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