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MBChB221 Musculoskeletal > Arm + Cubital Fossa > Flashcards

Arm + Cubital Fossa Flashcards

1
Q

Deltoid Origin

A

Anatomical Horseshoe (Clavicle, Acromion, Scap Spine)

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2
Q

Deltoid Insertion

A

Humerus’ Deltoid Tuberosity

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3
Q

Deltoid Nerve

A

Axillary

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4
Q

Deltoid Unipennate Parts

A

Posterior, Anteior

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5
Q

Deltoid Multipennate Part

A

Middle Fibres

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6
Q

Multipennate Meaning

A

Multiple tendons = very very strong

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7
Q

Deltoid Post Fibre Movement

A

Extends, externally rotates, abducts/adducts arm

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8
Q

Deltoid Ant Fibres Movement

A

Flexes, Internally Rotates, Abducts/Adducts Arm

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9
Q

Deltoid Middle FIbres Movement

A

Abducts Arm

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10
Q

Teres Major Origin

A

Scapula Inferior Angle

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11
Q

Teres Major Insertion

A

Intertubercular Groove

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12
Q

Teres Major Nerve

A

Lower Subscapular

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13
Q

Teres Major Movemnt

A

Internal Rotation

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14
Q

Shunt Muscles ROle

A

Prevent unwanted inferior movement of humeral head at the shoulder joint, during loading (ie carrying heavy stuff)

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15
Q

Shunt Muscles

A

Deltoid, Short Head Biceps, Coracobrachialis, Long Head Triceps

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16
Q

Intertubercular Groove Insertions

A

Pec Major - Lat Dorsi - Teres Major (gangbang)

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17
Q

Deltoid Tuberosity Med or Lat?

A

Lat

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18
Q

Flexor Compartment Arm Muscles

A

Biceps, Coracobrachialis, Brachialis

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19
Q

Flexor Compartment Arm Nerve

A

Musculocutaneous

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20
Q

Extensor Compartment Arm Muscles

A

Triceps, Anconeus

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21
Q

Extensor Compartment Arm Nerve

A

Radial

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22
Q

Biceps Brachii Nerve

A

Musculocutaneous

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23
Q

Biceps Brachii Origin

A
  1. Long Head = Supraglenoid Tubercle
  2. Short head = Coracoid
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24
Q

Biceps Brachii Insertion

A

Radial Tuberosity + Bicipital Aponeuroses

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25
Q

Biceps Brachii Movements

A

Flex Elbow + Shoulder, Supinator

26
Q

Brachialis Nerve

A

Musculocutaneous

27
Q

Brachialis Origin

A

Distal Humerus

28
Q

Brachialis Insertion

A

Ulna Tuberosity

29
Q

Brachialis Movement

A

Elbow Flexor

30
Q

Coracobrachialis Nerve

A

Musculocutaneous

31
Q

Coracobrachialis Origin

32
Q

Coracobrachialis Insertion

A

Opposite Deltoid Tuberosity on Humerus

33
Q

Coracobrachialis movement

A

Adduction and Flexion of shoulder

34
Q

Triceps Brachii Nerve

35
Q

Triceps Brachii Origin

A
  1. Long Head = Infraglenoid Tubercle
  2. Lat/med Head = Humerus
36
Q

Triceps Brachii Insertion

A

Ulna’s Olecranon

37
Q

Tricpes Brachii Movements

A

Extends elbow and shoulder, adducts shoulder

38
Q

Median Nerve Location Arm

A

Medial side, but travels towards midline (at midline by elbow)

39
Q

Musculocutaneous Nerve Location Arm

A

Laterally, through coracobrachialis

40
Q

Musculocutaneous Name after Innervating All Muscles

A

Lateral Cutaneous Nerve of Forearm

41
Q

Ulnar Nerve Location Arm

A

Travels medially, goes posterior through medial intermuscular septum, returns anterior at the medial epichondyle

42
Q

Axillary Nerve Location Arm

A

Leaves Axilla through Quadrangular Space and innervates its two muscles + Dermatome

43
Q

Radial Nerve Location Arm

A

Leaves Axilla trough triangular interval, travels down midline. Goes anterior through the lateral intermuscular septum and remains anterior by the start of the forearm region

44
Q

Triangular Space Borders

A

Teres minor (sup), Teres Major (inf), Long Head Triceps (lat), Scapula (med)

45
Q

Quadrangular Space Borders

A

Teres minor (sup), Teres Major (inf), Humerus (lat), Long Head Triceps (med)

46
Q

Triangular Interval Borders

A

Teres Major (sup), Long Head Triceps (med), Humerus (lat)

47
Q

Profunda Brachii Path

A

Branches from brachial artery at radial groove, goes deep and lateral

48
Q

Axillary Artery becomes brachial when

A

Teres major inf border

49
Q

Brachial artery branches into

A

Radial and ulnar at elbow, Profunda brachii at radial groove

50
Q

Recurrent Vessel

A

Flows along but reverse direction (U turn)

51
Q

Co-lateral Vessel

A

Flows alongside

52
Q

Cubital Fossa Location

A

Fossa of Elbow

53
Q

Cubital Fossa Sup Border

A

Line between Lateral and Medial Epichondyles

54
Q

Cubital Fossa Med Border

A

Pronator teres

55
Q

Cubital Fossa Lat Border

A

Brachioradialis

56
Q

Cubital Fossa Roof

A

Biceps Brachii Tendon

57
Q

Cubital Fossa Floor

A

Brachialis Tendon

58
Q

Cubital Fossa Components

A

Basilic and Cephalic Veins (Median Cubital Vein entirely in the cub fossa) and Musculocutaneous Nerve

59
Q

Cephalic Vein Med or Lat?

60
Q

Axillary -> Basilic vein when

A

Penetrating deep fascia

61
Q

Where IV drip

A

Cephalic Vein

MBChB221 Musculoskeletal (26 decks)

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