PRS Girls Volleyball Performance Eating & Hydration Hydration Proper hydration is vital in order for athletes to achieve peak performances. Fluid balance helps with many of the bodily functions, including cardiovascular function, body temperature regulation, injury prevention, and recovery; things that are all needed for an athlete to be successful. If an athlete is not properly hydrated, their body will be unable to perform at its highest level, and may cause them to feel fatigue, muscle cramps, dizziness and possibly more serious symptoms. It is important for all people to be sufficiently hydrated, but more so for athletes. Most athletes sweat, and are losing body weight in the process. A loss of as little as 2 percent of body weight caused by dehydration can increase fatigue and impair performance. Athletes who drink enough water can compete up to 33 percent longer than those who do not drink enough. When thinking about hydration, think about what is needed for the day along with what will be needed for exercise. All fluids (except alcohol) count towards daily fluid requirements. Water, juice, sports drinks, milk, coffee, and tea count fully as fluids. It is important to have a balance of fluids to get an adequate balance of electrolytes. Athletes should consume at least 90 ounces of fluid daily (11 cups). Dehydration can be quite serious, and can come on quickly. Some of the symptoms that may be experienced, associated with dehydration are; thirst, muscle cramps, weakness, impaired performance, headache, nausea, fatigue, burning in stomach, dry mouth or dizziness. It is important to stop activity once these symptoms come on, and hydrate. During The Day Drink: 16 to 20 ounces of fluid within one hour of rising 20 ounces of fluid with every meal 16 to 20 ounces with every snack For Exercise: Hydrate properly before, during, and after exercise. It can take 60 minutes for 20 ounces of fluid to empty from the stomach and be absorbed by the intestine. There are four rules to hydration; 1. Players must drink 20 ounces of fluid one hour before practices and games. 2. Players must drink 14 to 40 ounces of fluid, depending on their sweat rate, per hour of exercise. 3. After practices/games, players must drink 24 ounces of fluid for every pound lost during activity. 4. Players must know their sweat rate so they know how much to drink per hour. How to calculate your hourly sweat rate: 1. Weigh yourself before and after exercise. Wear as little clothing as possible while weighing. 2. Subtract your post exercise weight from your pre-exercise weight and then convert it to ounces. For example, there are 16 ounces in a pound, so if you lose 2 pounds during exercise, you have lost 32 ounces. 3. Add the number of ounces of fluid you consumed during practice. 4. Divide the sum of the amount of fluid lost plus amount of fluid consumed by the number of hours you exercised to get your hourly sweat rate 5. Pre-exercise weight – Post exercise weight + fluid consumed during exercise Hours spent exercising = hourly sweat rate & number of ounces to consumer per hour Example Pre-exercise weight (148 lbs) – Post exercise weight (145 lbs) = 3 lbs or 48 ounces + 20 ounces (amount of fluid consumed during exercise) 2 hours (number of hours in practice) = 48 + 20 = 68 ÷ 2 = 34 ounces of fluid required per hour During exercise, it is a good idea to drink a combination of water at sport drinks. Make sure you stay away from energy drinks, soda and carbonated beverages; these drinks take too long to leave the stomach. The goal of fluid intake is to move the fluid out of the stomach quickly so that it can get to the muscles. General Eating Guidelines It is important for all athletes to have enough fuel to produce the energy needed to get through practices and games. It is important to increase the efficiency of the body for the demands of the sport, which can only be accomplished if the energy needs are met. Keep in mind that food drives the process! Volleyball uses both the anaerobic system and the aerobic system. Anaerobic means “without oxygen”, the anaerobic system does not require oxygen to generate energy. This system is very efficient, quickly producing energy for the body to use when energy needs increase rapidly. The anaerobic system is the one called into action until enough oxygen is available to the body so that the aerobic system can kick in. The aerobic system requires oxygen, and uses two main fuel sources; carbohydrates and fats. To be fueled optimally during practices and games, the body must have adequate stores of macronutrients used as energy. Nutrients The body requires 6 separate types of nutrients in order to function properly: carbohydrates, fats, proteins, vitamins, minerals, and water. An imbalance of these nutrients may impair performance and recovery. Carbohydrates Athletes benefit most from the amount of carbohydrates stored in the body. Carbohydrates can be broken down into glucose, a form of sugar that is the major energy source for the body. Each gram of carbohydrate contains 4 calories. Carbohydrates are classified