nutrition & calories linn-mar high school strength training and fitness
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Nutrition & Calories
Linn-Mar High School
Strength Training and Fitness
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What is Nutrition? Is it Important
Nutrition is the food you intake (your diet)
Yes, it is VERY important!In terms of fitness and wellness,
in many ways its equally (if not more) important than exercise!
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A CALORIE = Basis of it All!
A Calorie = Energy
Our bodies need energy to function and stay alive
That energy comes from the food we eat
One Calorie equates to the amount of energy required to increase the temperature of one Kg of water, one degree Celsius
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How Many Calories do I need?
On Avg, your body needs 1800 calories per day, just to stay alive.
With normal daily life, your body will need more’
If you are extremely active, you could need as many as 3500 to 4000 calories per day.
It all depends on the individual
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Basic Nutrients
CarbohydratesFatsProteinsWaterVitaminsMinerals
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Carbohydrates
1 Gram of Carbohydrates = 4 Calories
Primary energy source for your body
Can be eaten and used for energy
2 Kinds of Carbs
Complex: grains, breads, cereal, fruits, vegetables (the good kind!)
Simple: Sugars (Not so good, little nutritional value
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Fats1 Gram of fat = 9 CaloriesVery Dense Energy SourceIs also used to cushion the body’s
organs2 Kinds:
Saturated: From animal sources (bad kind - LDL)
Unsaturated: From Plants (good kind - HDL)
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Proteins
1 Gram of Protein = 4 CaloriesAre not used for energyAre the building blocks for tissue
growth, development and repairSources
Animal: Meat, eggs, dairy, fish, poultry (high quality)
Plant: Nuts, grains, some vegetables (lower quality)
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WATER
Is EXTREMELY important
80% of your body is made up of water. Its stored everywhere
It is used in virtually all bodily functions
You should drink at least a ½ gallon of water per day (8-8 oz cups of water)
Thirst is not an indicator of dehydration.
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Daily Requirements
Carbohydrates = 60% of calories (more complex, less simple)
Protein = 15% or moreFat = 25% or less (more
unsaturated, less saturated)
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Does Nutrition Affect Body Composition?
If you expend the same amount of Calories you take in, your weight will stay the same.
If you expend MORE calories than you take in, you will lose weight.
If you TAKE IN MORE than you expend, you will gain weight.
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Calories in 1 Pound
1 Pound = 3,500 CaloriesTo lose 1 Pound, you need to expend
3500 more calories than you take inTo gain 1 Pound, you need to take in
3500 more calories than what you expend.
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Nutrition Assignment
Basal Metabolic Rate (BMR)
The amount of calories your body needs at rest
Active Metabolic Rate (AMR)
Amount of calories you expend through different types of activities throughout the day
http://preventdisease.com/healthtools/articles/bmr.html
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