Muscles of the Upper Extremity: Flexor-Pronator Compartment of the Forearm Flashcards

1
Q

Pronator Teres Proximal Attachment

A

Humeral head: Common flexor tendon at the medial epicondyle of the humerus
Ulnar head: Coronoid process of the ulna

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2
Q

Pronator Teres Distal Attachment

A

Midway along the shaft of the radius

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3
Q

Pronator Teres Innervation

A

Median n. {C6,*C7]

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4
Q

Pronator Teres Action

A

Pronates the forearm
Assists with:
-Elbow flexion

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5
Q

Flexor Carpi Radialis Proximal Attachment

A

Common flexor tendon at the medial epicondyle of the humerus

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6
Q

Flexor Carpi Radialis Distal Attachment

A

Bases of metacarpals II and III

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7
Q

Flexor Carpi Radialis Innervation

A

Median n. [C6,*C7]

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8
Q

Flexor Carpi Radialis Action

A

Flexes the wrist
Abducts the wrist
Assists with:
-Elbow flexion

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9
Q

Palmaris Longus Proximal Attachment

A

Common flexor tendon at the medial epicondyle of the humerus

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10
Q

Palmaris Longus Distal Attachment

A

Palmar aponeurosis

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11
Q

Palmaris Longus Innervation

A

Median n. [C7,C8]

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12
Q

Palmaris Longus Action

A

Anchors the skin and fascia of the palm

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13
Q

Flexor Digitorum Superficialis Proximal Attachment

A

Humeroulnar head: Common flexor tendon at the medial epicondyle of the humerus and coronoid process of the ulna
Radial head: Proximal half of the anterior surface of the radius

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14
Q

Flexor Digitorum Superficialis Distal Attachment

A

Middle phalanx of digits II-V

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15
Q

Flexor Digitorum Superficialis Innervation

A

Median n. [*C8,T1]

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16
Q

Flexor Digitorum Superficialis Action

A

Flexes MCP & PIP joints of digits 2-5
Assists with:
-Wrist flexion

17
Q

Flexor Carpi Ulnaris Proximal Attachment

A

Humeral head: Common flexor tendon at the medial epicondyle of the humerus
Ulnar head: Olecranon process and posterior border of the ulna

18
Q

Flexor Carpi Ulnaris Distal Attachment

A

Pisiform, hamate, and 5th metacarpal

19
Q

Flexor Carpi Ulnaris Innervation

A

Ulnar n. [C7,*C8,T1]

20
Q

Flexor Carpi Ulnaris Action

A

Flexes the wrist
Adducts the wrist
Assists with:
-Elbow flexion

21
Q

Flexor Digitorum Profundus Proximal Attachment

A

Anterior surface of the ulna and adjacent interosseous membrane

22
Q

Flexor Digitorum Profundus Distal Attachment

A

Distal phalanx of digits II-V

23
Q

Flexor Digitorum Profundus Innervation

A

Median n. [*C8,T1] (to digits II-III)

Ulnar n. [C8,*T1] (to digits IV-V)

24
Q

Flexor Digitorum Profundus Action

A

Flexes MCP, PIP, & DIP joints of digits 2-5
Assists with:
-Wrist flexion

25
Flexor Pollicis Longus Proximal Attachment
Middle of anterior surface of the radius and interosseus membrane
26
Flexor Pollicis Longus Distal Attachment
Distal phalanx of the thumb
27
Flexor Pollicis Longus Innervation
Median n. [*C8,T1]
28
Flexor Pollicis Longus Action
Flexes CMC, MCP, & IP joints of the thumb Assists with: -Wrist flexion
29
Pronator Quadratus Proximal Attachment
Anterior surface of the distal ulna
30
Pronator Quadratus Distal Attachment
Anterior surface of the distal radius
31
Pronator Quadratus Innervation
Median n. [*C8, T1]
32
Pronator Quadratus Action
Pronates the forearm