Nutrition and Athletic Performance Position Statement 2000

1
Nutrition and Athletic PerformancePosition
Statement - 2000

• American College of Sports Medicine
• American Dietetic Association
• Dietitians of Canada

2
Key Points

• During times of high-intensity training, adequate
  energy needs to be consumed to
• maintain body weight,
• maximize the training effects,
• and maintain health.

3
Key Points

• Low-energy intakes can result in
• the loss of muscle mass,
• menstrual dysfunction,
• loss or failure to gain bone density,
• and increased risk of fatigue, injury, and
  illness.

4
Key Points

• Body weight and composition can affect
  performance but should not be used as the sole
  criterion for participation in sports
• daily weigh-ins are discouraged.

5
Key Points

• Body fat levels vary based on sex, age, heredity,
  and sport.
• Assessment techniques have inherent variability.

6
Key Points

• If weight (fat) loss is desired, it should start
  early - before the competitive season - and
  involve a trained health and nutrition
  professional.

7
Key Points

• CHO - maintain blood glucose levels and restore
  muscle glycogen.
• 6 to 10 g/kg/d
• Effected by energy expenditure, sport, sex, and
  environmental conditions.

8
Key Points

• Protein
• Endurance athletes - 1.2 to 1.4 g/kg/d
• Resistance athletes - 1.6 to 1.7 g/kg/d
• Met through diet.
• No supplements needed.

9
Key Points

• Fat - provides energy, fat-soluble vitamins, and
  essential fatty acids.
• 20-25 of total calories
• No need to restrict below 15
• No benefit to higher fat diets

10
Key Points

• Athletes at greatest deficiency risk
• Those who restrict energy intake
• Those who use severe weight-loss practices.
• Those who eliminate one or more food groups from
  their diet.
• Those who consume high CHO, low nutrient foods
  (simple sugars).

11
Key Points

• Dehydration decreases exercise performance.
• 2 hrs. prior - 400 to 600 ml (14 to 22 oz)
• During - 150 to 350 ml (6 to 12 oz) every 15 to
  20 minutes
• After - 450 - 675 ml (16 to 24 oz) for every 1/2
  kg (1 lb) of body wt lost.

12
Key Points

• No vitamin and mineral supplements should be
  required if an athlete is consuming adequate
  energy from a variety of foods to maintain body
  weight.

13
Key Points

• Athletes should be counseled regarding the use
  of ergogenic aids, which should be used with
  caution and only after careful evaluation of the
  product for safety, efficacy, potency, and
  legality.