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Anatomy > Anterior Forearm Muscles > Flashcards

Anterior Forearm Muscles Flashcards

1
Q

Pronator Teres Origin

A

Humeral Head: Medial Epicondyle of the humerus with the adjacent portion of the supracondylar ridge through the common flexor tendon (CFT

Ulnar Head: Medial margin of the coronoid process of the ulna

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2
Q

Pronator Teres Insertion

A

Lateral surface of the radius, mid shaft

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3
Q

Pronator Teres Innervation

A

Median nerve (C6/C7)

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4
Q

Pronator Teres Action

A

Forearm pronation, Forarm flexion (weak)

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5
Q

Flexor Carpi Radialis Origin

A

Medial epicondyle of the humerus through the common flexor tendon (CFT)

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6
Q

Flexor Carpi Radialis Insertion

A

Base of 2nd and 3rd metacarpal bones (palmar side)

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7
Q

Flexor Carpi Radialis Innervation

A

Medial Nerve (C6/C7)

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8
Q

Flexor Carpi Radialis Action:

A

Wrist flexion, radial deviation (wrist abduction)

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9
Q

Palmaris Longus Origin

A

Medial Epicondyle of humerus through common flexor tendon (CFT)

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10
Q

Palmaris Longus Insertion

A

Palmar aponeurosis

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11
Q

Palmaris Longus Innervation

A

Median Nerve (C7/C8)

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12
Q

Palmaris Longus Action

A

Tenses Palmar fascia, assists wrist flexion

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13
Q

Flexor Carpi Ulnaris Origin

A

Humeral Head medial epicondyle through the common flexor tendon (CFT)

Ulnar Head: Medial border of olecranon process and posterior border of the ulna (upper 2/3) by common aponeurosis

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14
Q

Flexor Carpi Ulnaris Insertion

A

Pisisform bone, hook of hamate (by pisohamate ligament) and base of 5th metacarpal ligament (by pisometacarpal ligament)

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15
Q

Flexor Carpi Ulnaris Innervation

A

Ulnar nerve (C7/C8/T1)

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16
Q

Flexor Carpi Ulnaris Action

A

Wrist flexion, ulnar deviation (wrist adduction

17
Q

Flexor Digitorum Superficialis Origin

A

Humeral Head: Medial epicondyle of the humerson through the common flexor tendon (CFT)

Ulnar Head: Medial surface of the coronoid process of the ulna and the ulnar collateral ligament (soft attachment)

Radial Head: Anterior oblique line of the radius

18
Q

Flexor Digitorum Superficialis Insertion

A

sides of the shafts of middle phalanges of fingers 2-5 by split tendons

19
Q

Flexor Digitorum Superficialis Innervation

A

Median Nerve (C8-T1)

20
Q

Flexor Digitorum Superficialis Action

A

Finger Flexion at MP and proximal IP joints of fingers 2-5; wrist flexion

21
Q

Flexor Digitorum Profundus Origin

A

proximal 3/4 of the medial and anterior surface of the ulna and medial surface of the coronoid process, dorsal border of the ulna by common aponeurosis, medial half of the interosseous membrane

22
Q

Flexor Digitorum Profundus insertion

A

palmar surface, base of distal phalanges of fingers 2-5

23
Q

Flexor Digitorum Profundus innervation

A

Lateral half: anterior interosseous Nerve (AIN) branch of the median nerve

Medial half: Ulnar Nerve (C8/T1)

24
Q

Flexor Pollicis Longus Origin

A

anterior surface of the radius (middle third) distal to oblique line, and lateral half of the interosseous membrane

25
Q

Flexor Pollicis Longus Insertion

A

palmar surface, base, distal phalanx of thumb

26
Q

Flexor Pollicis Longus Innervation

A

AIN (C7/C8)

27
Q

Flexor Pollicis Longus Action

A

Thumb flexion at MCP, and IP joints; Weak wrist flexion

28
Q

Pronator Quadratus Origin

A

Linear ridge on distal anteriors surface of ulna

29
Q

Pronator Quadratus Insertion

A

distal 4th of the anterior surface of the radius

30
Q

Pronator Quadratus Innervation

A

Anterior interosseous nerve (AIN), (C7/C8)

31
Q

Pronator Quadratus Action

A

Forarm Pronation

32
Q

Flexor Digitorum Profundus Action

A

Finger flexion at MP, PIP and DIP joints of fingers 2-5; Wrist Flexion

Anatomy (18 decks)

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