Elbow, cubital fossa, and forearm Flashcards
(121 cards)
1
Q
Trochlear notch of ulna & trochlea of humerus +
Head of radius & capitulum of humerus
A
Elbow joint
2
Q
Head of radius &
Radial notch of ulna
A
Proximal radio-ulnar joint
3
Q
Motions of the true elbow joint
A
Hinge-like flexion and extension
4
Q
Motions of the Proximal radio-ulnar joint
A
Pronation and Supination
5
Q
Found between synovial and fibrous membranes
A
fat pads
6
Q
around articular cartilage in the elbow
A
Synovial membrane
7
Q
Which ligament is considered to be extrinsic with the fibrous joint capsule
A
Anular ligament
8
Q
intrinsic ligaments and support flexion and extension.
A
Radial and ulnar collateral ligaments
9
Q
Elbow ligament that resists varus (from midline) forces
A
Radial Collateral (RCL)
10
Q
Elbow ligament that resists valgus (toward midline) forces
A
Ulnar Collateral (UCL)
11
Q
radial head subluxation
A
Nursemaid Elbow
12
Q
Forms from the axillary after crossing Teres majors
A
Brachial a
13
Q
Radial collateral artery
anastomoses around elbow with
A
Radial recurrent artery
14
Q
Middle collateral artery
anastomoses around elbow with
A
Recurrent interosseous artery
15
Q
Superior ulnar collateral artery
anastomoses around elbow with
A
Posterior ulnar recurrent artery
16
Q
Inferior ulnar collateral artery
anastomoses around elbow with
A
Anterior ulnar recurrent artery
17
Q
The lateral boundary of the cubital fossa is the
A
Brachioradialis muscle
18
Q
The medial boundary of the cubital fossa is the
A
Pronator teres muscle
19
Q
The floor of the cubital fossa is formed by the
A
brachialis muscle
20
Q
An imaginary line connects the medial and lateral epicondyles forms the
A
base of cubital fossa
21
Q
Your elbow put is
A
Cubital fossa
22
Q
located anterior to the elbow joint, is triangular, and transmits several notable structures
A
Cubital fossa
23
Q
originates on the lateral supra-epicondylar ridge of the humerus (the area just above the lateral epicondyle).
A
Brachioradialis muscle
24
Q
originates on the medial epicondyle of the humerus.
A
Pronator teres muscle
25
What do you use to remember the contents that are transmitted through the cubital fossa
TAN from lateral to medial
26
Contents of the cubital fossa
- Tendon of biceps brachii
- Brachial artery
- Median nerve
27
How does the median nerve leave the cubital fossa
Leaves through the 2 heads of pronator teres
28
deep to the brachioradialis muscle and around the area of the cubital fossa it splits into the superficial and deep branches
Radial nerve
29
Stays deep to brachiorandialis until it emerges at the wrist
Superficial brach of the radial nerve
30
Passes between the two heads of the supinator muscle to supply the muscles of the posterior compartment of the forearm.
Deep branch of the radial nerve
31
Passes posterior to the medial epicondyle of the humerus.
Ulnar nerve
32
Only major structures transmitted through the elbow that passes posteriorly
Ulnar nerve
33
What vein is often used for venipuncture
Medial cubital vein
34
A direct branch off the medial cord of the brachial plexus
Medial cutaneous nerve
35
The lateral cutaneous nerve of the forearm is the continuation of the
Musculocutaneous nerve
36
Terminal branch of the brachial plexus
Musculocutaneous nerve
37
The cephalic and basilic veins originate from the
Dorsal venous network on the dorsum of the hand
38
Communicating branch between cephalic vein and basilic vein
Median cubital vein
39
no valve and its position prevents rolling.
Blood draw from median cubital
40
Between the subcutaneous structures and the contents of the cubital fossa is the
Bicipital aponeurosis
41
provides some protection for the brachial artery and median nerve during venipuncture in the cubital fossa
Bicipital aponeurosis
42
the skin, superficial fascia, superficial veins, deep fascia and the bicipital aponeurosis.
Roof of the cubital fossa
43
Two bones for the forearm
Radius and ulna
44
Bone of forearm that is lateral
Radius
45
Is the distal radio-ulnar joint the wrist joint?
NO
46
Separate articulation between the radius, the articular disc over the ulna, the scaphoid, lunate, and triquetrum
The wrist
47
Allows for movement of the radius against the ulna during pronation and supination.
The proximal radio-ulnar joint
48
Separates the ulna from directly articulating in the wrist joint.
Articular disc
49
What type of tissue is the interosseous membrane
Dense regular connective tissue
50
What do the openings in the interosseous membrane allow for
Passage of vessels
51
aid in transferring force from the hand to radius to ulna to humerus.
Interosseous membrane
52
Will weakly flex the elbow, flex the wrist, flex the digits, and pronate the hand.
Muscles of the anterior compartment
53
Will weakly extend the elbow, extend the wrist, extend the digits, and supinate the hand.
Muscles of the posterior compartment
54
All muscles of the anterior compartment of the forearm are innervated by
The median nerve
55
All muscles of the anterior compartment of the forearm are innervated by the median nerve except for
Flexor carpi ulnaris and the medial half of flexor digitorum profundus.
