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Upper Limb ~ Anatomy > Osterology Of Upper Limb > Flashcards

Osterology Of Upper Limb Flashcards

1
Q

Why Clavicle is Modified Long Bone;

A
  1. Horizontally placed
  2. No Medullary Cavity
  3. Subcutaneous
  4. Intra-membranous development
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2
Q

MC site of for Clavicle Fracture is

A

Junction of Medial 2/3rd and Lateral 1/3rd

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3
Q

2 ends of Clavicle;

A

Sternal end and Acromial end

Weight from appendicular skeleton transmitted to axial skeleton via thsese joints;
• Sternoclavicular Joint
• Acromioclavicular joint

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4
Q

Sternoclavicular Joint is which type of Synovial Joint

A

Saddle type of Synovial Joint

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5
Q

How proximal and distal fragments of clavicle displaces after fracture

A

Fracture causes

The upward displacement of the proximal fragments (scm)

And, Downward displacement of the distal fragment (deltoid)

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6
Q

Ligaments attached to Coracoid process of Scapula

A
  • Coracoacromial ligament
  • Coracoclavicular ligament
  • Coracohumeral ligament
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7
Q

Acromioclavicular Joint is ________ type of Synovial joint

A

Plane type of Synovial Joint

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8
Q

Ligaments involved in the weight transmission from the appendicular skeleton to axial skeleton

A
  1. Acromio-clavicular Ligament
  2. Coraco-clavicular Ligament (to clavicle)
  3. Sterno-clavicular Ligament
  4. Costo-clavicular Ligament (to axial skeleton via clavicle)
  5. Inter-clavicular Ligament
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9
Q

Coraco-acromial Ligament is not involved in the weight transmission from appendicular to axial skeleton.

True/False

A

True

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10
Q

SupraScapular Foramen transmits

A

SupraScapular Nerve

SupraScapular Artery passes above the foramen(above transverse scapular ligament)

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11
Q

Level of Superior Angle of Scspula

A

T2 Vertebra

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12
Q

Level of Inferior angle of Scapula

A

T7 Spine or T8 Body

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13
Q

Supra-Glenoid Tubercle giving origin to

A

Long Head Of Biceps

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14
Q

Infra-Glenoid Tubercle giving origin to

A

Long Head of Triceps

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15
Q

Which border of Scapula is only for Muscle Insertion

A

Medial Border

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16
Q

Muscle Inserted on Medial Border of Scapula

Posterior Surface;

A

Medial Border - Only insertion

On posterior side 3 Muscles;

Levator Scapulae
Rhomboid Major
Rhomboid Minor

On Anterior side;
Serratus anterior

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17
Q

Which border of Scapula is only for Origin of Muscle

Anterior Surface;

Posterior Surface;

A

Lateral Border - only origin

On Posterior Side;
Teres minor
Teres major

On Anterior Side;
Subscapularis

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18
Q

Coracoid process is which type of Epiphysis?

A

Atavastic type of Epiphysis - Phylogenetically independent but fuse with other bones mainly for nutrition

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19
Q

Muscles attached to Coracoid Process

A

P - Pectoralis minor

C - Coracobrachialis

B - short head of Biceps

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20
Q

Insertion of Trapezius Muscle

A

Upper Border of Spine + Medial Border of Acromion Process + Posterior Border of Clavicle

