Chapter 3 9/10/13. What condition occurs when the blood supply is cut off within heart? A. Stroke B....

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Transcript of Chapter 3 9/10/13. What condition occurs when the blood supply is cut off within heart? A. Stroke B....

Chapter 39/10/13

What condition occurs when the blood supply is cut off within

heart?A. Stroke

B. Diabetes

C. Atherosclerosis

D. Heart Attack

When a person’s body cannot

regulate sugar levels, it is

called?A. Cancer

B. Diabetes

C. Obesity

D. Osteoporosis

What are the 3 types of eating

disorders?1. Anorexia – not eating enough

2. Bulimia – eating a lot then purging

3. Binge Eating – eating a lot in short time without purging

Chapter 3.2Objectives:

1. Explain how good fitness helps your back work efficiently

2. Describe some common posture problems

3. List some biomechanical principles that will help you improve posture and avoid back problems

Back ProblemsHow does good fitness help the back operate efficiently?

1. Everything is balanced up your spine which allows your upper body to move around

Lordosis – Too much arch in the lower back

Posture ProblemsPtosis – Protruding abdomen

Kyphosis – Rounded back and shoulders

Good Posture1. Helps you look good

2. Helps prevent back problems

3. Helps you work and play more efficiently

Back/Posture Improvement and

MaintenanceUse the large muscles of the body when lifting

When lifting, keep your weight (hips) low

Divide a load to make it easier to carry

Avoid twisting while lifting

Push or pull objects rather than lift them

Avoid bent-over position when sitting, standing, or lifting

Applying Biomechanical

PrinciplesLaws of Motion – Newton’s laws stating the amount of force exerted on an object in relation to mass and acceleration

Force – The amount of energy exerted on an object