Sports Nutrition for Young Athletes - Amazon Web …...Sports Nutrition for Young Athletes Bob...
Transcript of Sports Nutrition for Young Athletes - Amazon Web …...Sports Nutrition for Young Athletes Bob...
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Sports Nutrition for Young Athletes
Bob Seebohar, MS, RD, CSSD, CSCSSport Dietitian
USAT Level III Coach
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Bob Seebohar, MS, RD, CSSD, CSCS• BS-Exercise and Sport Science
• MS-Health and Exercise Science
• MS-Food Science and Human Nutrition
• Registered Dietitian (RD), Board Certified Specialist in Sports Dietetics (CSSD)
• Exercise Physiologist
• Certified Strength and Conditioning Specialist (CSCS)
• Past Director of Sports Nutrition, University of Florida
• Past Sport Dietitian, United States Olympic Committee
• 2008 Olympic Team Sport Dietitian/Coach
• USAT Level III Elite and Youth/Junior Certified Coach
• Competitive triathlete/ultra-endurance athlete
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Objectives
• Explain specific nutrition considerations for young athletes including:
• Macronutrients• Micronutrients• Hydration
• Provide simple to implement, daily nutrition guidelines for young athletes
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Age Definitions
• Children: 4-12 years of age
• Adolescents: 13-18 years of age
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Research
• Youth are often times more mechanically inefficient
leading to higher energy expenditures
• Young children need 20-30% more oxygen than adults
when running at the same speed
• Youth have higher energy needs than adults, yet research
promotes more adult specific nutrient guidelines
• Each young athlete should be individually monitored
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Research
• Self-reported energy intakes of youth (age 7-18) range from
around 1600 calories to 4500 calories
• Gymnastics, swimming, volleyball, dance, running,
wrestling, football
• Depends on age, gender and sport
• Remember, our youth are typically playing other sports
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Energy Requirements
• Goal: support growth and training
• Calorie restriction can lead to
• Delayed puberty
• Short stature
• Menstrual irregularities
• Poor bone health
• Increased risk of injuries and eating disorders
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Carbohydrate
• Energy supply
• Mental, physical
• Stored in low amounts
• Size of youth, even fewer stores
• Endogenous stores/snack opportunities
• ~20% more utilization of endogenous stores
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Protein• Youth have higher protein needs than adults but no
clearly defined requirements
• May be 2-3 times higher than Recommended Dietary
Intake (RDI)
• When energy intake is adequate, protein intake is
typically adequate
• Growth spurts
• Vegetarianism
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Fat
• Young athletes can use fat as energy during exercise
better than adults
• Increased fatty acid uptake
• Lower RER during exercise
• Proper education is critical to get away from fear of fat
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Vitamins
• If energy intake meets energy expenditure, vitamin
needs should be met
• Energy restriction can lead to inadequate vitamin intakes
• Deficiencies take an extended period of time to develop
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Minerals
• Most common deficiencies
• Calcium (bone development)
• Peak bone mass around 20-22 years of age
• Iron (oxygen delivery)
• 40-50% females may be iron deficient
• Zinc (growth, energy production)
• More common in females
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Education
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Supplements
• Reason for taking supplements
• Insurance
• Lack of knowledge
• Peer pressure
• Educate, do not prescribe
MicronutrientMulti
CalciumIron, Zinc
SportBars, Gels
DrinksElectrolytes
ErgogenicPills
PowdersPotions
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Hydration
• Less developed and efficient thermoregulatory mechanisms
• Greater surface area to body volume ratio
• Smaller child = higher heat production
• Exposed to a faster influx of heat when environmental
temperature exceeds skin temperature
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Hydration
• Do young athletes know thirst?
• Sweat rate ranges from 17.3 - 42.6 ounces per hour
• Girls may be less prone to voluntary dehydration due to
lower sweat rates
• Voluntary hydration and incidence of dehydration
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Hydration Guidelines
• Before
• Drink until not thirsty plus 4 ounces for children
• Drink until not thirsty plus 8 ounces for adolescents
• During
• Drink 4 ounces every 15 minutes
• After
• Drink at least 16 ounces
•
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Teaching Youth: Simple is Sustainable
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FuelTargetTM
1
2 3
1: Lean proteins/healthy fats
2: Fruits and vegetables
3: Whole grains/healthier starches
“Misses”
90%
10%
Eat from the inside out
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FuelTargetTM FoodlistLean Protein/Healthy Fat
Fruits/Vegetables Whole Grains Misses
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Nutrient Timing
Before During After
1-3 hours During 1-60 minutes
LIght snack or mealHydration
Electrolytes (maybe)Light snack or meal
Teach food first model
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Female Athlete Triad
• Body image in boys and girls
• Careful communication
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Food Choices• Hunger: biological, habitual, emotional
• Time/convenience
• Family: parental role
• Influence: peers, teachers, teams
• Health/body image
• Cost
• Cravings: blood sugar
• “Picky” eaters/repetition
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Summary
• Use simple methods to teach young athletes
• Model the behavior
• Encourage self-reliance (education)
• Get them involved (goal setting, assessing, planning)
• Praise change, do not criticize
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Contacts and Resources
E-books• Sodium Loading Protocol for Endurance Athletes• Neuromuscular, Dynamic and Functional Exercises for Athletes • Caffeine Protocol for Athletes• The Athlete’s Food Guide to Metabolic Efficiency• The Metabolic Efficiency Recipe Book
© Fuel4mance, LLC 2012. All rights reserved. Content may not be reproduced without permission from Fuel4mance, LLC.
Sports Nutrition: www.fuel4mance.com
Coaching Educational Resources: www.multisportuniversity.com
Youth Triathlon: www.kidsthattri.org
Adult Triathlon: www.teamemc.com