Upper Limb and Shoulder Girdle

Question 1

How do x-rays affect less dense structures?

Answer 1

x-rays can more easily pass through. Things like soft tissue so they will appear darker

Question 2

How do x-rays affect dense structions

Answer 2

x-rays cannot pass easily through dense structures like bone, so they appear whiter on a radiograph

Question 3

What is part of the shoulder girdle

Answer 3

clavicle (2), scapula (2)

Question 4

Describe parts of the clavicle?

Answer 4

has a sternal end and acromial end. The sternal end is round, has sort of a triangle shape. The acromial end is flat ended with a shoulder

Question 5

Describe the scapula

Answer 5

very thin, can see through

Question 6

What are the parts of the scapula?

Answer 6

acromion, coracoid process, superior border, superior angle, scapular notch, scapular spine, subscapularis fossa, supraspinous and infraspinous fossae, glenoid cavity, inferior angle, medial and lateral borders

Question 7

Parts of the humerus at the proximal end

Answer 7

head, anatomical and surgical necks, greater and lesser tubercles, intertubercular groove/sulcus

Question 8

parts of the humerus at the distal end

Answer 8

form to elbow, capitulum (round), articulates with head of radius. Trochlea (spool looking)- articulates with trochlear notch of ulna. fossae

Question 9

What is olecranon fossa?

Answer 9

extend, point of elbow, part of the posterior end, accommodates olecranon process of ulna

Question 10

what is the coronoid fossa?

Answer 10

it is part of the anterior view, depressions, bend in the elbow accommodates coronoid process of ulna

Question 11

what is the radial fossa?

Answer 11

helps flex or close elbow , accommodates head of radius

Question 12

What is the ulna

Answer 12

u, shape in the bone, has medial forearm bone.

Question 13

Describe the proximal end of the ulna

Answer 13

has a trochlear notch, olecranon process and coronoid process

Question 14

Describe the distal end of the ulna

Answer 14

has a head and styloid process

Question 15

What does the radius bone look like?

Answer 15

Looks like a golf tee on top of bone, lateral forearm of bone

Question 16

Describe the proximal end of the radius

Answer 16

it has a head that is disc-shaped articulates with capitulum of humerus

Question 17

Describe the distal end of the radius

Answer 17

it has a styloid process

Question 18

What are the carpal bones

Answer 18

found in the wrist, two rows of 4, has proximal and distal row.

Question 19

What is part of the proximal row in the carpals?

Answer 19

scaphoid (boat shaped), lunate (moon shape), triquetrum, pisiform (pea shaped)

Question 20

What is part of the distal row in the carpals?

Answer 20

trapezium, trapezoid, capitate (round), hamate (hook)

Question 21

How many metacarpals are there?

Answer 21

5, labeled as roman numerals

Question 22

how many phalanges are in each hand?

Answer 22

5, labeled as roman numerals, the thumb has two parts, (proximal and distal), the fingers has (proximal, middle and distal)