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Clinical Anatomy I > Cubital Fossa & Anterior Forearm > Flashcards

Cubital Fossa & Anterior Forearm Flashcards

1
Q

Superficial layer of the Anterior compartment of the forearm

A

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

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2
Q

Pronator teres attachments

A

from… the medial epicondyle & ulnar coronoid process
to… lateral aspect of the radius

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3
Q

Pronator teres actions

A

pronates & flexes forearm

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4
Q

Pronator teres innervation

A

PNS: median nerve
CNS C6-7

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5
Q

Flexor carpi radialis attachments

A

from… the medial epicondyle (common flexor origin)
to… the palmar aspect of the base of the 2nd metacarpal

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6
Q

Flexor carpi radialis actions

A

flexes & abducts hand at wrist (radial deviation) & may assist in pronation of forearm & flexion of the elbow

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7
Q

Flexor carpi radialis innervation

A

PNS: median nerve
CNS: C6-8

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8
Q

Palmaris longus attachments

A

from… the medial epicondyle of the humerus (common flexor origin)
to… the palmar aponerousis

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9
Q

Palmaris longus actions

A

flexes hand at wrist & tenses palmar fascia

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10
Q

Palmaris longus innervations

A

PNS: median nerve
CNS: C7-8

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11
Q

Flexor carpi ulnaris attachments

A

from… the medial epicondyle (common flexor origin) of the humerus & proximal ulnar shaft
to… the pisiform

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12
Q

Flexor carpi ulnaris actions

A

flexes & adducts hand at wrist (ulnar deviation) & assists in flexion of the elbow

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13
Q

Flexor carpi ulnaris innervations

A

PNS: ulnar nerve
CNS: C7-T1

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14
Q

Intermediate layer of the Anterior compartment of the forearm

A

Flexor digitorum superficialis

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15
Q

Flexor digitorum superficialis attachments

A

from… the medial epicondyle (common flexor origin) of the humerus
to… the sides of the middle phalanges of digits 2-5

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16
Q

Flexor digitorum superficialis actions

A

flexion of digits (metacarpophalangeal & proximal interphalangeal), & hand at wrist

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17
Q

Flexor digitorum superficialis innervations

A

PNS: median nerve
CNS: C7-T1

18
Q

Deep layer of the Anterior compartment of the forearm

A

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

19
Q

Flexor digitorum profundus attachments

A

from… the anterior proximal two thirds of the ulna & interosseous membrane
to… the base of the distal phalanges of digits 2-5

20
Q

Flexor digitorum profundus actions

A

flexion of digits 2-5 (metacarpophalangeal & distal interphalangeal & proximal interphalangeal), & flexion of hand at wrist

21
Q

Flexor digitorum profundus innervations

A

PNS: median (anterior interosseous nerve; 2nd & 3rd digits) & ulnar (4th & 5th digits) nerves
CNS: C7-T1

22
Q

Flexor pollicis longus attachments

A

from… the anterior surface off the radius & interosseous membrane
to… the base of the distal phalanx of the thumb

23
Q

Flexor pollicis longus actions

A

flexes thumb (metacarpophalangeal & interphalangeal)

24
Q

Flexor pollicis longus innervations

A

PNS: median nerve (anterior interosseous nerve)
CNS: C7-T1

25
Q

Pronator quadratus attachments

A

from… the anterior surface of the distal ulna
to… the anterior surface of the distal radius

26
Q

Pronator quadratus actions

A

pronates the forearm

27
Q

Pronator quadratus innervations

A

PNS: median nerve (anterior interosseous nerve
CNS: C8-T1

28
Q

Median nerve muscular branches

A

Flexor carpi radialis
Palmaris longus
Flexor digitorum superficialis
Pronator teres
Flexor pollicis longus
Flexor digitorum profundus (lateral/radial portion)
Pronator quadratus
Lateral/radial two lumbricals

29
Q

Ulnar nerve muscular branches

A

Flexor carpi ulnaris
Flexor digitorum profundus (ulnar portion)

30
Q

Ulnar nerve deep muscular branches

A

Abductor digiti minimi
Flexor digiti minimi
Flexor pollicis brevis
Opponens digiti minimi
Palmar interossei
Dorsal interossei
Medial/ulnar two lumbricals
Adductor pollicis muscles

31
Q

Joints of the elbow

A

Humeroulnar, Humeroradial, Proximal Radio-ulnar

32
Q

Humeroulnar joint classification

33
Q

Humeroradial joint classification

34
Q

Proximal Radio-ulnar joint classification

35
Q

Ulnar collateral ligament function

A

resists excessive cubital valgus

36
Q

Ulnar collateral ligament attachments

A

from medial epicondyle to medial margin of coronoid process & olecranon
process

37
Q

Radial collateral ligament function

A

resists excessive cubital varus

38
Q

Radial collateral ligament attachments

A

from lateral epicondyle to anular ligament

39
Q

Anular ligament function

A

stabilizes proximal radioulnar joint

40
Q

Anular ligament attachments

A

from the anterior margin of the radial notch to posterior margin of radial notch surrounding head of radius

41
Q

Interosseous membrane ligament attachments

A

from interosseous border of radius to interosseous border of ulna

Clinical Anatomy I (44 decks)

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