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Anatomy 2 > Elbow, Anterior Forearm Muscles > Flashcards

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
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2
Q

Brachioradialis PA

A

lateral supra-epicondylar ridge of humerus

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3
Q

Brachioradialis DA

A

distal lateral radius (proximal to styloid process)

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4
Q

Brachioradialis Innervation

A

radial nerve (C5, C6, C7)

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5
Q

Anconeus Action

A
  • assist triceps w/ forearm extension
  • stabilize elbow joint
  • may abduct ulna during pronation
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6
Q

Anconeus PA

A

lateral epicondyle of humerus

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7
Q

Anconeus DA

A

lateral olecranon

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8
Q

Anconeus Innervation

A

radial nerve (C7, C8, T1)

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9
Q

Supinator Action

A

supinate forearm

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10
Q

Supinator PA

A

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

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11
Q

Supinator DA

A

lateral radius

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12
Q

Supinator Innervation

A

PIN of radial nerve (C7, C8)

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13
Q

Pronator Teres Action

A
  • pronate forearm
  • assists to flex elbow
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14
Q

Pronator Teres PA

A

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

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15
Q

Pronator Teres DA

A

middle radius

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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)

Anatomy 2 (11 decks)

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