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MDSC 2404 > Anatomy - Bones Of Upper Limb > Flashcards

Anatomy - Bones Of Upper Limb Flashcards

(49 cards)

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1
Q

List some properties of the clavicle.

A

First bone to ossify
First long bone to ossify in the membrane
Only long bone which ossify with two primary centers
No medullary cavity

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2
Q

Describe the junction of the clavicle at which fractures commonly occur.

A

Medial 2/3 and lateral 1/3

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3
Q

When does ossification occur in the clavicle?

A

Primary center (shaft) - 5-6th week and fuse together 45th day

Secondary center (medial center) - 15-17th year and fuse together 21-22nd year

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4
Q

Describe winging of the scapula.

A

Condition where inquiry of the long thyroid nerve causes paralysis and weakness of the serratus anterior muscle.

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5
Q

List the common site of fractures in the humerus.

A

Surgical neck
Shaft
Supracondylar region

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6
Q

What nerves are affected by the fractures of the humerus?

A

Surgical neck - auxiliary nerve
Supracondylar region - median nerve

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7
Q

Discuss the 3 types of humerus fractures.

A
  1. Proximal - break at upper part humerus near shoulder
  2. Mid-shaft - break in the middle of humerus
  3. Distal - fracture at elbow
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8
Q

Give an example of the types of humerus fracture.

A

Distal humerus fracture - car accident, football tackle
Proximal or mid shaft fracture - breaking fall with outstretched arm

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9
Q

What conditions can cause pathological fractures?

A

Osteoporosis
Bone cancer
Bone tumor
Bone infection

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10
Q

List the muscles attached to the clavicle.

A

Trapezius (L)
Sternocleidomastoid (M)
Pectoralis major (M)
Deltoid muscle (L)
Subclavius (middle)
Sternohyoid (M)

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11
Q

List the ligaments attached to the clavicle.

A

Costoclavicular ligament
coracoclavicular ligament.
Interclavicular
Sternoclavicular

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12
Q

What is the joint that attaches both clavicles?

A

Sternoclavicular joint

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13
Q

The humerus articulates with which part of the scapula?

A

Glenoid fossa/ process

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14
Q

List the muscles attached to the scapula (ANTERIOR view)

A

TOSS-PCB

Omohyoid
Serratus anterior
Biceps brachii
Subscapularis
Coracobrachialis
Triceps brachii
Pectoralis minor

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15
Q

List the muscles attached to the scapula in its POSTERIOR view.

A

STILL- TR

Supraspinatus
Triceps brachii
Infraspinatus
Levator scapulae
Latissmis dorsi muscle
Teres minor and major
Rhomboid minor and major

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16
Q

What are the two tendons found on the humerus.

A

Common flexor and extensor

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17
Q

List the muscles attached to the humerus in its ANTERIOR view.

A

Supraspinatus
Subscapularis
Deltoid
Pectoralis major
Triceps brachii
Coracobrachialis
Brachialis
Brachiradalis
Protonator tears
Latissmis dorsi
Teres major
Extensor carpi radialis longus

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18
Q

List the muscles attached to the humerus in its POSTERIOR view.

A

Triceps brachii
Brachialis
Supraspinatus
Infraspinatus
Teres minor
Deltoid
Anconeus

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19
Q

Discuss the ossification of the radius

A

Primary center- 8th week
Secondary center (lower) - 1st year and fuse 20th year
Secondary center (upper) - 4th year and fuse 18th

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20
Q

The radius is attach to the ulnar via which part?

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A

Radial notch of ulnar

21
Q

Discuss the muscles attached to the ulnar and radius.

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A

Supinator
Pronator teres and quadratus
Flexor digitorum superficialis and profundus
Flexor (A) and extensor (P) pollicis longus
Abductor (P) pollicis longus
Extensor pollicis brevis
Extensor indicis

22
Q

When and where does the radius get commonly fractured?

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A

When - by fall on a outstretched hand
Where - 2cm above lower end

23
Q

List your carpal bones.

