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5 Components of Physical Fitness Cardio-respiratory Endurance - The ability of the body's circulatory and respiratory systems to supply fuel during sustained physical activity. Ex.) Running Muscular Strength - The ability of the muscle to exert force during an activity. Ex.) Lifting weights Muscular Endurance - The ability of the muscle to continue to perform without fatigue. Ex.) Walking, dancing. Body Composition - Refers to the relative amount of muscle, fat, bone, and other vital parts of the body. Flexibility - The range of motion (ROM) around a joint. Ex.) Basic stretching Energy Balance BMI Weight Status Below 18.5 Underweight 18.5 – 24.9 Normal 25.0 – 29.9 Overweight 30.0 and Above Obese Body Mass Index (BMI) – Serves to examine body mass related to stature. BMI = kg / m2 (Weight in lbs. / 2.2046) / [(Height in in. x 0.0254) x (Height in in. x 0.0254)] Ex.) 6’2 176 lbs. 74 inches x 0.0254 = 1.8796 meters 176 lbs. / 2.2046 = 79.8 kilograms 79.8 / (1.8796 x 1.8796) 79.8 / 3.532 22.59 For example, here are the weight ranges, the corresponding BMI ranges, and the weight status categories for a sample height. Height 5’ 9” Weight Range BMI Weight Status 124 lbs or less Below 18.5 Underweight 125 lbs to 168 lbs 18.5 to 24.9 Normal 169 lbs to 202 lbs 25.0 to 29.9 Overweight 203 lbs or more 30 or higher Obese 5 Components of Physical Fitness Cardio-respiratory Endurance – Muscular Strength Muscular Endurance – Body Composition – Flexibility Energy Balance BMI Weight Status Below 18.5 Underweight 18.5 – 24.9 Normal 25.0 – 29.9 Overweight 30.0 and Above Obese Body Mass Index (BMI) – BMI = kg / m2 (Weight in lbs. / 2.2046) / [(Height in in. x 0.0254) x (Height in in. x 0.0254)] Ex.) 6’2 176 lbs. 74 inches x 0.0254 = 1.8796 meters 176 lbs. / 2.2046 = 79.8 kilograms 79.8 / (1.8796 x 1.8796) 79.8 / 3.532 22.59 For example, here are the weight ranges, the corresponding BMI ranges, and the weight status categories for a sample height. Height 5’ 9” Weight Range BMI Weight Status 124 lbs or less Below 18.5 Underweight 125 lbs to 168 lbs 18.5 to 24.9 Normal 169 lbs to 202 lbs 25.0 to 29.9 Overweight 203 lbs or more 30 or higher Obese
