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Gross Anatomy Summer > Mucles of anterior compartment of arm > Flashcards

Mucles of anterior compartment of arm Flashcards

0
Q

Insertion of Flexor digitorum superficialis

A

Shafts of middle phalanges of medial 4 digits

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1
Q

Origin of Flexor digitorum superficialis (intermediate layer)

A

Humero-ulnar head: medial epicondyle of humerus and coronoid process of ulna
Radial head: oblique line of radius

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2
Q

Innervation of Flexor digitorum superficialis

A

Median nerve C7 C8 T1

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3
Q

Action of Flexor Digitorum Superficialis

A

Flex wrist
Flex proximal interphalangeal joint of middle 4 digits
Also flexes proximal phalanges at metacarpophalageal joint

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4
Q

Origin of Flexor digitorum profundus

A

Proximal three quarters of medial and anterior surface of ulna and interosseous membrane

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5
Q

insertion of Flexor digitorum profundus

A

Bases of distal phalanges of 2nd 3rd 4th and 5th digit

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6
Q

Innervation of Flexor digitorum profundus

A 
Lateral part(digit 2 and 3): Median nerve (C8 T1) 
Medial part (digits 4 and 5) ulnar nerve C8 T1
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7
Q

Action of Flexor digitorum profundus

A

Flexes wrist joint
Flexes distal interphalangeal joint of digits 2 3 4 5
Assist wrist with flexion

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8
Q

Origin of Flexor Pollicis Longus

A

Anterior surface of radius and adjacent interosseous membrane

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9
Q

Insertion of Flexor Pollicis Longus

A

Base of distal phalanx of thumb

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10
Q

Innervation of Flexor Pollicis Longus

A

Anterior interosseous nerve C8 T1

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11
Q

Action of Flexor Pollicis Longus

A

Flex wrist

Flex metacarpophalangel and interphalangeal joints of thumb

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12
Q

Origin of Pronators quadratus

A

Distal quarter of anterior surface of ulna

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13
Q

Insertion of Pronator Quadratus

A

Distal quarter of anterior surface of radius

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14
Q

Inervation of Pronator quadratus

A

Anterior interosseous nerve from median nerve C8 T1

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15
Q

Action of Pronator Quadratus

A

Pronates forearm

Deep fibers bind radius and ulna together

Gross Anatomy Summer (5 decks)

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