Ms Tanya Hamilton Professor Dave Gerrard North/Sun_room10_0832_Hamilton... · 2018-06-09 · Ms...
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Ms Tanya Hamilton Senior Performance Nutritionist High Performance Sport New Zealand (HPSNZ) Auckland 8:30 - 9:25 WS #192: Sports Nutrition 101 for GPs - a panel 9:35 - 10:30 WS #204: Sports Nutrition 101 for GPs - A panel (Repeated) Ms Jeni Pearce Head of Performance Nutrition High Performance Sport New Zealand Auckland Professor Dave Gerrard Dunedin School of Medicine High Performance Sport New Zealand (HPSNZ) Auckland
Transcript of Ms Tanya Hamilton Professor Dave Gerrard North/Sun_room10_0832_Hamilton... · 2018-06-09 · Ms...
Ms Tanya HamiltonSenior Performance Nutritionist
High Performance Sport New Zealand
(HPSNZ)
Auckland
8:30 - 9:25 WS #192: Sports Nutrition 101 for GPs - a panel
9:35 - 10:30 WS #204: Sports Nutrition 101 for GPs - A panel (Repeated)
Ms Jeni PearceHead of Performance Nutrition
High Performance Sport New Zealand
Auckland
Professor Dave
GerrardDunedin School of Medicine
High Performance Sport New Zealand
(HPSNZ)
Auckland
NUTRITION FOR DEVELOPING
ATHLETESTanya Hamilton
HPSNZ Performance Nutritionist
Copyright Tanya Hamilton 2018.
Setting the scene
12-18 year old athletes:
Competitive verses active
Physical (puberty, growth spurts)
Cognitive
Social
Studying
+ sport (type, intensity and volume)
E.g.14-15 yr old Swimmer
Active: 2- 4hr/week +/- other sports
Competitive: 14.5hr/week +/- other sports
Copyright Tanya Hamilton 2018.
Big rocks
■ Energy availability
■ At risk nutrients
■ Supplements
Copyright Tanya Hamilton 2018.
Energy Availability (EA)
■ EA = Energy Intake – Exercise Energy Expenditure
■ Energy requirements high E.g. 14 yo swimmer 4hr/day training ~14,000 KJ/day
■ Difficult to estimate energy requirements
■ When is it an issue?
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Is energy adequate?✓ Growing
✓ Healthy
Recurrent illness
Unexplained injury/fractures
Poor response to training
Failing growth milestones/weight loss
Ongoing fatigue
Following certain diets
Eating disorder/disordered eating
GI issues
Chronic low mood / motivation
Lack of/disturbed sleep
Nutrient deficiencies
Chronic poor appetite
Not performing as expected
Irregular/absent menses/abnormal hormone profile
Poor concentration/suffering school work
Suffering relationships
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At risk nutrients
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Calcium:
Higher than adult
(1300mg/day)
Energy production/performance
Haemoglobin synthesis
Bone health
Immunity
Protection against oxidative
damage
Synthesis and repair of muscle
tissue
Vitamin D:
(5ug or 400IU/day, AI
5mg/day)
Bone density
Muscle strength & function
Immunity
Physical performance
At risk nutrients
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Iron:
11 15mg/day
Energy metabolism
Immunity
Technical skills performance
Physical performance
Food focused
Food group guided
■ Correct inadequacies
■ Aim for daily consistency
Patterns
■ 2-3 hourly meals and snacks
■ Constant state of preparation and
recovery
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Supplements? simply…no
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Undermines everything else
Safety & effects = unknown
Athletes are unique
Individualise, customise and periodise
Prescribed supplements
(NZ Formulary listed as medicine or AUST R number)
Contamination
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Manufacturing IS important
Purity
Efficacy
DIETARY SUPPLEMENTS
Efficacy
Purity
MEDICINES
Chapters
17 & 5
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Thank you
Questions
Key references
14,400kj day
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