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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
The forearm articulates with what structure **distally**
Wrist
26
Points where the radius and ulna are connected to each other making them function as 1
Radioulnar Joints (Proximal and Distal)
27
Structure present in between the radius and ulna
Interosseous Membrane
28
Radius is found on which side
Lateral | **RL**
29
Ulna is found on which side
Medial | **UM**
30
Part of the radius that articulates with the Capitulum of Humerus superiorly
Radial Head
31
Structure where the radial head articulates **superiorly** * Gives rise to which joint that is a part of the elbow complex
Capitulum of the Humerus * Radiocapitellar Joint
32
Structure where the radial head articulates **medially** * Give rise to which joint
Radial Notch of the Ulna * Prox Radioulnar Joint
33
Tuberosity located below the neck of the radius * Which muscle attaches to this
Radial or Bicipital Tuberosity * Biceps Brachii
34
The Ulnar Notch of the Radius articulates with ___ * location of this notch * forms which joint
Ulnar Head * Distal part of the Ulnar near the wrist * Distal Radioulnar Joint
35
Lateral projection of the radius
Radial Styloid
36
Motion found in the forearm is dependent on which part * Name the motion
Prox & Dis Radioulnar Joint * Rotation of Radius over Ulnar: Pronation & Supination
37
Movement of the forearm where tha palm faces posteriorly
Pronation | P sila both posterior = pronation
38
Movement of the forearm where thepalm faces anteriorly
Supination | Parang naga kutsara ka ng soup
39
The position of the forearm in anatomical position
Supination
40
During pronation/supination which part serves as the axis of rotation?
Ulna | Ulna does not move
41
Which part of the forearm moves during pronation/supination
Radius
42
Longer part of the Forearm
Ulna
43
What is the main bone of the forearm that forms the elbow joint with the humerus
Ulna | may contributions from radius
44
Main bone of the forearm forming the wrist joint
Radius
45
Flexion and extension of the elbow joint mainly involves which bone of the forearm
Ulna
46
Process found at the proximal ulna * it articulates with what fossa
Olecranon Process * olecranon fossa
47
Process that fits on the coronoid fossa of the humerus
Coronoid Process
48
Part of the Ulna that articulates with the trochlea of the humerus * give rise to which joint
Trochlear Notch * Ulnohumeral Joint
49
The Ulnohumeral joint is the main joint for which motions
Flexion and Extension
50
What happens to the processes and fossa of the humerus and ulna during **Full Elbow Extension**
Olecranon Process (Ulna) locks into Olecranon Fossa (Humerus)
51
What happens to the processes and fossa of the humerus and ulna during **Full Elbow Flexion**
Coronoid Process (Ulna) locks into Coronoid Fossa (Humerus)
52
Give the following medical terms for the following parts of the hand * Wrist * Palm * Fingers
* Wrist: Carpus * Palm: Metacarpus * Fingers: Phalanges
53
How many bones make up the Carpus
8 bones
54
Which bones make up the Proximal Carpal Row | Lateral to Medial Side (Radial --> Ulnar)
* Scaphoid * Lunate * Triquetrum * Pisiform | Lateral to Medial Side (Radial --> Ulnar)
55
Bones that make up the Distal Carpal Row | Lateral to Medial Side (Radial --> Ulnar)
* Trapezium * Trapezoid * Capitate * Hamate
56
Which 2 bones of the Carpus articulate with the Radius * forms which joint
Scaphioid and Lunate * Wrist or Radiocarpal Joint
57
How many bones are under metacarpals
5 bones: I - V (Thumb - Pinky)
58
Parts of the Metcarpal
* Base * Shaft * Neck
59
What joint is formed from the articulation of the bases with each other
Intermetacarpal Joints | mostly plane joints - slight movement
59
# **Metacarpals ** Joint formed from the articulation of the bases with the distal carpal row
Carpometacarpal Joints | mostly plane joints - slight movement
60
# **Metacarpals** What forms the Metacarpophalangeal Joints (Knuckles)
Articulation of the heads with the proximal phalanges
61
Shortest and most mobile metacarpal
I: Thumb
62
3 parts of the phalanges
* Base * Shaft * Neck * Head
63
3 Different Phalanges for the fingers
* Proximal Phalanx * Middle Phalanx * Distal Phalanx
64
Which finger has only 2 phalanges? * What phalanx is absent
Thumb * Mid Phalanx

[ANA} Appendicular Skeleton (4 decks)

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