body comp

Question 1

why do we study body comp?

4 of them

Answer 1

• assess decrease in body fat during weight management
• help athletes determine best body comp for performance
• monitor fat and fat free weight in oatients w/ disease
• track long term changes that occur w/ aging

Question 2

3 different types of somatotypes

Answer 2

• endomorphy: fat
• mesomorphy: square, rugged, large/heavy muscled
• ectomorphy: linear, mall bones/thin muscles

Question 3

problems with body size as indicator of body comp

Answer 3

• no way to tell actual body ocmp

- very muscular person could be classified as obese

Question 4

what is 2 component model of body comp

example

Answer 4

• fat free and fat mass

ex. skinfolds/ hydro weighing

Question 5

what is 3 component model of body comp

example

Answer 5

• body water
• protein + mineral
• fat
  ex. BIA

Question 6

what is 4 component model of body comp

Answer 6

• mineral
• water
• protein
• fat
• most accurate

Question 7

disadvantages and advantages of skin folds

Answer 7

dis: -skil required: measurement and choosing right equation
advan: quick, inexpensive, accurate, can be done anywhere

Question 8

disadvantages and advantages of hydro weighing

Answer 8

dis: time consuming, expensive, some afraid of water
advan: accurate, no “fat” escapes

Question 9

disadvantages and advantages of BIA

Answer 9

dis: hydration levels, overpredicts lean, underpredicts obese
advan: little technician error, easy for subject