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Sectional Anatomy > Hand/Thumb/Fingers RAD 1 Info > Flashcards

Hand/Thumb/Fingers RAD 1 Info Flashcards

1
Q

How many bones are in the hand?

A

27

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2
Q

How many bones are in the phalanges?

A

14

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3
Q

How many bones are in the metacarpals?

A

5

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4
Q

How many carpals are in the wrist?

A

8

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5
Q

How many phalanges are there in digits 2-5?

A

3

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6
Q

How many phalanges are there in the thumb?

A

2

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7
Q

How are the phalanges named?

A

by location

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8
Q

What does each phalanx have?

A
  • Head
  • Body
  • Base
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9
Q

What do the metacarpals compose?

A

Palm of the hand

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10
Q

The heads of the metacarpals are _____

A

distal

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11
Q

What do the heads of metacarpals articulate with?

A

Phalanges

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12
Q

What are metacarpal heads known as?

A

Knuckles

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13
Q

The metacarpal bases are _____

A

proximal

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14
Q

What do metacarpal bases articulate with?

A

Carpals

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15
Q

How many rows of carpals are there?

A

2 (proximal & distal)

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16
Q

How many carpals are in each row?

A

4

17
Q

What carpals are in the proximal row?

A

(Lateral to Medial)
- Scaphoid
- Lunate
- Triquetrum
- Pisiform

18
Q

What carpals are in the distal row?

A

(Lateral to Medial)
- Trapezium
- Trapezoid
- Capitate
- Hamate

19
Q

What do the Interphalangeal joints articulate?

A

The phalanges

20
Q

How many IP joints are there in the thumb?

A

1

21
Q

How many IP joints are there in digits 2-5? What are they called?

A
  • 2
  • DIP & PIP
22
Q

What are the interphalangeal joints classified as?

A
  • Synovial
  • Diarthrotic
  • Freely movable joint
  • Hinge type
23
Q

What do the metacarpophalangeal joints articulate?

A

The heads of the metacarpals and the proximal phalanges

24
Q

What are the metacarpophalangeal joints classified as?

A
  • Synovial
  • Diarthrotic
  • Ellipsoidal type
25
Q

What do the carpometacarpal joints articulate?

A

The bases of the metacarpals and the carpal bones

26
Q

What is the 1st carpometacarpal joint classified as?

A
  • Synovial
  • Diarthrotic
  • Saddle type
27
Q

What is the 2nd-5th carpometacarpal joint classified as?

A

Gliding types

28
Q

What do the intercarpal joints articulate?

A

The carpal bones

29
Q

What are intercarpal joints classified as?

A
  • Synovial
  • Diarthrotic
  • Gliding type
30
Q

What do radiocarpal joints articulate?

A

The carpal and distal radius

31
Q

What is the radiocarpal joint classified as?

A
  • Synovial
  • Diarthrotic
  • Ellipsoidal type
32
Q

What is a bennett fracture?

A

Fracture at the base of the 1st metacarpal

33
Q

What is a boxers fracture?

A

Fracture at the metacarpal neck

Sectional Anatomy (25 decks)

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