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Upper Limb > Forearm > Flashcards

Forearm Flashcards

1
Q

Body of radius ?

A

Border:anterior,posterior,interosseous
Surface:anterior,posterior,lateral
Structures:oblique line at the anterior surface and roughening at the middle part for attachment of pronator tres muscle

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2
Q

Distal part of radius?

A

Lateral surface:styloid process
Posterior surface:dorsal tubercle (is like a قرقره for thumb extensor muscle )
Medial surface:ulnar notch
Looking from down to up :two articular facet;
Medial one :for lunate bone
Lateral one:for scaphoid

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3
Q

Body of ulna?

A

Borders:anterior,posterior,interosseous
Surface:anterior,medial,posterior
Structures:anterior:roughening for attachment of probator quadratus
Posterior:lines for attachment of muscles

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4
Q

Distal portion of ulna?

A

A round head with ulnar styloid process at the medial part

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5
Q

Distal radial ulnar joint?

A

Lets radius move forward and medial

A triangular artcular disc divides this joint from carpal bones

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6
Q

Interosseous memb?

A

At superior part has a window and at posterior part has an oval apeture (for passage of elements from anterior compartment to posterior
Collagen fibers orientation:jibi

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7
Q

What keeps forearm bones together while supination and pronation?

A

Radial anular ligament
Interosseous memb
Articular disc in distal radiulnar joint

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8
Q

Which muscles cause supination in wrist joint(hand)?

A

Biceps brachi and supinator

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9
Q

What muscles cause pronation of hand?

A

Pronator tres and probator quadratus

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10
Q

Pronator tres ?

A

Origin:medial epicondyl
Insertion:lateral surface of radius

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11
Q

Pronator quadratus?

A

Between ulna and radius bone

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12
Q

What is the main function of anterior compartment muscles?

A

Movment of wrost joint and flexion of digits and pronation

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13
Q

Nervation of anterior compartment of arm ?

A

Median nerve (be gheyr az flexor carpi ulnaris and medial half of deep flexor of digits )

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14
Q

What are superficial muscles of anterior compartment of fore arm?

A

Pronator tres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

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15
Q

Flexor carpi ulnaris?

A

Origin:humeral head:medial epicondyl
Ulnar head:olecranon and posterior surface of ulna
Insertion:pisiform bone then with pisiohamte and pisiometacarpal ligament attaches to hamate and metacarpal 5
Nerve:ulnar nerve (which passes from middle of two heads of this muscle )
Work:flexion and adduction of wrist joint

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16
Q

Palmaris longus?

A

Origin:medial epycondil
Insertion:palmar aponeurosis
Nerve:median nerve
Work:flexion of wrist joint and contraction of muscle while holding something

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17
Q

Flexor carpi radialis mucle?

A

Origin:medual epicondyl
Insertion:metacarpal bones 2 and 3
Nerve:median nerve
Work:flexion and abduction of wrist joint

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18
Q

Pronator tres muscle ?

A 
Origin:humeral:medial epicondyl
And suprasnpicondylar crest
Ulnar:medial part of conoid process 
Nerve:median nerve
Work:pronation of wrist joint
19
Q

What is the musce of intermediate layer of anterior compartment of forearm?

A

Flexor digitrum superficialis

20
Q

Flexor digitrum superficialis?

A

Orgin:humeral head:medial epicondyl
Radial head:onlique line
Ulnar artery and median nerve pass between these two heads
Insertion:4 tendon that attach to palmar surface of medial phalanx of index middle ring and small finger
Nerve:median nerve
Work:flexion of metacarpophalangial and proximal interphalangial joint and flexion of wrist joint

21
Q

Miscles of deep layer of anterior compartment of forearm?

A

Flexor digitrum profundus
Flexor pollicia longus
Pronator quadratus

22
Q

Flexor digitrum profundus?

A

Origin:ulnar head:anterior and posterior surface of ulna
Inter osseous memb head
Insertion:4 tendon which attach to distal phalanx of index and middle and ring and small finger
Nerve:index and middle : anterior interosseous nerve(from median nerve)
Ring and small :ulnar nerve
Work:flexion of metacarpophalangeal and distal interphalangeal and wrist joint

23
Q

Flexor policis longus?

