SOC12 The Skeletal System

Question 1

What are the 5 functions of the skeletal system?

Answer 1

• Protection of vital organs
• Muscle attachment
• Joints for movement
• Storing calcium and phosphorus
• Red and white blood cell production

Question 2

What are the bones in your spine?

Answer 2

1. Cervical (7)
2. Thoracic (12)
3. Lumbar (5)
4. Sacrum (5)
5. Coccyx (4)

Question 3

What are the bones located in your hand/wrist?

Answer 3

Carpals
metacarpals
phalanges

Question 4

What are the bones located in your foot / ankle?

Answer 4

Tarsals, metatarsals, phalanges

Question 5

What are the 4 bones in your leg?

Answer 5

Femur
Patella
Tibia
Fibula

Question 6

What are the 3 bones in your arm?

Answer 6

Humerus
Radius
Ulna

Question 7

What is the real name for your shoulder blade?

Answer 7

Scapula

Question 8

What is the real name for your collar bone?

Answer 8

Clavicles

Question 9

What is the real name for your skull?

Answer 9

Cranium

Question 10

What are the bones in your torso?

Answer 10

Sternum
Rib cage
Clavicle
Scapula

Question 11

What is a long bone?

Answer 11

A bone that is longer than it is wide. They are vital to generate movement, strength and speed. They enable the body to move.

Question 12

What are short bones?

Answer 12

Short bones are the same size in length, width and thickness. They act as shock absorbers, weight barers and spread loads

Question 13

What are flat bones?

Answer 13

Bones that protect organs or offer good surface for muscles to attach onto. They protect your organs in contact sports.

Question 14

What are the 4 types of joints?

Answer 14

Condyloid joint
Ball and socket
Hinge
Pivot

Question 15

What is flexion?

Answer 15

bending movement that decreases the angle between body parts

Question 16

What is extension?

Answer 16

straightening movement that increases the angle between body parts

Question 17

What is dorsi flexion?

Answer 17

bending or flexing the toes up, closer to the shin

Question 18

What is planta flexion?

Answer 18

extending or pointing the toes down, away from the shin

Question 19

What are irregular bones?

Answer 19

These bones have odd shapes and vary in function

Question 20

What is abduction?

Answer 20

movement that pulls away from the midline of the body

Question 21

What is adduction?

Answer 21

movement that pulls towards the midline of the body

Question 22

What is rotation?

Answer 22

movement around a single axis or pivot point

Question 23

What is circumduction?

Answer 23

moving in a circular or conical shape

Question 24

What is a tendon?

Answer 24

Tendons are non elastic fibers that attach muscle to bone and help to move them. Tendons let you apply power and movement. They also grow in strength the more you use them.

Question 25

What is a ligament?

Answer 25

Ligaments are elastic fibres that joins bone to bone, usually to hold things together and keep them stable. They keep your skeleton supported whilst allowing movement.