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A

She looks too pretty try to catch her

Scaphoid
Lunate
Trapezium
Pisiform
Trapezoid
Triquetrum
Capitate
Hamate

24
Q

What is the end results of a fracture of the scaphoid bone?

Study These Flashcards
A

Vascular necrosis

25
Discuss Bennett’s fracture.
Intra- articular fracture/ dislocation of base of 1st metacarpal
26
Discuss the formation of the shoulder joint.
Articulation of the scapula w/ the head of the humerus. (Glenohumeral articulation)
27
The stability of the shoulder joint is maintained by?
Coracoacrimial arch Musclotendious cuff/ rotator cuff Glenoidal labrum
28
List the ligaments of the shoulder joint.
The articular capsule Glenohumeral ligament Transverse humeral ligament Coracohumeral ligament Glenoidal labrum
29
The capsular ligament of the shoulder joint is reinforced by what structures?
Superior, middle and inferior Glenohumeral ligament
30
Give the components of the musclotendious/ rotator cuff and state its function.
Subscapularis Supraspinatus Infraspinatus Teres minor Function? Give strength to the capsule of the shoulder joint all around except inferiorly.
31
At which region does dislocation commonly occur in the shoulder joint?
Inferiorly (abductor) due to lack of support
32
Give the blood supply of the shoulder joint.
Anterior and posterior circumflex humeral vessels Suprascapular and subscapular vessels.
33
The nerve supply of the should joint involves?
Axillary nerve Musclotendious nerve Suprascapular nerve
34
List the muscles involves in flexion and extension movements of the shoulder joint.
Flex- deltoid (A) and Pectoralis major Exten - deltoid (P) and Latissmus dorsi
35
List the muscles involves in adduction and abduction movements of the shoulder joint.
Adduction - P. Major, T. Major and latissmus dorsi Abduction - deltoid (I) and Supraspinatus
36
List the muscles involves in the medial and lateral rotation movements of the shoulder joint.
Medial - P. Major, T. Major, Subscapularis, deltoid (A) Lateral - Infraspinatus, T. Minor, deltoid (P)
37
What is frozen shoulder (adhesive capsulitis)?
Conditions resulting in stiff shoulders due to tendinitis in the musclotendious/ rotator cuff.
38
Discuss which structures articulate at the elbow joint.
Trochlea and capitulum of the humerus and trochlear notch of ulnar and head of radius.
39
State the other three articulations of the elbow joint.
Humeroradial articulation Proximal radio ulnar articulation Humeroulnar articulation
40
State the actions of the elbow joint (uni-axial) and what muscles are involved in these actions
Flexion - Brachialis, biceps brachii, brachioradialis Extension - triceps and anconeus
41
Give the ligaments of the elbow joint
Fibrous capsule Ulnar collateral (Medial) Radial collateral (lateral)
42
Give the innervation supply of the elbow joint.
Ulnar, median, radial and Musclotendious nerve
43
Give the innervation supply of the radial ulnar joints.
Musclocutenous, median and radial nerves.
44
What actions does the radio- ulnar joint possess?
Supination and protonation
45
Give the nerve supply and actions for the wrist (radiocarpal) joint.
Innervation - anterior and posterior interosseous nerve Actions: Flexion, extension Abduction, adduction Circumduction
46
Give the innervation supply and actions of the carpometacarpal joints.
Nerve - anterior and posterior interosseous nerve and ulnar nerve Action - Extension, flexion Adduction, abduction Medial, lateral rotation Circumduction
47
Give the innervation supply and actions of the metacarpophalangeal joints.
Nerve- median and ulnar nerves Actions - Flexion, extension Adduction, abduction Circumduction
48
Give the innervation supply and actions of the interphalangeal joints.
Nerve- ulnar and median Action- Flexion and extension
49
State the function of the acromioclavicular joint.
Allows you to raise your arm above our head

MDSC 2404 (10 decks)

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