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[ANA} Appendicular Skeleton > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

How many bones aare there in the upper limb

A

30 Bones

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2
Q

The upper limb is divided into 3

A

Arm
Forearm
Hand

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3
Q

The arm is also known as the

A

Brachium

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4
Q

The arm is located between the __ & __

A

Between the shoulder and the elbow

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5
Q

What is the largest and longest bone of the upper extremity

A

Humerus

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6
Q

The Humerus articulates with __ below

A

Radius & Ulna

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7
Q

The Humerus articulates with __ above

A

Scapula

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8
Q

Parts of the Humerus

A
  1. Head
  2. Greater & Lesser Tubercles
  3. Intertubercular Sulcus (Bicepital Groove)
  4. Anatomical Neck
  5. Deltoid Tuberosity
  6. Shaft
  7. Radial (Spiral) Groove
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9
Q

Which structures in the Humerus serve as attachment sites for different muscles

A

Greater & Lesser Tubercles

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10
Q

Neck of the humerus found adjacent to the head

A

Anatomical Neck

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11
Q

Neck of the humerus found between the head, tubercles, and the shaft

A

Surgical Neck

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12
Q

Area where the humerus usually fractures

A

Surgical Neck

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13
Q

Tuberosity found on the shaft of the Humerus
* Attachment point of which muscle

A

Deltoid Tuberosity
* Deltoid Muscle

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14
Q

What nerve winds around the Spiral Groove

A

Radial Nerve

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15
Q

What nerve could be possibly severed when a fracture in the shaft of the humerus occurs

A

Radial Nerve

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16
Q

Part in the distal humerus that articulates with the Ulna

A

Trochlea

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17
Q

Part of the humerus that articulates with the radius

A

Capitulum

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18
Q

Which epicondyle of the Humerus projects more?

A

Medial Epicondyle

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19
Q

Attachment sites for muscle at the Distal Humerus

A

Medial & Lateral Supracondylar Ridges

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20
Q

Depression at the distal humerus anteriorly

A

Coronoid Fossa

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21
Q

Depression at the distal humerus posteriorly
* it receives what structure

A

Olecranon Fossa
* Olecranon Process of the Ulna

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22
Q

Forearm is also known as __

A

Antebrachium

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23
Q

2 bones present at the forearm

A

Radius and Ulna

Function as 1 because they are connected distally & proximally

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24
Q

The forearm articulates with what structure proximally

A

Humerus

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25
Q

The forearm articulates with what structure distally

A

Wrist

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26
Q

Points where the radius and ulna are connected to each other making them function as 1

A

Radioulnar Joints (Proximal and Distal)

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27
Q

Structure present in between the radius and ulna

A

Interosseous Membrane

28
Q

Radius is found on which side

A

Lateral

RL

29
Q

Ulna is found on which side

A

Medial

UM

30
Q

Part of the radius that articulates with the Capitulum of Humerus superiorly

A

Radial Head

31
Q

Structure where the radial head articulates superiorly
* Gives rise to which joint that is a part of the elbow complex

A

Capitulum of the Humerus
* Radiocapitellar Joint

32
Q

Structure where the radial head articulates medially
* Give rise to which joint

A

Radial Notch of the Ulna
* Prox Radioulnar Joint

33
Q

Tuberosity located below the neck of the radius
* Which muscle attaches to this

A

Radial or Bicipital Tuberosity
* Biceps Brachii

34
Q

The Ulnar Notch of the Radius articulates with ___
* location of this notch
* forms which joint

A

Ulnar Head
* Distal part of the Ulnar near the wrist
* Distal Radioulnar Joint

35
Q

Lateral projection of the radius

A

Radial Styloid

36
Q

Motion found in the forearm is dependent on which part
* Name the motion

A

Prox & Dis Radioulnar Joint
* Rotation of Radius over Ulnar: Pronation & Supination

37
Q

Movement of the forearm where tha palm faces posteriorly

A

Pronation

P sila both posterior = pronation

38
Q

Movement of the forearm where thepalm faces anteriorly

A

Supination

Parang naga kutsara ka ng soup

39
Q

The position of the forearm in anatomical position

A

Supination

40
Q

During pronation/supination which part serves as the axis of rotation?

A

Ulna

Ulna does not move

41
Q

Which part of the forearm moves during pronation/supination

A

Radius

42
Q

Longer part of the Forearm

A

Ulna

43
Q

What is the main bone of the forearm that forms the elbow joint with the humerus

A

Ulna

may contributions from radius

44
Q

Main bone of the forearm forming the wrist joint

A

Radius

45
Q

Flexion and extension of the elbow joint mainly involves which bone of the forearm

A

Ulna

46
Q

Process found at the proximal ulna
* it articulates with what fossa

A

Olecranon Process
* olecranon fossa

47
Q

Process that fits on the coronoid fossa of the humerus

A

Coronoid Process

48
Q

Part of the Ulna that articulates with the trochlea of the humerus
* give rise to which joint

A

Trochlear Notch
* Ulnohumeral Joint

49
Q

The Ulnohumeral joint is the main joint for which motions

A

Flexion and Extension

50
Q

What happens to the processes and fossa of the humerus and ulna during Full Elbow Extension

A

Olecranon Process (Ulna) locks into Olecranon Fossa (Humerus)

51
Q

What happens to the processes and fossa of the humerus and ulna during Full Elbow Flexion

A

Coronoid Process (Ulna) locks into Coronoid Fossa (Humerus)

52
Q

Give the following medical terms for the following parts of the hand
* Wrist
* Palm
* Fingers

A
  • Wrist: Carpus
  • Palm: Metacarpus
  • Fingers: Phalanges
53
Q

How many bones make up the Carpus

A

8 bones

54
Q

Which bones make up the Proximal Carpal Row

Lateral to Medial Side (Radial –> Ulnar)

A
  • Scaphoid
  • Lunate
  • Triquetrum
  • Pisiform

Lateral to Medial Side (Radial –> Ulnar)

55
Q

Bones that make up the Distal Carpal Row

Lateral to Medial Side (Radial –> Ulnar)

A
  • Trapezium
  • Trapezoid
  • Capitate
  • Hamate
56
Q

Which 2 bones of the Carpus articulate with the Radius
* forms which joint

A

Scaphioid and Lunate
* Wrist or Radiocarpal Joint

57
Q

How many bones are under metacarpals

A

5 bones: I - V
(Thumb - Pinky)

58
Q

Parts of the Metcarpal

A
  • Base
  • Shaft
  • Neck
59
Q

What joint is formed from the articulation of the bases with each other

A

Intermetacarpal Joints

mostly plane joints - slight movement

59
Q

**Metacarpals **

Joint formed from the articulation of the bases with the distal carpal row

A

Carpometacarpal Joints

mostly plane joints - slight movement

60
Q

Metacarpals

What forms the Metacarpophalangeal Joints (Knuckles)

A

Articulation of the heads with the proximal phalanges

61
Q

Shortest and most mobile metacarpal

A

I: Thumb

62
Q

3 parts of the phalanges

A
  • Base
  • Shaft
  • Neck
  • Head
63
Q

3 Different Phalanges for the fingers

A
  • Proximal Phalanx
  • Middle Phalanx
  • Distal Phalanx
64
Q

Which finger has only 2 phalanges?
* What phalanx is absent

A

Thumb
* Mid Phalanx

[ANA} Appendicular Skeleton (4 decks)

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