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GSSE Anatomy, Physiology, Pathology > Upper Limb > Flashcards

Upper Limb Flashcards

Learn the upper limb for MCQ

1
Q

Position of the breast

A

Midclavicular line, ribs 2-6

Nipple in 4th intercostal

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2
Q

Blood supply of the breast

A

Internal thoracic - 1st part of subclavian
Lateral thoracic - 2nd part of the axillary
Thoraco-acromial - 2nd part of the axillary
Intercostal - internal thoracic.

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3
Q

Origin of latissimus dorsi

A

Spines and supraspinous ligament T7 down to the sacrum, lumbar fascia, posterior third of iliac crest, last 4 ribs and inferior angle of scapula

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4
Q

Insertion of latissimus dorsi

A

Floor of Bicipital groove

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5
Q

Action of latissimus dorsi

A

Adducts, extends and medially rotates shoulder. Aids in inspiration and expiration

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6
Q

Lat dorsi n.

A

Thoracodorsal nerve

Posterior cord

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7
Q

Pec major o.

A

Medial half of clavicle, anterior and lateral manubrium, body of sternum, aponeurosis of ext. oblique, upper 7 costal cartilages

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8
Q

Pec major i.

A

Anterior lamina and lateral lip of bicipital groove, manurial fibres to intermediate lamina, posterior lamina

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9
Q

Pec major action.

A

Flexion, adduction, internal rotation

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10
Q

Pec major n.

A

Lateral and medial pectoral nerves - supplied by all 5 segments of the brachial plexus.

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11
Q

Deltoid o.

A

lateral third of the clavicle, acromion, spine of scapula as far as deltoid tubercle of scapula

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12
Q

Deltoid i.

A

Deltoid tubercle of humerus

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13
Q

Deltoid action

A

Abducts arm, anterior fibres flex and medially rotate. posterior fibres extend and laterally rotate.

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14
Q

Deltoid nerve supply

A

Axillary (C5,6 - posterior cord)

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15
Q

Teres major o.

A

Oval area on lower third lateral side of inferior angle of the scapula

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16
Q

Teres major i.

A

Medial lip of bicipital groove

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17
Q

Teres major a.

A

Medial rotation, adduction, stabilisation of shoulder

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18
Q

Teres major nerve

A

Lower subscapular - posterior cord (C5,C6)

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19
Q

Teres minor o.

A

Middle third lateral border of scapula

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20
Q

Teres minor i.

A

Inferior facet of greater tuberosity and joint capsule

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21
Q

Teres minor a.

A

Lateral rotation and stabilisation of shoulder

22
Q

Teres minor nerve

A

Axillary nerve (C5, 6 - posterior cord)

23
Q

Serratus anterior o.

A

Upper 8 ribs and intercostal

24
Q

Serratus anterior i.

A

Inner, medial border of scapula

25
Q

Serratus anterior action

A

Protracts and laterally rotates scapula

26
Q

Serratus anterior nerve

A

Long thoracic nerve (of Bell)

  • C5 to slips 1 and 2
  • C6 to slips 3 and 4
  • C7 to slips 5,6,7,8: crowded around lower tip of scapula (lateral rotation)
27
Q

Muscles of rotator cuff

A

Supraspinatus, subscapularis, infraspinatus, teres major

28
Q

Action of rotator cuff

A

Lateral rotation of the shoulder. Brace the head of the humerus against the glenoid

29
Q

Subscapularis o.

A

Medial ⅔ of sub scapular fossa

30
Q

Subscapularis i.

A

lesser tuberosity of humerus, half medial lip of bicipital groove and joint capsule

31
Q

Subscapularis action

A

Medial rotation and stabilisation of shoulder

32
Q

Subscapularis nerve

A

Upper and lower subscapular - posterior cord, C6,7

33
Q

Infraspinatus o.

A

medial ¾ infraspinous fossa and intermuscular septum

34
Q

Infraspinatus i.

A

Medial facet of greater tuberosity of humerus and joint capsule

35
Q

Infraspinatus action

A

Lateral rotation and stabilisation of the shoulder

36
Q

Infraspinatus nerve

A

Suprascapular nerve (C5,6 upper trunk)

37
Q

Supraspinatus o.

A

¾ supraspinous fossa and upper spine of scapula

38
Q

Supraspinatus i.

A

Superior facet of greater tuberosity of humerus and joint capsule

39
Q

Supraspinatus action

A

Abducts and stablises shoulder

40
Q

Supraspinatus nerve

A

Suprascapular (C5,6, upper trunk)

41
Q

Quadrangular space borders and contents

A

Teres major and subscapularis in POSTERIOR wall of axilla.
Laterally bounded by humerus and medially by long head of triceps.
Contents:
- Axillary nerve
- Posterior circumflex humeral artery and vein inferiorly.

42
Q

Triangular space

A

Between humerus and long head of triceps.

Contents: radial nerve and profunda brachii vessels.

43
Q

What pierces the clavipectoral fascia

A 
Passing inwards
- lymphatics from the infraclavicular nodes to the apical nodes. 
- Cephalic vein
Passing outwards
- Thoracoacromial vessels
- Lateral pectoral nerve.
44
Q

Posterior wall of the axilla

A

Subscapularis, teres major, latissimus dorsi

45
Q

Medial wall of the axilla

A

Serratus anterior to 4th rib

46
Q

Anterior wall of the axill

A

Pec major and minor, clavipectoral fascia

47
Q

Lateral wall of the axilla

A

Intertubercular (bicipital groove) and biceps tendon

48
Q

Floor of axilla

A

Axillary fascia

49
Q

Contents of axilla

A

Neurovascular bundle from the neck, long head of biceps, coracobrachialis, long thoracic nerve.

50
Q

Nerve to remember during axillary dissection and why

A

Intercostalbrachial nerve. Sensory - supplies variable amount of skin on inner aspect of axilla and upper arm.

51
Q

Nerve of the flexor compartment of the arm

A

Musculocutaneous nerve

GSSE Anatomy, Physiology, Pathology (2 decks)

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