Appendicular Skeleton

Question 1

What is the clavicle?

Answer 1

Collarbone

Question 2

What does the clavicle look like?

Answer 2

Slender, doubly curved bone

Question 3

What does the clavicle attach to?

Answer 3

Attaches to the manubrium of the sternum medially and to the scapula laterally

Question 4

What does the clavicle connecting with other bones do?

Answer 4

Helps to form the shoulder joints

Question 5

What are the scapulae (scapula)?

Answer 5

Shoulder blades

Question 6

What do the scapulae look like and what are they commonly called?

Answer 6

Triangular and commonly called wings

Question 7

How do the scapulae move?

Answer 7

They flare when the arms are moved posteriorly

Question 8

What is the acromion?

Answer 8

The enlarged end of the spine of the scapula

Question 9

What does the acromion do?

Answer 9

Connects with the clavicle laterally to form the acromioclavicular joint

Question 10

What/where is the coracoid process?

Answer 10

Points over the top of the shoulder

Question 11

What does the coracoid do?

Answer 11

Anchors some of the muscles of the arm

Question 12

What is the glenoid cavity?

Answer 12

A shallow socket that receives the head of the arm bone

Question 13

The shoulder girdle has…

Answer 13

Exceptional flexibility

Question 14

What is the problem with shoulders being flexible?

Answer 14

They can be easily dislocated

Question 15

What are the greater and lesser tubercles?

Answer 15

Two bony projections opposite the head

Question 16

What do the greater and lesser tubercles do?

Answer 16

They are sites of muscle attachment

Question 17

What is the radius?

Answer 17

The lateral bone on the thumb side of the forearm

Question 18

Is the radius or ulna bigger?

Answer 18

Radius

Question 19

What is the ulna?

Answer 19

The medial bone on the pinky finger side of the forearm

Question 20

How many and where are the carpal bones?

Answer 20

8, wrist

Question 21

How many and where are the metacarpal bones?

Answer 21

5, hand

Question 22

How many and where are the phalanges?

Answer 22

14, on both fingers and toes

Question 23

What is the pelvic girdle made up of?

Answer 23

The coxal bones or ossa coxae

Question 24

What are the ossa coxae or coxal bones most commonly called?

Answer 24

Hip bones

Question 25

What makes up the bony pelvis?

Answer 25

Two coxal bones, along with the sacrum and coccyx

Question 26

What is the coxal bone made up of?

Answer 26

Ilium, Ischium, and Pubis

Question 27

What does the Ilium bone look like?

Answer 27

It is a large, flat bone that makes up most of the hip

Question 28

What does the Ilium do?

Answer 28

Connects posteriorly with the sacrum at the sacroiliac joint

Question 29

What is different about the female pelvic girdle?

Answer 29

The sacrum is shorter and less curved, the ischial spines are shorter and farther apart thus the inlet is larger, the pubic arch is more rounded because the angle of the pubic arch is greater

Question 29

What is the femur?

Answer 29

The thigh bone, the strongest bone of the body

Question 30

What does the proximal end of the femur have?

Answer 30

The proximal end of the femur has a ball like head which articulates with the socket of the hip bone

Question 31

Where is the neck of the femur and what is special about it?

Answer 31

After the head, this is a common fracture location for the elderly

Question 32

Head =

Answer 32

Greater trochanter

Question 33

What direction is the femur at?

Answer 33

The femur slants medially as it runs downward to join with the leg bones

Question 34

What does the direction of the femur do?

Answer 34

Brings the knees in line with the body's center of gravity

Question 35

What do the distally lateral and medial condyles do?

Answer 35

These two structures articulate with the tibia of the lower leg

Question 36

Where is the patellar surface and what does it do?

Answer 36

Anteriorly on the distal femur, it forms the joint with the patella

Question 37

What are the two bones that form the skeleton of the leg?

Answer 37

The tibia and fibula

Question 38

What is the interosseous membrane?

Answer 38

It holds the tibia and fibula together (and radius and ulna)

Question 39

What is the tibia?

Answer 39

The shinbone, more medial

Question 40

Is the tibia or fibula bigger?

Answer 40

Tibia

Question 41

What is at the proximal end of the tibia and fibula?

Answer 41

Medial and lateral condyles

Question 42

What do the medial and lateral condyles do at the proximal end of the tibia and fibula?

Answer 42

Articulate with the distal end of the femur to form the knee joint

Question 43

What is the medial malleolus?

Answer 43

Forms the inner bulge of the ankle

Question 44

Where is the fibula?

Answer 44

Lies along side the tibia and forms joints both proximally and distally

Question 45

What does the fibula look like?

Answer 45

Thin and stick like

Question 46

What is special about the fibula?

Answer 46

It has no part in forming the knee joint.

Question 47

What is the lateral malleous and where is it?

Answer 47

Distal end of the fibula and forms the outer part of the ankle

Question 48

What is the tarsus?

Answer 48

Forms the posterior half of the foot

Question 49

How many bones it the tarsus made up of?

Answer 49

7 tarsal bones

Question 50

What does talus mean?

Answer 50

Ankle bone

Question 51

How many metatarsals are there and what do they form?

Answer 51

5, the sole of the foot

Question 52

What form the toes and how many?

Answer 52

14 phalanges

Question 53

Are the toe phalanges considered a part of the leg?

Answer 53

Yes

Question 54

What are weak arches?

Answer 54

Flat feet or fallen arches

Question 55

How many phalanges does each toe have, and how many does the big toe have?

Answer 55

3, 2