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Clinical Anatomy > Anatomy - Elbow & Medial Forearm - Flexors > Flashcards

Anatomy - Elbow & Medial Forearm - Flexors Flashcards

1
Q

Pronator Teres - Proximal Attachment(s)

A

Medial epicondyle, common flexor tendon, & coronoid process

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2
Q

Pronoator Teres - Distal Attachment(s)

A

Lateral surface of the middle radius

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3
Q

Pronoator Teres - Innervation

A

Median Nerve (C6, C7)

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4
Q

Pronator Teres - Action

A

Pronate forearm (stronger when elbow flexed) & assist with elbow flexion

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5
Q

Flexor Carpi Radialis - Proximal Attachment(s)

A

Medial epicondyle

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6
Q

Flexor Carpi Radialis - Distal Attachment(s)

A

Palmar base of 2nd metacarpal

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7
Q

Flexor Carpi Radialis - Innervation

A

Median Nerve C6, C7

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8
Q

Flexor Carpi Radialis - Action

A

Radial deviation & wrist flexion (co-contraction with FCU)

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9
Q

Palmaris Longus - Proximal Attachment(s)

A

Medial epicondyle

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10
Q

Palmaris Longus - Distal Attachment(s)

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

Assist wrist flexion & tighten palmar aponeurosis

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13
Q

Flexor Carpi Ulnaris - Proximal Attachment(s)

A

Medial epicondyle

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14
Q

Flexor Carpi Ulnaris - Distal Attachment(s)

A

Pisiform, then via pisometacarpal ligament to hook of hamate, then to palmar base of 5th metacarpal

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15
Q

Flexor Carpi Ulnaris - Innervation

A

Ulnar Nerve C7, C8

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16
Q

Flexor Carpi Ulnaris - Action

A

Ulnarly deviates & assists wrist flexion (co-contraction with FCR)

17
Q

Flexor Digitorum Superficialis - Proximal Attachment(s)

A

Medial epicondyle, MCL, coronoid process, & superior half of the anterior radius

18
Q

Flexor Digitorum Superficialis - Distal Attachment(s)

A

Splits & then inserts on the MPs of digits 2-5

19
Q

Flexor Digitorum Superficialis - Innervation

A

Median Nerve C7, C8, T1

20
Q

Flexor Digitorum Superficialis - Action

A

Flex PIPs and MCPs of 2-5, assist wrist flexion, & assist elbow flexion

21
Q

Flexor Digitorum Profundus - Proximal Attachment(s)

A

Proximal medial and anterior 3/4 of ulna and interosseous membrane

22
Q

Flexor Digitorum Profundus - Distal Attachment(s)

A

DPs of digits 2-5 after passing through FDS insertion split

23
Q

Flexor Digitorum Profundus - Innervation

A

Digits 2 & 3: Median Nerve

25
Q

Flexor Digitorum Profundus - Action

A

Flex DIPs (can assist in flexion of PIPs, & MCPs) of digits 2-5 & assist in wrist flexion (tendon to index independent; tendons to other 3 digits function as unit –> quadregia effect: one fails = all fail)

26
Q

Flexor Pollicis Longus - Proximal Attachment(s)

A

Anterior radius and adjacent IM

27
Q

Flexor Pollicis Longus - Distal Attachment(s)

A

Palmar surface of DP of 1st finger

28
Q

Flexor Pollicis Longus - Innervation

A

AIN (C8, T1)

29
Q

Flexor Pollicis Longus - Action

A

Flex 1st digit at IP and MCP joints

30
Q

Pronator Quadratus - Attachment(s)

A

Distal 1/4 anterior surface of radius & distal 1/4 anterior surface of ulna

31
Q

Pronator Quadratus - Innervation

A

AIN (C8, T1)

32
Q

Pronator Quadratus - Action

33
Q

Nursemaid’s Elbow

A

Dislocation of the radius out of the annular ligament (happens to children if lifted up by hand forcefully)

34
Q

Little Leaguer’s Elbow

A

Repetitive, micro trauma from valgus stress causes epiphysisitis of medial epicondylar epiphysis, epiphyseal plate fractures of the proximal radius, or avulsion of the medial epicondyle

35
Q

Compartment Syndrome

A

After injury –> swelling/bleeding can cause increased pressure in compartments of forearm; if higher than capillary pressure –> tissue ischemia (very painful), muscle tissue death and fibrosis, leading to Volkmann’s ischemic contracture

Clinical Anatomy (8 decks)

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