A

Origin: anterior surface of radius and radial half of inter osseous memb
Insertion:distal phalanx of thumb
Nerve :anterior interosseous artery
Work:flexion of distal interphalangeal and metacarpo phalangeal joint

24
Q

Probator quadratus?

A

Origin:a tuberosity on the anterior surface of distal ulna
Insertion:anterior part of distal radius
Nerve:anterior interosseous artey
Work:pronation of wrist joint

25
Q

Radial artery braches?

A

Recurrent radial artery
Carpal palmar artery
Superfucial palmar artery (which gives anastomoses with superficial palmar arch of ulna)

26
Q

Radial artery feeds which parts of hand?

A

Thumb and lateral part of index finger

27
Q

Branches of upnar artery in hand and forearm?

A

Recurrent ulnar
common interosseous
Carpal palmar
Branches to prepheral muscles

28
Q

Posterior compartment of fore arm nerve?

A

Radial nerve

29
Q

Superficial muscles of posterior compartment of forearm?

A 
Brachioradialis 
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitrum
Extensor digitiminimi
Extensor carpi ulnaris
Oncaneous
30
Q

Brachioradialis muscle?

A

Origin:lateral supraepicondyl
Insertion:distal portion of radius near styloid process
Nerve:radial
Work:flexion of elbow joint while midpronation of forearm

31
Q

Extensor carpi radialis?

A

Origin:supraepicondylar creat and lateral epicondyl
Insertion:metacarp 2
Nerve:radial nerve (taghsim nashode)
Work:extension and abduction of wrist joint

32
Q

Extensor carpi radialis brevis ?

A

Origin:lateral epicondyl
Insertion:metacarp 2 and 3
Nerve:deep branch of radial nerve
Work:extension and abduction of wrist joint

33
Q

Extensor digitrum?

A

Origin:lateral epicondyl
Insertion:middle and distal phalanges of 4 fingers
Nerve:posterior inter osseous nerve (haman deep radial nerve)
Work:main extensor of fingers

34
Q

Extensor digiti minimi?

A

Origin:lateral epicondyl
Insertion:kolahake extensor small finger
Nerve:posterior interosseous nerve
Work:extension of small finger

35
Q

Extensor carpi ulnaris ?

A

Origin:lateral epicondyl
Insertion:5th metacarp
Nerve:posterior inter osseous nerve
Work:extension and abduction of wrist joint

36
Q

Anconeous?

A

Origin:lateral epicondyl
Insertion:posterior and lateral surface of olecranon and ulna
Nerve:radial branch which goes to triceps brachii
Work:abduction of ulna at pronation and extensor of wrist joint

37
Q

Mucles of deep layer of posterior compartment of fore arm?

A 
Supinator 
Abductor pollecis longus
Extensor pollecis brevis
Extensor pollecis longus 
Extensor indissis
38
Q

What gives nerves to all muscles of deep layer of posterior compartment of fore arm?

A

Posterior inter osseous nerve

39
Q

Supinator?

A

Orgin:two head:superficial:lateral epicondyl and anal ligameny and radial collateral ligament
Deep head:supinator crest on ulnar head
Insertion : superior part of oblique line on radius
Nerve:deep branch of radial
Work:supination of forearm and hand

40
Q

Abductor pollecis longus?

A

Origin:posterior surface of ulna and radius and inter osseous memb
Insertion:metacarp 1
Nerve:posterior inter osseous
Work:abduction of thimb in metacarpo carpal joint (metacarp 1 and trapezium)

41
Q

Extensor pollecis brevis?

A

Origin:radius and interosseous memb
Insertion:proximal phalanx of thumb
Nerve:posterior interosseous memb
Work:extension of carpometacarpal and metacarpo phalangeal joint

42
Q

Extensor pollecis longus?

A

Origin:ulna and interosseous memb
Insertion:distal phalanx of thumb(dore distal tubrcle of radius mizanad)
Nerve:posterior inter osseous nerve
Work:extension in all thumb joints

43
Q

Extensor indicis?

A

Origin:posterior surface of ulna and interosseous memb
Insertion:proximal phalanx of index finger
Nerve:posterior interosseous
Work:extension of index finger

Upper Limb (6 decks)

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