Class 2 Flashcards

1
Q

Where does the ulna connect with

A

Trochlea of humerus

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2
Q

Where doe radius connect

A

Capitulum

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3
Q

Where does olecranon of ulna connect

A

Olecranon fossa

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4
Q

What is above the trochlea

A

Coronoid fossa

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5
Q

What is above the capitulum

A

Radial fossa

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6
Q

How do you differentiate between epicondyles

A

Medial is larger and extends more

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7
Q

What runs between tuberosity

A

Intertubercular groove

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8
Q

What are the muscles of anterior arm

A

Biceps brachii
Coracobrachialis
Brachialis

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9
Q

What are the actions of biceps

A

Flexoin

Supination

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10
Q

What are the actions of other anterior arm muscles

A

Flexion

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11
Q

Wha nerve innervates anterior arm muscles

A

Musculcutaneous

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12
Q

Where does biceps attach

A

Long head - supraglenoid tubercle
Short head - coracoid process
Into radial tuberosity of radius

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13
Q

Where does carcobrachialis attach

A

Coracoid process - medial humerus

Found underneath detoid / biceps

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14
Q

Where does brachialis attach

A

Coronoid process of ulna + ulnar tuberosity

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15
Q

What artery supplies the arm

A

Brachial

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16
Q

How are the arteries in the arm broken up

A

Subclavian - axillary at 1st rib
Brachial at teres major
Radial and ulnar at cubital fossa

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17
Q

Course of median and ulnar nerve

A
Ulnar nerve - most medial 
Ulnar artery
Median nerve - very deep
Radial artery
Radial nerve - deep behind muscle
18
Q

What is the lymphatic drainage of the arm

A

Axillary lymph node

19
Q

Where does lymph from RUQ go

A

Right lymphatic duct

20
Q

Where does lymph from everywhere else go

A

Thoracic duct

21
Q

What would fracture of radial groove damage

A

Radial nerve

22
Q

What would fracture of medial epicondyle damage

A

Ulnar nerve

23
Q

What would surgical neck fracture damage

A

Axillary nerve

24
Q

What are the medial and lateral borders of cubital fossa

A
Medial = pronator teres
Lateral = brachioradialis
25
Q

What is the contents of the cubital fossa

A

Brachial artery branching
Radial nerve is deep
Ulnar nerve medial to radial artery

26
Q

What occupies the posterior arm

A

Triceps

Anaconeus

27
Q

What is the function of the posterior arm

A

Extension of elbow

28
Q

What is the arterial and nerve supply

A

Profunda brachii

Radial nerve

29
Q

Where does triceps insert

A

Olecranon process

30
Q

What is clinical of radial nerve injury

A

Wrist drop

31
Q

What type of joint is the elbow joint

A

Synovial hinge

32
Q

What movements occur at the elbow joint

A

Flexion

Extension

33
Q

What are the connections of the elbow joint

A

Trochlear notch of ulna + trochlea
Head of radius + capitulum
Olecranon into olecranon fossa

34
Q

What ligaments support the elbow joint

A

Medial collateral
Lateral collateral -
Annular

35
Q

What does annular do

A

Holds head of radius

36
Q

What does lateral collateral connect with

A

Lateral epicondyle - annular

37
Q

What does medial collateral connect with

A

Medial epicondyle -> coronoid process of ulna + olecranon

38
Q

What type of joint is radio-ulnar joint

A

Synovial pivot

Fibrous syndesmosis in the middle

39
Q

What are the proximal and distal attachments

A

Proximal
Radial notch of ulna and radial head

Distal
Ulnar notch of radius and ulnar head

40
Q

What allows supination

A

Biceps brachii

Supinator - very deep attached to bone

41
Q

What allows pornation

A

Pronator quadratas

Pronator teres

42
Q

Where is the coronoid process of the ulna

A

Anterior

Opposite olecranon