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Anatomy > Osteology of the Upper Limb > Flashcards

Osteology of the Upper Limb Flashcards

1
Q

What is the upper limb?

A

a mobile appendage sued to engage in the surrounding environment. IT includes the shoulrder, arm, forearm, wrist and hand.

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2
Q

What is the clavipectoral triangle?

A

A region close to the lateral end of the clavicle that is surrounded by the deltoid and the pectoralis major. The coracoid process protrudes from here.

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3
Q

What is the coracoid process?

A

The lateral end of a clavicle bone.

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4
Q

The pectoral girdle is made up of what two bones?

A

the clavicle and scapula.

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5
Q

What is the sternal end of a clavicle?

A

The end that makes contact with the sternum.

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6
Q

What is the acromial end of a clavicle?

A

The lateral end of a clavicle. It forms the acromioclavicular joint.

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7
Q

What is the subclavian groove of a clavicle?

A

a region where the subclavian muscle lies.

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8
Q

What two bones make the acromioclavicular joint?

A

the clavicle (acromial end) and the scapula.

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9
Q

What two bones make the glenohumeral joint?

A

the scapula and the humerus.

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10
Q

What two bones make the sternoclavicular joint?

A

the sternum and clavicle.

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11
Q

What major ligaments connect the clavicle to the sternum?

A

the coracoacromial, conoid and trapezoid ligaments.

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12
Q

What muscles attach to the clavicle?

A

the perctoralis major, subclavius, trapezius and deltoid.

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13
Q

What is the the name of the protrusion found on the posterior side of the scapula?

A

acromion

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14
Q

What are the fossas named after?

A

the muscles that are in the region.

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15
Q

the coracoid process of a scapula is comprised of what three muscles?

A

short head of biceps brachii coracobrachilais, pectoralis minor

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16
Q

The spine of the scapula contains what two muscles?

A

the deltoid and trapezius. PIC

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17
Q

The medial border of the scapula contains what three major muscles?

A

levator scapulae, rhomboid minor and rhomboid major. PIC

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18
Q

The lateral (axillary) border of the scapula conains what two muscles?

A

teres major and minor

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19
Q

What are the two glenoid attachments?

A

supraglengoid tubercle and infraglenoid tubercle. They are the long heads of the biceps brachii and tricepts brachii. They are found attached to the scapula.

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20
Q

The rotator cuff of the scapula contains what regions?

A

subscapular fossa (anterior), supraspinatus, infraspinatus, teres minor (lateral/axillary)

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21
Q

Where is the surgical neck located?

A

Near the head of the humerus

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22
Q

Where is the trochlea located?

A

On the inferior end of the humerus.

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23
Q

What three regions are found on the superior & anterior side of the humerus?

A

greater tubercle, lesser tubercle and inter-tubercular groove. PIC

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24
Q

What two regions are found on the anterior inferior side of the humerus?

A

capitulum and trochlea. PIC

25
Q

What does the head of the humerus articulate with?

A

glenoid of the scapula.

26
Q

What part of the scapula contains a hole in which the humerus attaches to?

A

glenoid cavity

27
Q

What attches to the lesser tubercle?

A

subscapularis

28
Q

What attaches to the greater tubercle?

A

rotator cuff muscles

29
Q

What attaches to the bicipital groove?

A

long tendon of biceps brachii

30
Q

What attaches to the deltoid tuberosity?

A

deltoid muscle

31
Q

What attaches to the midshaft?

A

coracobrachialis and brachialis muscles.

32
Q

What acronym is useful for the attachments of things to the humerus?

A

SSIT (from medial to lateral) - subscapularis, supraspinatus, infraspinatus, teres minor. The subscapularis attaches to the lesser tubercle and the supraspinatus attaches to the intertubercular groove.

33
Q

What is the bicipital groove?

A

A long tendon of the biceps brachii that is between the greater and lesser tubercles.

34
Q

The deltoid tuberosity is an insertion for what muscle?

A

deltoid muscle.

35
Q

Where does the coracobrachilais insert?

A

on the medial aspect of the midshaft.

36
Q

What is the common flexor origin?

A

where the medial epicondyle provides origin for the wrist and finger flexors.

37
Q

What is the common extensor origin?

A

where the lateral epicondyle provides origin for the wrist and finger extensors.

38
Q

What forms the elbow joint?

A

articulation with the radius and ulna.

39
Q

What three regions of the humerus allow for attachment to the radius and ulna?

A

the capitulum, trochlea and medial eicondyle of the humerus.

40
Q

The interosseous membrane between the radius and ulna forms what kind of joint?

A

syndesmosis

41
Q

The head of the radius articulates with what?

A

the capitulum of the humerus and radial notch of the ulna.

42
Q

The radial tuberosity provides attachment for what tendon?

A

biceps brachii

43
Q

the radial shaft provides attachment for what aresa?

A

pronators and supinators of the forearm and flexors and extensors of the wrist and fingers.

44
Q

what does the trochlear notch articular with?

A

the trochlea of humerus to form the stable hinge joint of the lebow.

45
Q

The coronoid process provides insertion for what?

A

the brachialis and pronator teres

46
Q

the olecranonprocess (elbow) provides insertion for what msucles?

A

triceps tendon.

47
Q

The ulnar shaft provides origin for what muscles?

A

pronator quadruatus and supinator as well as digital extensors

48
Q

What does the distal ulna not articulae with?

A

carpal bones

49
Q

How many segments do the phalanges have?

A

3

50
Q

How many bones are in the carpals?

A

9

51
Q

How many bones are in the metacarpals?

A

5

52
Q

How many bones are in the phalanges?

A

14

53
Q

What acronym is used to remember the wrist bones?

A

so long to pinky, here comes the thumb

54
Q

What are the joints between the carpals and metacarpals?

A

caropmetacarpal joints

55
Q

What are the joints between the metacarpals and phalanges?

A

metacarpophalangeal joints; they are the joints closest to the palm.

56
Q

What are the joints between the phalanges?

A

interphalangeal joints; they are the closest to the ends of the fingers.

57
Q

Where do the flexors and extensors of the wrist have their insertionrs?

A

the carpals

58
Q

Where do the flexors and extensors of the digits have their insertions?

A

the phalanges

59
Q

Where do the intrinsic muscles of the hand mostly originate and insert on?

A

the metacarpals; they also insert on structures associated with the phalanges.

Anatomy (12 decks)

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