerve) x9Supinator x1
    All Extensor muscles of the forearm x5 and thumb x2 & and. of thumb x1:
    Extensor Carpi Radialis Brevis
    Extensor Digitorum
    Extensor Digiti Minimi
    Extensor Carpi Ulnaris
    Extensor Pollicis Longus
    Extensor Pollicis Brevis
    Abductor Pollicis Longus
  11. 11Radial Nerve Motor Supply (prior to division)Triceps
    Extensor Carpi Radialis Longus
    Brachioradialis
    1/2 of Brachialis
    Anconeous
  12. 12Radial Nerve Root value & SensoryRoot Value: C5678T1
    Sensory: Skin of the posterior arm, forearm, and hand (except for tips of fingers, and little finger, half of ring finger).
    Wrist and elbow joints.
  13. 13Radial Nerve Lesion: Effects & DeformityEffects: Lack of wrist and finger extension, (picking up a cup, or releasing an object).
    Lack of forearm supination (turning keys)
    Deformity: 'Dropped wrist'.
  14. 14Root Value of Subscapular NerveC56?
  15. 15Root value of Lateral Pectoral NerveC567?
  16. 16Root Value of Medial Pectoral NerveC8T1?
  17. 17Root Value of Long Thoracic NerveC567?
  18. 18Root Value of Thoracodorsal NerveC678?
  19. 19Root Value of Subclavian NerveC56?
  20. 20Root value of Dorsal Scapular NerveC5
  21. 21Median Nerve Root Value MotorC5678T1
    ANTERIOR FOREARM
    All flexors (except Flexor Carpi Ulnaris & Medial half of Flexor Digitorum Profundus)
    Thenar Eminence (3)
    Lumbricals 1&2
  22. 22Sensory & Course of Median NerveSensory: (only in hand) front to wrist(except little and ring fingers) & tips of back.
    Course: runs medial to brachial artery, under bicipital aponeurosis, over brachialis, between two heads of Pronator Teres, between FCR and FDS, through carpal tunnel (where it is vulnerable.
  23. 23Functional Loss & Deformity of Median Nerve:Loss of precision grip, loss of power of power grip.
    Ape hand: loss of thumb (Thenar) muscles (if lesion is in carpal tunnel).
  24. 24What Myotome(s) is/are responsible for shoulder abduction & external rotation?Myotome C5
    ("High five")
  25. 25What Myotome(s) is/are responsible for shoulder adduction & internal rotation?C6, C7, or C8
  26. 26What Myotome(s) is/are responsible for elbow flexion?C5 or C6
    ("pick up sticks")
  27. 27What Myotome(s) is/are responsible for elbow extension?C7 or C8
    ("Lay them straight")
  28. 28What Myotome(s) is/are responsible for supination at radioulnar joint?C6
  29. 29What Myotome(s) is/are responsible for pronation at radioulnar joint?C7 or C8
  30. 30What Myotome(s) is/are responsible for wrist extension and flexion?C6 or C7
  31. 31What Myotome(s) is/are responsible for digit extension and flexion?C7 or C8
  32. 32What Myotome(s) is/are responsible for digit abduction, adduction, and opposition?C8 or T1
  33. 33Name the Dermotomes: (check desktop picture)C5 on outside to elbow, C6 on outside to index finger, C7 on middle finger, C8 from ring finger up side of hand, T1 up inside arm to above elbow, & T2 up inside of arm past armpit.
  34. 34What movements is Myotome C5 responsible for?x2 Joints
    Shoulder abduction & external rotation
    Elbow flexion
  35. 35What movements are is Myotome C6 responsible for?x4 Joints
    Shoulder Adduction and Medial (internal) rotation
    Elbow flexion
    Supination of RU joint
    Flexion and extension of wrist
  36. 36What movements is Myotome C7 responsible for?x 5 Joints
    Shoulder adduction & Internal rotation
    Elbow extension
    Pronation of RU joint
    Flexion and extension of wrist
    Flexion and extension of digits
  37. 37What movements is Myotome C8 responsible for?x 5 Joints
    Shoulder adduction & internal rotation
    Elbow extension
    Pronation of RU joint
    Flexion & extension of digits
    Opposition, adduction and abduction of digits
  38. 38What movements is Myotome T1 responsible for?x1 Joint
    Opposition, adduction and abduction of the digits.
  39. 39How many wrist flexors are there, and what are they?x3
    Flexor Carpi Radialis
    Flexor Carpi Ulnaris
    Palmaris Longus
  40. 40How many wrist extensors are there, and what are they?x3
    Extensor carpi ulnaris
    Extensor Carpi radialis brevis
    Extensor carpi radialis longus
  41. 41How many finger (not thumb) flexors are there, and what are they?x2 External
    Flexor Digitorum Superficialis
    Flexor Digitorum Profundus
    Internal x2:
    Lumbricals and PI and DI (for MCP joints)
    Flexor Digiti Minimi (for little finger)
  42. 42How many finger (not thumb) extensors are there, and what are they?x3
    Extensor Digitorum
    Extensor Digiti Minimi
    Extensor Indices
    Internal:
    Lumbricals, PI and DI (for PIP & DIP joints)
  43. 43How many thumb flexors are there?x1 external
    x1 internal
  44. 44How many thumb extensors are there?x2 external
    No internal
  45. 45How many external thumb abductors and adductors are there?1 abductor for external and 1 for internal
    0 adductors externally
    (1 internal thumb adductor)
  46. 46What are the synergists during (only) wrist flexion?Flexor Carpi Ulnaris
    &
    Flexor Carpi Radialis
  47. 47What are the synergists during (only) wrist extension?Extensor Carpi Ulnaris
    &
    Extensor Carpi Radialis Brevis
    &
    Extensor Carpi Radialis Longus
  48. 48What are the synergists during (only) wrist ulnar deviation?Extensor Carpi Ulnaris
    &
    Flexor Carpi Ulnaris
  49. 49What are the synergists during (only) wrist radial deviation?Flexor Carpi Radialis
    &
    Extensor Carpi Radialis Brevis & Longus

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Flashcards on Anatomy Revision, created by Liz Fanning on 05/06/2022.
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Liz Fanning
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