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21
Q

Muscle inserted to Lesser Tubercle of Humerus

A

Subscapularis Muscle

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22
Q

Muscles inserted to Greater Tubercle

A

S ~ Supraspinatus
I ~ Infraspinatus
T ~ Teres Minor

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23
Q

Inter-Tubercular Sulcus of Humerus is also known as

A

Bicipital Groove

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24
Q

Structure passing through Bicipital Groove/Intertubercular Groove

A

Long head of Biceps

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25
Of Inter-Tubercular Sulcus of Humerus Muscle attached to; Medial Lip - Floor - Lateral Lip -
Medial Lip - Teres major Floor - Lattismus dorsi Lateral Lip - Pectosalis major Laddy b/w Two Major
26
Neck of the Humerus is related to
Axillary Nerve
27
Content of Spiral/Radial Groove
Radial Nerve + Profunda brachii artery
28
Deltoid tuberosity receives Insertion of which muscle
Deltoid Muscle
29
Rotator Cuff Muscles are;
Supraspinatus Infraspinatus Teres minor Subscapularis
30
Boundaries of Quadrangular Space; Superior - Inferior - Medial - Lateral -
Superior - Teres minor and Capsule of Shoulder Joint Inferior - Teres major Medial - Long head of Triceps Lateral - Neck of Humerus
31
Contents of Quadrangular Triangle;
Axillary Nerve Posterior Circumflex Humeral Vessels
32
Boundaries of Triangular Interval / Lower Triangular Space; Superior - Medial - Lateral -
Superior - Teres Major Medial - Long head of Triceps Lateral - Shaft of Humerus
33
Contents of Triangular Interval / Lower Triangular Space;
Radial Nerve Profunda brachii vessels
34
Boundaries of Upper Triangular Space; Base - Superior - Inferior -
Base - Long head of Triceps Superior - Teres minor Inferior - Teres Major
35
Contents of Upper Triangular Space;
Circumflex scapular vessels
36
Boundaries of Axilla; Medial - Lateral -
Medial - Rib, Serratus anterior Long Thoracic Nerve Lateral - Inter-tubercular sulcus
37
Boundaries of Axilla; Anterior - Posterior -
Anterior - Pectoralis Major and Minor Posterior - Subscapularis Teres major Lattisimus dorsi
38
Contents of Axilla
Axillary Artery Axillary Vein Cords of brachial plexus - medial, lateral, posterior Axillary Nodes
39
5 Groups of Axillary Nodes
Five groups of Axillary Nodes ``` Anterior Lateral Posterior Central Apical ```
40
Other name for Anterior Axillary Nodes
Pectoral nodes
41
Other name for Posterior Axillary Nodes
Subscapular Nodes
42
Other Name for Lateral Axillary Nodes;
Humeral nodes
43
Vein accompanied by Anterior Axillary / Pectoral Nodes;
By Lateral Thoracic Vein
44
Vein accompanied by Posterior Axillary / Subscapular Nodes;
Subscapular Vein
45
Vein accompanied by Lateral Axillary / Humeral nodes;
Axillary Vein
46
Anterior, Posterior and Lateral Axillary Nodes Drain into
Central Nodes → Apical Nodes
47
Trochlea of the humerus bone articulates with ___________ and forms ___________ Joint.
Trochlear notch of Ulna → Humeroulnar Joint
48
Capitulum of the humerus bone articulates with → →_____________ Joint
Head of the radius → Humeroradial Joint
49
Coronoid fossa of the humerus bone articulates with
Coronoid process of Ulna
50
Olecranon fossa of humerus bone (posteriorly) articulates with
Olecranon process of Ulna
51
Fossa above the Capitulum of humerus
Radial Fossa
52
Extracapsular Structures at the Lower end of Humerus
Medial Epicondyle and Lateral Epicondyle
53
Lateral Epicondyle gives origin to
Common Extensors of Forearm
54
Medial Epicondyle gives origin to
Common Flexors of Forearm
55
Epicondyle involved in the Tennis Elbow
Lateral Epicondyle
56
Epicondyle involved in the Golfer’s Elbow
Medial Epicondyle
57
Ulnar Tuberosity receives Insertion of _________ Muscle
Brachialis Muscle insertion → Ulnar Tuberosity
58
Radial Tuberosity receives Insertion of _________ Muscle
Biceps Muscle insertion → Radial Tuberosity
59
Number of RadioUlnar Joint;
Three RadioUlnar Joints; Superior ~ Middle ~ Inferior ~
60
What is the type of each RadioUlnar Joint? Superior ~ Middle ~ Inferior ~
Superior ~ Pivot Joint Middle ~ Syndesmosis Inferior ~ Pivot Joint
61
What is Pronation and Supination
Movement of radius over a stationary ulna
62
Joints involved in the Pronation and Supination Movement
Humeroradial Joint Superior RadioUlnar Joint Inferior RadioUlnar Joint Supination and Pronation mainly occurs at these three joints
63
Degenerated part of Flexor pollicis longus is
Oblique cord
64
Structure piercing the Inter-Osseous membrane
Anterior Inter-Osseous Artery
65
Lister’s tubercle present in the
Lower end of Radius
66
Carpal bones - Proximal Raw;
From lateral to Medial; Scaphoid Lunate Triquetrum Pisiform
67
Carpal bones - Distal Raw;
From lateral to medial; Trapezium Trapezoid Capitate Hamate
68
RadioCarpal/Wrist joint is which type of joint
Synovial, Biaxial and Ellipsoid joint
69
Bones involved in the Wrist Joint Formation;
Articulation between Lower end of Radius and Scaphoid, Lunate, Triquetrum
70
In the neutral position of wrist, Which bones are in contact with the radius and articular disc;
Only Scaphoid and Lunate The triquetrum comes in contact into apposition with the disc only in full adduction of the wrist
71
Most commonly fractured bone from Carpals;
Scaphoid
72
Most commonly dislocated bone from Carpals;
Lunate
73
Largest Carpal Bone
Capitate
74
Smallest Carpal Bone
Pisiform - Sesamoid bone formed in Tendon of Flexor carpi ulnaris
75
From Carpals; 1st Bone to ossify
Capitate - by 2nd Month of Intrauterine life
76
From Carpals; Last bone to Ossify
Pisiform - by 12 years
77
1st Metacarpal Bone only articulates with
Trapezium → Saddle joint 1st metacarpal bone does not articulate with other metacarpals.
78
Base of the 1st Metacarpal is It lies -
Convexo-Concave → Saddle Joint It lies more Anterior and Medial
79
For the 1st Metacarpal bone, the Primary Ossification Centre appears at
At base
79
If Primary Ossification Centre of 1st Metacarpal is at the Head of Metacarpal Then it is called as
Aberrant epiphysis Aberrant means - not usually present
81
Primary ossification centre of 2nd, 3rd, 4th and 5th metacarpal appear at
Head of Metacarpal
83
When the elbow is extended and supinated, the carrying angle is approximately
17° Carrying angle is used to identify Varus or Vagus in the elbow joint.
84
Rotator interval is an area between
Supraspinatus and Subscapularis
85
A normal scapulohumeral rhythm is in the ratio of
2:1
86
First bone to ossify in human body;
Clavicle - by 5th-6th weeks of intrauterine life
87
Stability of the Shoulder joint is provided by
* Rotator cuff - formed by blending of tendons of 4 muscles * Tendon of long head of biceps * Coracoacromial ligament

Upper Limb ~ Anatomy (9 decks)

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