56
What are the 4 muscles of the superficial layer of the forearm
- Pronator teres
- Flexor carpi radialis
- Palmaris longus
- Flexor carpi ulnaris
57
Common tendon where all 4 muscles of the superficial layer originate
Common tendon on the medial epicondyle of humerus
58
What is the flexor carpi ulnaris innervated by?
Ulnar nerve
59
Muscle of the superficial layer of anterior forearm
Pronator teres
60
What forms the medial border of the cubital fossa
Pronator teres
61
What is the action of the pronator teres?
Pronate the forearm
62
What innervates the pronator teres?
Median nerve
63
What is the action of Flexor carpi radialis?
Flexion and abduction of wrist
64
What is the innervation of Flexor carpi radialis?
Median nerve
65
What is the action of Palmaris longus?
Flex wrist and tense aponeurosis
66
How does the flexion of palmaris longus work?
Tenses the palm to help improve grip by resisting shearing forces
67
What is the innervation of Palmaris longus?
Median nerve
68
What muscle is absent is 15% of the population?
Palmaris longus
69
Muscle of the superficial layer that has two heads
Pronator teres
70
What passes between the two heads of pronator teres?
Median nerve
71
Action of pronator teres?
Pronate the forearm
72
Innervation of pronator teres
Median nerve
73
What is the action of the flexor carpi ulnaris
Flex and adduct the wrist
74
What innervates flexor carpi ulnaris
Ulnar nerve
75
Muscle of the intermediate layer of the anterior compartment of the forearm
Flexor digitorum superficialis
76
Muscle of the intermediate layer that has 2 heads
Flexor digitorum superficialis
77
2 muscle heads of Flexor digitorum superficialis give rise to
4 tendons
78
Where do the 4 tendons of Flexor digitorum superficialis insert
Phalanges of digits 2-5
79
quick flexion of proximal interphalangeal joints (PIPs) & metacarpophalangeal joints (MPs) of digits 2-5.
Action of flexor digitorum superficialis
80
What innervates the flexor digitorum superficialis
Median nerve
81
Diving deep between the two heads of the flexor digitorum superficialis are the
Ulnar artery and median nerve
82
Digits 2-3 are innervated by
Median nerve
83
Digits 4-5 are innervated by the
Ulnar nerve
84
Action of the Flexor pollicis longus
Flex the interphalangeal and MP joints
85
Innervation of the Flexor pollicis longus
Median nerve
86
Action of the pronator quadratus
Pronation
87
Innervation of the pronator quadratus
Median nerve
88
- tendons of flexor digitorum superficialis
- flexor digitorum profundus
- flexor pollicis longus
- the median nerve
What passes through the carpel tunnel
89
- Anconeus
- Brachioradialis
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor digitorum
- Extensor digiti minimi
- Extensor carpi ulnaris
Muscles of the superficial layers of the posterior compartment of the forearm
90
- Supinator
- Abductor pollicis longus
- Extensor pollicis brevis
- Extensor pollicis longus
- Extensor indicis
Muscles of the deep layer of the posterior compartment of the forearm
91
Generally the posterior compartment muscles are associated with
- Movement of the wrist joint
- Extensions of the digits
- Supination
92
Action of the brachioradialis
Accessory flexor at elbow
93
Innervation of brachioradialis
Radial nerve
94
Action of the anoconeus
-Accessory extensor at elbow joint
95
Innervation of aconeus
Radial nerve
96
Action of Extensor carpi radialis longus
Extends and abducts wrist
97
Innervation of Extensor carpi radialis longus
Radial nerve
98
Action of Extensor carpi radialis brevis
Extends and abducts wrist
99
Innervation of Extensor carpi radialis brevis
Radial nerve
100
Action of Extensory digitorum
Extends digits 2-5
101
Innervation of extensory digitorum
Radial nerve
102
Action of Extensor digiti minimi
Extend digit 5
103
Innervation of Extensor digiti minimi
Radial nerve
104
Action of Extensor carpi ulnaris
Extend and adduct wrist
105
Innervation of
| Extensor carpi ulnaris
Radial nerve
106
Action of supinator
Supination
107
Innervation of supinator
Radial nerve
108
- Abductor pollicis longus
- Extensor pollicis brevis
- Extensor pollicis longus
Outcropping muscles that act on thumb
109
Action of Abductor pollicis longus
Abducts 1st MP joint of thumb
110
Innervation of Abductor pollicis longus
Radial nerve
111
located within the hand in the thenar eminence
Abductor pollicis brevis
112
Action of Extensor pollicis brevis
Extend MP joint of 1st digit
113
Innervation of Extensor pollicis brevis
Radial nerve
114
Action of Extensor pollicis longus
Extends all joints of thumb
115
Innervation of Extensor pollicis longus
Radial nerve
116
Action of extensory indicis
Extends index finger
117
Innervation of extensory indicis
Radial nerve
118
Not one of the outcropping muscles, but is still a muscle of the deep layer.
Extensor indicis
119
not one of the outcropping muscles, but is still a muscle of the deep layer.
Carpel tunnel
120
enters forearm posterior to medial epicondyle (“funny bone”). Passes between the heads of flexor carpi ulnar and runs between that muscle and the lateral aspect of flexor digitorum profundus (innervating them both). It crosses the wrist superficially
Ulnar nerve
121
splits into deep (muscular) and superficial (cutaneous) branches
Radial nerve
