energy balance and control of body weight

Question 1

how is total body composition measured

Answer 1

• Body density
• Body water
• Total body K
• Methyl histidine or creatinine excretion
• Skinfold measurements
– Biceps, triceps, supra iliac, sub scapular
• Mid-arm circumference

Question 2

what is bioelectrical impedance

Answer 2

electrical signal is sent through the body
travels quickly through lean tissue (high % water, therefore good conductor of electricity

work out body fat percentage.

Question 3

what is the Air Displacement Plethysmography

Answer 3

Measure volume of chamber with and without subject From subject wt and volume can calculate body density and fat and fat free mass