• Specificity- the body adapts to the particular type and amount of stress placed it.
• Reversibility- fitness improvements are list when demands on the body are lowered.
• Progressive overload- fitness improves as the body adapts to appropriate amounts of progressively increasing physical demands. The amount of exercise needed is determined by the frequency, intensity, and duration of training.
• Cardio respiratory endurance- the ability to perform prolonged, large-muscle, dynamic exercise at moderate to high levels of intensity.
• Flexibility- the ability to move the joints through their full range of motion.
• Body composition- the proportion of fat free mass and fat in the body.
2. List the benefits of Cardio respiratory endurance exercise.
• Improved cardiorespiratory functioning.
• Improved cellular metabolism.
• Better control of body fat.
• Improved immune function .
• Improved psychological and emotional well being.
• Reduced risk of chronic diseases: cardiovascular disease, cancer (some types), diabetes, osteoporosis.
3. Describe the major warning signs of cancer.
• Change in bowel or bladder habits.
• A sore that does not heal.
• Unusual bleeding or discharge.
• Thickening or lump in the breasts or elsewhere.
• Indigestion or difficulty in swallowing.
• Obvious change in a wart or mole.
• Nagging cough or hoarseness.
4. List the benefits of flexibility and stretching exercises.
• Maintenance of joint health throughout the life span.
• Prevention of low back pain.
• Injury prevention.
• Reduction of post exercise muscle soreness.
• Relief of aches and pains.
• Improved body position and strength for sports.
• Maintenance of good posture.