= what your body is made of Body Composition is the Ratio between Lean Body Mass and Body Fat What is a Ratio?

BODY FAT

LEAN BODY MASS What makes up your body? MUSCLES BONES SKIN Blood Vessels ORGANS Water & Blood

Factors that affect Body Compostion Heredity Metabolism Maturation Diet and Exercise

#1 Heredity – Body Type

Thin High Metabolism Flat Chest Has trouble gaining weight Delicate Build Small amount of muscle mass Low body-fat % Round shaped Slow metabolism Soft body Trouble losing weight High body-fat% Underdeveloped muscles Medium to large bone size Gains or loses weight easily Low-to-medium body fat% Large amount of muscle mass Medium to high metabolism What is Your Body Type?

#2 Metabolism The chemical process that changes food into energy for working, growing and sleeping Metabolism affected by age and heredity Exercise can jump start metabolism

#3 Maturation Hormone levels change –Testosterone increase in boys –Estrogen increase in girls Emotions -Stress -Depression -Anxiety

#4 Diet AND Exercise Smart food choices Balance food intake with activity Calories in Calories out

*Cycle for 2 hours and 20 min. *Walk for 3 hours and 20 min. *Play hockey for 1 hour 45 min Remember Calories In…Calories Out 3500 calories = 1 pound

Why are body composition/BMI and the Cardio tests linked for the Physical Fitness Test? Body Composition is a critical factor in the exercise performances used to estimate aerobic capacity.  Physically active youth will generally have levels of aerobic fitness and levels of fatness. overweightstill be fit  It is possible for youth to be overweight and still be aerobically fit and normal weight unfit. for youth to be of normal weight and be aerobically unfit.

Measure Body Composition Bod Pod Hydrostatic Weighing

Dual-Energy X-Ray Absorptiometry (DXA) Ait can accurately detect body fat, bone, muscle, and other body tissues. High Tech X-Ray machine takes a 3D picture of the body A computer than analyzes the picture to determine the amounts of different kinds of tissue (fat/bone/muscle)

The DXA Machine and Scan

Skin Calipers Bio Impedance BMI Charts Height/ Weight Charts Bio Impedance Machines

Functions of Fat Transport System for Vitamins A, D, E, & K Insulator Protection of Organs Stored Energy for Emergencies

Anorexia/Anorexia Athletica *Doesn’t eat *Exercises alot Bulimia *High Achievers *Eats alot of food *Distored view of their *Throws-up Bodies *Rotten teeth/gums *Wears baggy clothes Health Risks from not enough Body Fat

OBESITY Heart Disease Health Risks from to much Body Fat

Important Facts about Fat  Women have more body fat then men  Fat cells develop as babies and teenagers  Health issues arise when there is to much body fat or not enough.  Active teenage boy need 2800 calories  Active teenage girl need 2200 calories  Gain Weight = Weight Lifting activities  Lose Weight = Cardiovascular activities  Healthy range for boys (14-16 yrs) 7.1%-20.1%  Healthy range for girls (14-16 yrs) 14%-29.7%

FITT FORMULA F = eat 3 meals a day or 4-5 small meals I = to lose 1 pound you must eat less then 3500 calories. To gain 1 pound you must eat more than 3500 calories. To maintain weight you must take in as many calories as you use. T = Lose no more than 2 pounds per week T= Weight gain = Weight Training Weight loss = Cardio