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Anatomy Course : ) > Week 3 Lecture 4 > Flashcards

Week 3 Lecture 4 Flashcards

1
Q

Interosseous

A

a strong tissue that holds the ulna and the radius together

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2
Q

What are the Carpal bones in the wrist? (8) Wrist Osteology

A

So Long To Pinky, Here Comes the Thumb

Scaphoid: boat
Lunate: crescent
Pisiform: pea
Hamate: hook
Capitate: head-shaped
Trapezoid: quadrilateral
Trapezium: table

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3
Q

What are the bones of the hand? Hand Osteology

A

Carpals
Metacarpals (1-5)
Proximal Phalages (1-5)
Intermediate Phalanges (2-5)
Distal Phalanges (1-5)

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4
Q

What are the types of joints in the upper arm?

A

Elbow Joint, Radioulnar Joint, Radiocarpal Joint, Metacarpophalangeal (MP) joints: Interphalangeal (IP) Joints (proximal and distal)

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5
Q

Do the metacarpophalangeal abduction and adduction using your hands?

A

.

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6
Q

Do the flexion and extension (metacarpophalangeal and interphalangeal joints)?

A

.

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7
Q

What are the 3 layers of the forearm ?

A

Superficial, Intermediate, Deep

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8
Q

What are the muscles in the superficial layer?

A

Pronator Teres, Flexor Carpi Radialis, Palmaris Longus, Flexor Carpi Ulnaris

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9
Q

What is the function of the Pronator Teres?

A

Pronation and elbow flexion

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10
Q

Pronator Teres Orgin?

A

Medical epicondyle of humerus

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11
Q

Pronator Teres Insertion

A

Middle lateral surface of radius

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12
Q

Flexor Carpi Radialis Function

A

Wrist Flexion and abduction (radial deviation)

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13
Q

Flexor Carpi Radialis Origin

A

Medial epicondyle

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14
Q

Flexor Carpi Radialis Insertion:

A

Base of 2nd metacarpal

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15
Q

Palmaris Longus Function

A

Tightens Palmar aponurosis and flexes wrist
- vestigial structure

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16
Q

Palmaris Longus Origin

A

Medial Epicondyle of Humerus

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17
Q

Palmaris Longus Insertion

A

Distal half of flexor retinaculum and palmar aponeurosis

18
Q

Flexor Carpi Ulnaris Function

A

Wrist Flexion and adduction (ulnar deviation)

19
Q

Flexor Carpi Ulnaris Origin

A

CFO: Medial Epicondyle of Humerus

20
Q

Flexor Carpi Ulnaris Insertion

A

Pisiform, Hamate, 5th metacarpal

21
Q

Flexor Digitorium Superficialis Function

A

Flexion of phlanges at the proximal IP joint and the MP joint

22
Q

Flexor Digitorium Superficialis Origin

A

Humero-ulnar division: CFO: medial epicondyle, coronoid process of ulnar, ulnar collateral ligament
Radial division: proximal half of anterior border of radius

23
Q

Flexor Digitorum superficialis Insertion

A

Bodies of middle phalanges 2-5
* it forks and does not go to tips or fingers

24
Q

Deep Layer Muscles

A

Flexor Digitorium Profundus, Flexor Pollicus Longus, Pronator Quadratus

25
Q

Flexor Digitorum Profundus Function

A

Flexion of the phalanges at the Metacarpophalangeal joint and proximal and distal interphalangeal joints

26
Q

Flexor Digitorum Profundus Origin

A

Proximal 3/4 of medial and anteriro surface of ulna and the interosseus membrane

27
Q

Flexor Digitorum Profundus Insertion

A

Bases of the distal phalanges of digits 2-5

28
Q

Flexor Pollicis Longus Function

A

Flexion of the thumb

29
Q

Flexor Pollicis Longus Origin

A

Anterior surface of radius and adjacent interosseous membrane

30
Q

Flexor Pollicis Longus Insertion

A

Bases of distal phalanx of thumb

31
Q

Pronator Quadratus Function

A

Pronates forearm, deep fibers bind radius and ulna together

32
Q

Pronator Quadratus Origin

A

Distal 1/4 of anterior surface of radius

33
Q

3 wrist flexors:

A

Flexor carpi radialis, Palmaris Longus, Flexor Carpi Ulnaris

34
Q

3 finger flexors

A

Flexor Digitorum Superficialis, Flexor Digitorum Profoundus, Flexor Pollicis Longus

35
Q

2 Pronators

A

Protantor Quadratus, Protonator Teres

36
Q

Median Nerve (6.5)

A

Protonator Teres, Palmaris Longus, Flexor Carpi Radialis, Flexor Digitorum Superficialis, Flor Pollicus Longus, Pronator Quadratus, Flexor Digitorum Profundus

37
Q

Ulnar Nerve

A

Flexor Carpi Ulnaris, Flexor Digitorum Profundus

38
Q

What is the Carpal Tunnel?

A

A space in the wrist where tendons and nerves pass through.
Narrow Pathway found on the anterior portion of the wrist
* ulnar nerve does not go through here

39
Q

What is the Flexor Retinaculum?

A

A band of tissue that covers the carpal tunnel and keeps the tendons in place.
* responsible for holding the tendons of the Flexor Digitorum Superficialis and Flexor Digitorum Profundus

40
Q

Carpal Tunnel Syndrome

A

Inflammation of tendons may cause median nerve compression and irritation

Anatomy Course : ) (10 decks)

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