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Muscle Origins, Insertions, Actions, Nerve supply, Arterial supply > Wrist Muscle Origin & Insertion > Flashcards

Wrist Muscle Origin & Insertion Flashcards

1
Q

Flexor Carpi Radialis

A

O: Medial Epicondyle of Humerus
I: Palmar Surface of Base of 2nd Metacarpal

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2
Q

Palmaris Longus

A

O: Medial Epicondyle of Humerus
I: Distal Palmar Aspect of Flexor Retinaculum & Palmar
Aponeurosis

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3
Q

Flexor Carpi Ulnaris

A

O: Medial Epicondyle of Humerus & Medial Margin of
Olecranon Process
I: Pisiform & Base of 5th Metacarpal

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4
Q

Extensor Carpi Radialis Longus

A

O: Lower 1/3 of Lateral Supracondylar Ridge & Lateral
Epicondyle
I: Dorsal Surface of Base of 2nd Metacarpal

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5
Q

Extensor Carpi Radialis Brevis

A

O: Lateral Epicondyle of Humerus
I: Dorsal Surface of Base of 3rd Metacarpal

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6
Q

Extensor Carpi Ulnaris

A

O: Lateral Epicondyle
I: Base of 5th Metacarpal

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7
Q

Flexor Digitorium Superficialis

A

O: Medial Epicondyle of Humerus
I: Anterior Surface of Middle Phalanges of Digits 2-5

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8
Q

Flexor Digitorum Profundus

A

O: Upper 3/4 of Medial and Lateral Aspects of Ulna
I: Base of Distal Phalnges of Digits 2-5

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9
Q

Extensor Digitorum Communis

A

O: Lateral Epicondyle
I: Dorsal Base of Middle Phalange Digits 2-5

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10
Q

Extensor Indicis Proprius

A

O: Distal Posterior Surface of Ulna
I: Ulnar Side of Extensor Digitorum Tendon to Index Finger

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11
Q

Extensor Digiti Minimi

A

O: Lateral Epicondyle
I: Dorsal Digital Expansion of 5th Digit

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12
Q

Dorsal Interosseous

A

O: 1st: Adjacent Side of 1st & 2nd Metacarpal
2nd: Adjacent Side of 2nd & 3rd Metacarpal
3rd: Adjacent Side of 3rd & 4th Metacarpal
4th : Adjacent Side of 4th & 5th Metacarpal
I: 1st : Base of Phalanx of Index Finger
2nd: Base of Proximal Phalanx of Middle Finger
3rd: Base of Proximal Phalanx of Middle Finger
4th: Proximal Phalanx of Ring Finger

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13
Q

Palmar Interosseous

A

O: 1st: Base of 1st Metacarpal Bone
2nd: Palmar Aspect of 2nd Metacarpal Bone
3rd: Palmar Aspect of 4th Metacarpal
4th: Palmar Aspect of 5th Metacarpal
I: All Insert into Dorsal Digital Expansions

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14
Q

Lumbricals

A

O: 1st: Radial and Palmar Surfaces of Tendons of Index and
Middle Finger
2nd: Radial and Palmar Surfaces of Tendons of Index
and Middle Finger
3rd: Adjacent Sides of Tendons of Middle and Ring
Fingers
4th: Adjacent Sides of Tendons of Ring and Little Finger
I: Radial Aspect of Dorsal Digital Expansions

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15
Q

Abductor Digiti Minimi

A

O: Pisiform Bone
I: Base of Proximal Phalanx of Little Finger

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16
Q

Opponens Digiti Minimi

A

O: Hook of Hamate
I: Palmar Surface of 5th Metacarpal Bone

17
Q

Flexor Digiti Minimi

A

O: Hook of Hamate
I: Base of Proximal Phalanx of Little Finger

18
Q

Flexor Pollicis Longus

A

O: Anterior Surface of Radius
I: Palmar Aspect of the Base of the Distal Phalanx of the
Thumb

19
Q

Flexor Pollicis Brevis

A

O: Superficial Head: Flexor Retinaculum and Tubercle of
Trapezium Bone
Deep Head: Capitate and Trapezoid
I: Radial Side of the Base of the Proximal Phalanx of the
Thumb

20
Q

Extensor Pollicis Longus

A

O: Middle 1/3 of the Posterolateral Aspect of the Ulna
I: Dorsal Aspect of the Base of the Distal Phalanx of the
Thumb

21
Q

Extensor Pollicis Brevis

A

O: Posterior Aspect of the Radius
I: Dorsal Aspect of the Proximal Phalanx of the Thumb

22
Q

Abductor Pollicis Longus

A

O: Posterior Aspect of Ulnar Shaft
I: Radial Aspect of the Base of the 1st Metacarpal Bone

23
Q

Abductor Pollicis Brevis

A

O: Tubercles of Trapezium and Scaphoid Bones
I: Radial Aspect of the Base of the Proximal Phalanx of the
Thumb

24
Q

Adductor Pollicis

A

O: Oblique Head: Capitate
Transverse Head: Distal 2/3 of the Palmar Surface of the
Shaft 3rd Metacarpal Bone
I: Ulnar Aspect of the Base of the Proximal Phalanx of the
Thumb

25
Q

Opponens Pollicis

A

O: Tubercle of Trapezium/Flexor Retinaculum
I: Lateral & Palmar Aspect of 1st Metacarpal Bone

Muscle Origins, Insertions, Actions, Nerve supply, Arterial supply (6 decks)

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