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Anatomy > upper limb > Flashcards

upper limb Flashcards

1
Q

borders of quadrilateral space

A

above teres minor
below teres major
medially long head tricps
lateral surgical neck fo the humerus

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2
Q

what splits the arm into the ant and post comp

A

intermuscular septa from deep branchial fascia

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3
Q

what r the muscles in the posterior compartment and how many

A

1 triceps brachii

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4
Q

heads of triceps brachii

A

long lateral and medial

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5
Q

what innervates triceps brachii

A

radial nerve

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6
Q

tendons of tricepts brachii

A

converge via a common tendon onto olecranon of the ulna

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7
Q

origin and action of long head of triceps brachii

A

infraglenoud tubercle
extends elbow
extends shoudler joint

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8
Q

origin and action of medial head of triceps brachii

A

posterior humerus, distal to radial groove

extends elbow

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9
Q

origin and action of lateral head of triceps brachii

A

posterior humerus, proximal to radial groove

extends the elbow

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10
Q

teres major vs minor and long head of triceps brachii

A

major passes behind but minor passes in front

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11
Q

roots of musculocutaneous nerve

A

C5-7

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12
Q

roots of axillary nerve

A

C5-6

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13
Q

roots of median nerve

A

C5-T1

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14
Q

roots of radial nerve

A

C5-T1

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15
Q

roots of ulnar nerve

A

C8-T1

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16
Q

name contents of cubital fossa medial to lateral (5)

A 
median nerve
brachial vein (splits into r and u)
brachial artery (splits into r and u)
biceps tendon
superficial radial nerve
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17
Q

borders of cubital fossa

A 
superior= line between epicondyles
medial= prontator teres
lateal= brachioradialis
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18
Q

what structures r on the posterior of the distal humerus (2)

A

olecranon fossa and trochlea

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19
Q

what structures r on the anterior of the distal humerus (4)

A

coronoid fossa
radial fossa
trochlea
capitulum

20
Q

what attaches to teh medial epicondyle of humerus and what compartment

A

flexors (ant comp muscles)

21
Q

what attaches to the lateral epicondyle of humerus and what compartment

A

extensors

posterior comp

22
Q

important structures on the radius (3)

A

head
neck
radial tuberosity

23
Q

important structures on the ulnar (4)

A

olecranaon
trochlear notch
radial notch
coronoid process

24
Q

what is the other action of the rhomboids

A

bring back the position of the rotated scapula back to normal

25
Q

what nerve runs posterior to the media epicondyle

A

ulna

26
Q

where can the radial nerve be found in the arm and what is this called

A

between posterior and anterior compartments on lateral side

spiral groove

27
Q

what r the structures on the scapula (4 fossa, 2 bone extensions)

A 
supraspinatus fossa
infraspinatus fossa
glenoid fossa
subscapularis fossa
acromium
coracoid process
28
Q

what r the deep structures of the cubital fossa (2)

A

brachial artery and median nerve

29
Q

what is the bicipital aponeurosis

A

fascial extension of biceps tendon

30
Q

function of bicipital aponeurosis

A

separates superficial veins and deep structures

31
Q

what r the anterior arm muscles

A

biceps brachii
brachialis
coracobrachialis

32
Q

what innervates the anterior arm muscles

A

musculocutaenous

33
Q

heads of biceps brachii

A

long and short

34
Q

attachment of long and short head of biceps brachii

A

long head- supraglenoid tubercle

short head- coracoid process

35
Q

INSERTION of long and short head of biceps brachii

A

common tendon on radial tuberosity of radius

36
Q

additional function of long head of biceps brachii

A

stabilises shoulder joint as it pierces that joint capsule of the shoulder joint

37
Q

action for biceps brachii (3)

A

flexes elbow and shoudler joint

powerful supinator of forearm when elbow is flexed

38
Q

position of brachialis in relation to biceps brachii

A

deep to biceps brachii

39
Q

attachment of brachilias

A

anterior aspect of lower half of shaft of humerus

40
Q

insertion of brachialis

A

ulnar tuberosity

41
Q

action of brachialis

A

powerful flexor of elbow joint

42
Q

attachment of coracobrachialis

A

coracoid process of scapula

43
Q

insertion of coracobrachialis

A

medial aspect of middle part of humerus

44
Q

action fo coracobrachialis

A

weak flexor of shoulder joint

45
Q

what 3 muscles originate from coracoid process

A

biceps short head
coracobrachialis
pectoralis minor

Anatomy (28 decks)

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