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Anatomy > Arm/forearm > Flashcards

Arm/forearm Flashcards

1
Q

Biceps brachii

Action (2) (1 secondary)

A

Flexes and Supinates forearm

Flexes arm

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2
Q

Biceps brachii

Neurovasculature

A

Musculocutaneous n

brachial vessels

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3
Q

Coracobrachialis

neurovasculature

A

musculocutaneous n

Brachial vessels

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4
Q

Brachialis

Neurovasculature

A

radial and musculocutaneous nerve

Brachial vessels

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5
Q

Triceps brachii

action

A

extends forearm

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6
Q

Triceps brachii

Neurovasculature

A

Radial nerve

Deep brachial vessels

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7
Q

Cubital fossa

Contains (lateral to medial order)

A

Biceps brachii tendon
brachial artery
median n.

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8
Q

Major structure that does not pass thru cubital fossa

A

ulnar nerve (posterior to medial epicondyle of humerus)

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9
Q

Anterior compartment contains
3 motor
2 cuttaneous

A

ulnar, musculocutaneous, median

medial brachial, medial antebrachial cuttaneous

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10
Q

Long head of tricep action (3)

A

extend forearm

extend arm, adduct arm

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11
Q

Cubital fossa borders

A

Lateral: brachioradialis
Medial: pronator teres
Superior: line between humeral epicondyles
Floor: supinator and brachialis muscles

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12
Q

Muscles of deep posterior forearm innervated by

A

posterior interosseous nerve (continuation of radial)

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13
Q

Superficial muscles of anterior compartment

A

Flexor Carpi Ulnaris
Palmis Longus
Flexor carpi Radialis
Pronator Teres

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14
Q

Flexor Carpi Ulnaris

innervation

A

Ulnar nerve

only anterior SUPERFICIAL muscle..look at name

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15
Q

Flexor Carpi Ulnaris

Action

A

Flexor and adductor

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16
Q

Palmaris longus

Innervation

A

Median nerve

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17
Q

Palmaris longus

Action

A

Flexor

18
Q

Flexor Carpi Radialis
Whats special
Innervation

A

Landmark for radial pulse point

Median nerve

19
Q

Flexor carpi radialis

Action

A

Flexor and abductor

20
Q

Pronator Teres
Whats special
Innervation

A

Median nerve passes through the two heads

Median

21
Q

Pronator Teres

Action

A

pronates forearm

22
Q

Anterior forearm intermediate

A

Flexor Digitorum Superficialis

23
Q

Flexor digitorum superficialis
Innervation
Flexor of (2)

A

median nerve
Flexor of metacarpophalangeal joint
Flexor of proximal interphalangeal joint

24
Q

Anterior forearm deep muscles

A

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

25
Q

Flexor digitorum profundus

innervation

A

median & ulnar nerve

26
Q

Flexor digitorum profundus

flexor of

A

flexor of
metacarpophalangeal joint
Proximal and distal interphalangeal joints
wrist

27
Q

Flexor Pollicis longus

innervation

A

Median

28
Q

Flexor Pollicis longus

Flexor of

A

Flexor of thumb

29
Q

Pronator Quadratus

innervation

A

Median nerve

30
Q

Pronator Quadratus

Action

A

pronation

31
Q

Posterior Compartment forearm superficial muscles

A

Brachioradialis : flexor at elbow
Extensor Carpi Radialis Longus: extend abduct wrist
Extensor Carpi Radialis Brevis: extend abduct wrist
Extensor Digitorum: extend fingers and wrist
Extensor Digiti Minimi: extend little finger
Extensor Carpi Ulnaris: extend adduct wrist
Anconeus: abducts ulna, extend elbow

32
Q

Posterior compartment forearm deep

Innervation

A 
Supinator
Abductor Pollicis Longus
Extensor Pollicis Brevis
Extensor Pollicis Longus
Extensor Indicis
Posterior interosseous nerve
33
Q

Abductor Pollicis Longus

function

A

abducts carpometacarpal joint (thumb)

34
Q

Extensor Pollicis brevis

function

A

Extends metacarpophalangeal joint (thumb) and extends carpometacarpal joint

35
Q

Extensor pollicis longus

function

A

Extends interphalangeal joint (thumb), metacarpophalangeal and carpometacarpal joints (thumb)

36
Q

Extensor Indicis

A

Extends index finger

37
Q

Musculocutaneous

Supplies

A

supplies all of biceps brachii and medial part of brachialis

Emerges as lateral antebrachial cutaneous for skin of lateral forearm

38
Q

Median Nerve
Supplies
Except for
Continues as

A

Muscles responsible for flexion of wrist, metacarpophalangeal joints, and interphalangeal joints
Except for
Flexor Carpi Ulnaris
Medial part of Flexor digitorum profundus

Continues as palmar branch thru carpal tunnel to lateral hand

39
Q

Ulnar Nerve

Path

A

Runs in cubital tunnel bewteen medial epicondyle and olecranon
Dives deep into medal forearm
Continues over carpal tunnel to supply medial hand and deep muscles

40
Q

Radial nerve

Path

A

Radial groove of humerus between lateral and medial head of tricep
Continues between brachialis and brachioradialis

Supplies triceps and lateral brachialis (medial from musculocutaneous)

Superficial branch: skin of back of hand
Deep brnach: muscles of posterior forearm

Anatomy (13 decks)

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