Sports Medicine The Skeletal System

Follow Up Assignment Read pages 303-306 and define all bold terms.`

Daily Objectives Content Objectives Language Objectives Understand the Structure and Function of the Skeletal System. Learn the different classifications of bones. Discuss the different types of boney injuries and understand the different methods of treatment. Language Objectives Copy notes off of power point.

Pace Lap Name three bones in the human body? 5 minutes

Assignment How many bones are found in the human body? Read pages 303 and answer the following questions: How many bones are found in the human body? What are the two main parts of the skeletal system? What bones are found in each part? What are at least two functions of the skeletal system? What are some minor differences between male and female bones?

The Skeletal System 206 bones in the average human adult body. Two Parts Axial Skeleton (80 Bones) Skull Spinal Vertebrae Ribs and Sternum Appendicular Skeleton (126 Bones) Shoulders and Upper Limbs (64 Bones) Pelvis and Lower Limbs (62 Bones) Gender Differences Men's bones are usually larger and heavier. Women's pelvic cavity is larger to accommodate child birth.

Functions of the Skeletal System Acts as a series of levers to provide movement. Muscles attach and contract to provide body movement. Protects Vital Internal Organs. Brain, Spinal Cord, Heart, Lungs, etc.. Produces Red and White Blood Cells. Through Bone Marrow of certain bones. Stores Minerals Calcium and Phosphorous

Assignment What is an Osteocyte? What are the four types of bones? Look on pages 304-307 and answer the following questions? What is an Osteocyte? What are the four types of bones? Give one example of each. What are the three components of the long bone?

Bone Makeup Osteocyte: A mature bone cell. (Very Small) Bone makeup 35% organic material Protein known as Bone Collagen which allows a small amount of flexibility) 65% inorganic material Mineral Salts (Make Bones Hard and Durable) Water

Four Categories of Bones Long Bones Femur Humerus Phalanges Short Bones Carpals Tarsals Flat Bones Sternum Skull Irregular Bones Vertebrae

Structure of A Long Bone GROWTH ZONE (Plate) Key Points Bone grows from the diaphysis to the epiphysis. Osteoblasts: Bone cell involved in the formation of new bone. Osteoclasts: Bone cell involved in the resorption of bony tissues.

Injuries to Bones In your notes draw figures 16-4A, 16-5A, 16-6 and 16-7. Make sure to label each one with the correct fracture term and write a brief description of each.

Fractures Simple: A complete or incomplete break in the bone that does not penetrate through the skin. Compound: A complete break in the bone that penetrates through the skin. Greenstick: An incomplete break in the shaft of the bone that occurs in children. Comminuted: A break in the bone in which the bone is shattered in many pieces. Stress: A small incomplete break in the bone that occurs from overuse, weakness, or biomechanical problems. Epiphysis Plate: A break in the bone that occurs at the growth plate.