Chapter 6 Flashcards
Primary cause of weight gain
decline in frequent exercise
Warning sign of heart disease
widening waist
F 35
M 40
Waist circumference
shows central obesity, more for M
Ways to determine body fat %
- skin fold
- stand-on monitors
- BIA (electric currents to test lean - good conductor)
- Hydro (fat displaces less water)
- DXA (skeletal and soft tissue components)
- Bod Pod (relationship between pressure and volume)
All weight problems from
energy imbalance
Obese when younger
more challenges in future
What obese age group faces the most risk of early death
middle age
Obesity increases the risk of which psychiatric illness
suicide
Rapid weight loss can be a sign of
a health problem
Way to gain weight
- eat more then you burn
- variety (30% fat)
- eat more frequently
- consume calorie-rich (dried fruit)
- drink juice
- add a liquid meal
- exercise regularly
2 effective strategies for loosing weight
eat less and exercise more
Lepti
send signal to regulate appetite in brain
normal = eat just enough to maintain weight
low = slows metabolism
Ghrelin
natural appetite stimulant, can be lowered by exercise
Big changers
more likely to keep weight off
High-protein diets
increase protein and decrease carbohydrates
10-35% calories from protein
Low carb/fat diets
correct proportions of nutrients to create hormone balance, unsatisfying
Low carb high fat diets
reduces hunger so consume less calories,
Key components of a successful diet
- 500 less calories consumed (M1,500, F1,200)
- High protein
- Moderately low calories
- Low glycemic index
- minimum of 30 mins daily exercise
Calorie intake matters most for
weight management
Counseling and calorie control
maintained weight loss for one year
Very/low calorie real replacement
attrition high, greatest weight loss at first, increased risk of gallstones
Self-directed weight loss
greater weight loss, constipation