Elbow, Anterior Forearm Muscles Flashcards

OINAs

1
Q

Brachioradialis Action

A
  • flex elbow in midpronated position
  • assist to pronate and supinate forearm when movements are restricted/from end range
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Brachioradialis PA

A

lateral supra-epicondylar ridge of humerus

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

Brachioradialis DA

A

distal lateral radius (proximal to styloid process)

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

Brachioradialis Innervation

A

radial nerve (C5, C6, C7)

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

Anconeus Action

A
  • assist triceps w/ forearm extension
  • stabilize elbow joint
  • may abduct ulna during pronation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Anconeus PA

A

lateral epicondyle of humerus

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

Anconeus DA

A

lateral olecranon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Anconeus Innervation

A

radial nerve (C7, C8, T1)

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

Supinator Action

A

supinate forearm

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

Supinator PA

A

lateral epicondyle of humerus, radial collateral ligament (RCL), annular ligament

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

Supinator DA

A

lateral radius

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

Supinator Innervation

A

PIN of radial nerve (C7, C8)

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

Pronator Teres Action

A
  • pronate forearm
  • assists to flex elbow
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Pronator Teres PA

A

medial epicondyle of humerus (common flexor tendon), coronoid process

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

Pronator Teres DA

A

middle radius

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

Pronator Teres Innervation

A

median nerve (C6, C7)

17
Q

Flexor Carpi Radialis Action

A
  • flex wrist
  • radial deviation (abduct hand at wrist)
18
Q

Flexor Carpi Radialis PA

A

medial epicondyle of humerus (common flexor origin)

19
Q

Flexor Carpi Radialis DA

A

bases of 2nd and 3rd metacarpals

20
Q

Flexor Carpi Radialis Innervation

A

median nerve (C6, C7)

21
Q

Palmaris Longus Action

A
  • tense palmar aponeurosis
  • flex wrist
22
Q

Palmaris Longus PA

A

medial epicondyle of humerus (common flexor origin)

23
Q

Palmaris Longus DA

A

flexor retinaculum, palmar aponeurosis

24
Q

Palmaris Longus Innervation

A

median nerve (C7, C8)

25
Q

Flexor Carpi Ulnaris Action

A
  • flex wrist
  • ulnar deviation (adducts hand at wrist)
26
Q

Flexor Carpi Ulnaris PA

A
  • humeral head: medial epicondyle of humerus (common flexor tendon)
  • ulnar head: posterior ulna
27
Q

Flexor Carpi Ulnaris DA

A

pisiform, hook of hamate, base of 5th metacarpal

28
Q

Flexor Carpi Ulnaris Innervation

A

ulnar nerve (C7, C8)

29
Q

Pronator Quadratus Action

A
  • pronate forearm
  • deep fibers bind radius and ulna together
30
Q

Pronator Quadratus PA

A

distal ulna

31
Q

Pronator Quadratus DA

A

distal radius

32
Q

Pronator Quadratus Innervation

A

median nerve (C8, T1)