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Muscles Of The Forearm Flashcards

1
Q

Olecranon fits in at?

A

Olecranon fossa

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2
Q

Capitulum articulates with?

A

Head of radius

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3
Q

Radios are joints are what kind of joints?

A

Synovial pivot, helping with supination and pronation

Uniaxel

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4
Q

Which ligaments in the elbow joint?

A

Annular ligament- surrounding head of radius
Ulnar collateral
Radial collateral

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5
Q

Pollicis refers to?

A

Thumb

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6
Q

Superficial muscles flexor origin?

A

Pronator teres
Flexor carpi radialis
Palmaris longus- long tendon/ not always present
Flexor carpi ulnaris

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7
Q

Intermediate layer?

A

Flexor digitorum superficialis

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8
Q

Deep layer flexors?

A

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

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9
Q

Superficial layer extensor?

A

Extensor carpi radialis longus/ brevis
Extensor digitorum
Extensor digiti minimi

Brachiradialis
Aconeus

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10
Q

What does anconeus do?

A

Stabilise elbow

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11
Q

Anatomical snuff box?

A

Abductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis

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12
Q

Abduction, radial deviation?

A

Flexor carpi radialis

Extensor carpi radialis (longus and brevis)

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13
Q

Adduction, ulnar radiation?

A

Flexor carpi ulnaris

Extensor carpi ulnaris

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14
Q

What prevents bowing of tendons?

A

Extensor/ Flexor retinaculum

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15
Q

Flexor retinaculum is called?

A

Transverse carpal ligament

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16
Q

Flexor digitorum profundus passes through?

A

Two slips of flexor digitorum superficialis

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17
Q

Cubital fossa borders and contents?

A

Medial border of brachioradialis
Lateral border of pronator teres

Biceps tendon
Radial nerve
Brachial artery
Median nerve

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18
Q

Why should you be careful when doing venepuncture of median cubital vein?

A

Brachial artery under aponeurosis

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19
Q

Anterior

A

Deep complex of flexor compartment

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20
Q

Ulnar nerve supplies?

A

Flexor carpi ulnaris flexor digitorum profundus
Medial half
Intrinsic muscles of hand

Sensory- medial side of hand 1/2 d4 and d5

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21
Q

Thenar muscles are supplied by?

A

Median nerve

22
Q

Musculocutaneous pierces?

A

Coracobrachialis

23
Q

In the superficial layer of the forearm what are the muscles?

A

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

24
Q

What is golfers elbow?

A

Inflammation of tendons at medial epicondyle due to overuse and excessive gripping

25
Q

Attachment of superficial flexors?

A

Medial epicondyle to metacarpals and pisiform and hamate

26
Q

Flexor digitorum superficialis origin and insertion?

A

Medial epicondyle to middle phalanges

27
Q

Deep layer muscles?

A

Flexor pollicis longus
Flexor digitorum profundus
Pronator quadratus

28
Q

Origin and insertion of flexor pollicis longus?

A

Origin- anterior surface of radius and interosseous membrane

Insertion- palmar surface of distal phalanx of thumb

29
Q

Flexor digitorum profundus origin and insertion?

A

Ulna anterior surface and interosseous membrane to palmar surface of distal phalanges 2-5

30
Q

Superficial layer of extensors in forearm?

A

Extensor carpi radialis brevis and longus
Extensor digitorum
Extensor digitorum minimi
Extensor carpi ulnaris

31
Q

Origin and insertion of extensor carpi radialis brevis and longus?

A

Supracondylar ridge to base of 2nd metacarpals

32
Q

What is tennis elbow?

A

Lateral epicondylitis

Overuse and forceful extension

33
Q

Aconeus role insertion and origin?

A

Lateral epicondyle of humerus

Lateral surface of olecranon

Stabilises elbow

34
Q

Origin and insertion of brachioradialis?

A

Lateral supacondylar ridge to styloid process of radius

Flexor when halo pronated

35
Q

Anatomical snuff box?

A

Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus

36
Q

Abduction radial deviation is by?

A

Flexor carpi radialis

Extensor carpi radialis brevis and longus

37
Q

Adduction or ulnar deviation is done by?

A

Flexor carpi ulnaris

Extensor carpi ulnaris

38
Q

Muscles of supination?

A

Biceps brachii

Supinator

39
Q

What is role of extensor retinaculum?

A

Prevents bowing of tendons

Separates tendons into compartments

40
Q

Median nerve lies between?

A

Fdp and fds

41
Q

Branch of median nerve is?

A

Anterior interosseous nerve to deep flexors

42
Q

Median nerve supplies?

A

Anterior compartment of muscles motor except flexor carpi ulnaris, medial pastry of fdp
Lateral hand muscle

Sensory;lateral palm d1 D2 d3 1/2 d4

43
Q

Radial nerve branches?

A
  1. Superficial- under brachioradialis winds to dorsum of hand
  2. Deep branch- posterior interosseous nerve motor. Passes through supiantor to enter extensor compartment
44
Q

What process is on ulna?

45
Q

Brachioradialis is from?

A

Supracondylar ridge to the styloid process of the radius

46
Q

Muscles involved in supination?

A

Supinator

Biceps brachii

47
Q

Muscles involved in pronation?

A

Pronator teres

Pronator quadratus

48
Q

Median nerve sits between?

A

Flexor digitorum profundus

Flexor digitorum superficialis

49
Q

Median nerve gives off a branch?

A

Anterior interosseous nerve- deep flexors

50
Q

Carpal tunnel syndrome associated with?

A

Pregnancy obesity and pregnancy

51
Q

Ulnar nerve has what syndrome?

A

Cubital tunnel syndrome

52
Q

Deep branch of radial nerve?

A

Posterior interosseous nerve- motor, passes through supinator

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