Skeletal System 1 - Introduction

Question 1

Describe the main functions of the skeletal system?

Answer 1

Support
Protection
Movement
Mineral and growth factor storage
Blood cell formation
Fat storage

(SPM MFB)

Question 2

Classify bones on the basis of shape?

Answer 2

Flat: Thin & flat (e.g sternum, ribs, scapula).

Short: Cube-shaped (e.g wrist and ankle bones).
***Sesamoid (special type) → Embedded in the tendon of a muscle (e.g patella).

Long: Longer>wide & shaft and 2 proximal/distal ends (e.g all limb bones except the patella, wrist and ankle).

Irregular: Many different shapes (e.g vertebrae, hip bone).

Question 3

Identify and name principle bony markings?

Answer 3

Question 4

Identify and name principle bony markings?

Answer 4

Question 5

Identify and name principle bony markings?

Answer 5

Question 6

Describe how the skeleton is classified into axial and appendicular divisions and include a basic function of each division?

Answer 6

Axial: Bones of the head, neck and trunk & protection of organs.

Appendicular: Bones of the limb and facilitate movement.