Calories per pound of fat = 3500.
Net Calories per day = Calories In – Calories Out
Calories In = Total caloric intake
Calories Out = Daily static usage + Exercise usage
Daily static [sort of] calorie usage. This should increase with increased muscle mass.
Infrared permissivity of skin.
Infrared reflectivity of blood.
O2 content of blood = some combination of infrared feedback…
Power of ECG signal from heart.
Conductivity of human fat.
Conductivity of human muscle.
Measuring lung capacity indirectly through volume change of chest when breathing. accuracy?