Forearm Flashcards

1
Q

Forearm anterior compartment has how many muscles?

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

All the forearm anterior muscles are innervated by what nerve? All except?

A

median

1.5 muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Forearm posterior compartment has how many muscles?

A

11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

All the posterior compartment muscles are innervated by the …nerve.

A

radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Anterior and posterior compartments of the forearm are separated by the …

A

interosseous membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Two major groups of the anterior forearm muscles

A

superficial

deep

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Superficial group forearm muscles

A
pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris
flexor digitorum superficialis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Deep group of forearm muscles

A

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The superficial group of forearm muscles attach via the medial epicondyle through a common …. and they all cross at the …joint.

A

flexor tendon

elbow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What muscle is a strong pronator?

A

pronator teres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What muscle flexes and radially deviates the wrist simultaneously?

A

flexor carpi radialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What muscle is absent in 17% caucasians?

A

palmaris longus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What muscle inserts on the pisiform and hook of hamate?

A

flexor carpi ulnaris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of flexor carpi ulnaris?

A

flex and adduct the hand/wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What nerve innervates the flexor carpi ulnaris?

A

ulnar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does the flexor digitorum superficialis do and what nerve innervates it?

A

flexes the proximal interphalangeal joint and median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where does the flexor digitorum profundus originate?

A

ulna and anterior interosseous membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the digitorum profundus do?

A

flexes the distal interphalangeal joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The lateral part of the digitorum profundus that serves the 2nd and 3rd digits, is innervated by .. nerve. The medial part that serves the 4th and 5th digits is innervated by the …nerve.

A

median

ulnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Flexor pollicis longus originates from..

A

radius and anterior interosseous membrane

21
Q

What is the only muscle that flexes the distal interphalangeal joint of the thumb?

A

flexor pollicis longus

22
Q

What nerve innervates the flexor pollicis longus?

23
Q

What does the pronator quadratus do?

A

pronates the forearm

24
Q

The ulnar nerve innervates the … muscle of the ….

A

flexor carpi ulnaris

flexor digitorum profundus

25
Muscular branch of the median nerve innervates all the ... muscles except the flexor carpi ulnaris and the medial half of FDP.
flexor forearm
26
Branches of the median nerve
anterior interosseous nerve palmar cutaneous branch of median nerve recurrent branch of median nerve
27
What is anterior interosseous syndrome?
inability to form an okay sign. There is an impairment of the innervation of flexor digitorium profundus and flexor pollicis longus muscle
28
The recurrent branch of the median nerve loops around the distal border of the ligament and supplies the 3... muscles.
thenar
29
The palmar carpal ligament is the continuation of the...
extensor reticulum
30
Median nerve injury sign
hand of benediction when asked to form a fist
31
Ulnar nerve continues in between the ... and ...
flexor carpi ulnaris | FDP
32
Ulnar canal or canal of guyon is a ...
groove between the pisiform and the hook of hamate bones
33
Muscular branches of the ulnar nerve supplies the...
flexor carpi ulnaris and the meidal/unlar half of the FDP
34
Ulnar nerve injury characterisitc
clawhand
35
Cubital tunnel syndrome
ulnar nerve compression by flexor carpi ulnaris muscle
36
Branches of the ulnar artery
anterior interosseous artery | posterior interosseous artery
37
Radial artery is used as a ....for the separation of the flexors and extensor of the forearm.
demarcation
38
3 lateral posterior forearm muscles
brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis
39
3 posterior forearm muscles for the thumb
abductor pollicis longus extensor pollicis brevis extensor pollicis longus
40
3 posterior forearm muscle for the digits
extensor digitorum extensor digiti minimi extensor indicis plus the extensor carpi ulnaris
41
Which muscle flexes the elbow joint: drinking muscle?
brachioradialis
42
What muscle extends, abducts, the wrist when clenching a fist?
extensor carpi radialis longus | and extensor carpi radialis brevis
43
Where is extensor carpi radialis in relation to brevis?
shorter nd deeper
44
Which muscle abducts and extends the thumb?
abductor pollicis longus
45
What muscle extends the thumb and forms the palmar border of the anatomical snuff box?
extensor pollicis brevis
46
What muscle adducts the thumb and forms the dorsal border of the anatomical snuff box?
extensor pollicis longus
47
Contents of the anatomical snuff box
extensor pollicis longus and brevis radial artery scaphoid
48
What muscle is the principle extensor of the medial/ulnar four digits?
extensor digitorum