as simple or complex. Simple carbohydrates are found in fruits, milk, honey and sugar. Complex carbohydrates are found in foods such as pasta, potatoes, cereals and grains. During digestion, the body breaks down carbohydrates to glucose and stores it in the muscles as glycogen. During exercise, the glycogen is converted back to glucose and is used for energy. The ability to sustain performance is directly related to initial levels of muscle glycogen. It is recommended that 45 to 65 percent of total daily calories come from carbohydrates. For the average athlete, it is recommended that they consume 2 to 3 grams of carbohydrates per pound of body weight. The glycemic index indicates the effects of carbohydrate-rich foods and fluids on blood glucose and insulin levels. The glycemic index ranks foods by comparing the blood glucose response after ingestion. The response reflects the rate of digestion and absorption of the foods. Foods with a low glycemic index raise blood glucose slowly, whereas foods with a higher glycemic index raise blood glucose more rapidly. Moderate and low glycemic index foods take longer to enter the blood stream and may be preferred to sustain endurance. Foods that are high on the glycemic index may serve as an advantage when they are aiming for rapid repletion. Foods with a high glycemic index: candy, cake, raisins, white bread, millet, couscous, honey, carrots, pretzels, watermelon, ice cream, sports drinks, bagels, cereals, pancakes, potatoes. Foods with a moderate glycemic index: pita, rice, barley, peas, mango, kiwi, buckwheat, sweet potato, power bars, banana, citrus juices, grapes, tortillas, corn. Foods with a low glycemic index: milk, yogurt, rice bran, lentils, dried apricots, citrus fruits, tomato soup, pears, plums, beans, apple juice, chickpeas, nuts, hummus, sports bars such as Zone and Balance. Fats Fat is the most calorically dense nutrient; each gram of fat supplies 9 calories. There are 3 types of fats: saturated, monounsaturated, and polyunsaturated. Dietary fat is an important component for heart health, blood pressure regulation, hair and skin health, and protection of vital organs. Fat also aids in the absorption of fat-soluble vitamins and provides energy to athletes. Saturated Fats: skin on poultry, fat on meat, butter, whole milk, cheese, cream, ice cream, coconut oil, palm oil. Monounsaturated Fat: nuts, nut butters, olives, avocados, seeds, tahini. Polyunsaturated Fat: corn oil, safflower oil, soybeans, walnuts, flaxseed, fatty fish. Trans Fat: margarine, baked goods, doughnuts, some sports bars, some ice cream, icing. It is recommended that fat intake be 20 to 35 percent of daily calories. It is good to have a combination of all fats; 7 to 10 percent in saturated fats, 10 percent in monounsaturated fats, and 10 percent in polyunsaturated fats. Protein After carbohydrates and fats, protein provides energy for the body. Amino acids are the building blocks of protein, and 10 of them are essential, meaning that we have to consume them through foods because the body does not produce them. Protein is necessary for tissue growth and repair, bone health, a healthy immune system, and muscle building and maintenance. Each gram of protein supplies 4 calories. Both animal and plant foods contain protein. The protein in foods is classified as either complete protein (protein that contains all the essential amino acids) or incomplete protein (protein that does not contain all the essential amino acids). Foods with complete proteins: meat, poultry, fish and shellfish, eggs, dairy, soy foods Foods with incomplete proteins: beans, grains, nuts, seeds, vegetables It is recommended to have a protein range from 10 to 35 percent of daily caloric requirements. Athletes who do not meet their protein needs are more likely to have decreased muscle mass, a suppressed immune system, and increased risk of injury. However, excessive amounts of protein can also lead to dehydration, increase body fat stores, fatigue and impaired performance, and result in an imbalanced diet that is usually deficient in carbohydrates. Minimum number of grams per day: .6 x body weight in pounds Maximum number of grams per day: .9 x body weight in pounds Salt If you are an athlete that loses significant amounts of sodium during exercise, you are known as a salty sweater. You can tell this if you have a salty residue on your skin or clothes after a workout. Muscle cramps are another symptom of salty sweaters. There are healthy ways and unhealthy ways to add salt to your diet; some healthy ways are: use salt, soy sauce or Worcestershire use sports drinks as suppose to water, which provide sodium eat salty foods like pretzels and pickles Be careful not to confuse sodium with potassium. While potassium is lost during exercise, it is quite small amounts when compared to sodium loss. Food Supplement These are the best supplements to use: Gatorade or G2 Sports bars that have more carbohydrates than protein High sodium foods if you are a salty sweater Eating Around Competition Night Before Game: Drink an extra 2 glasses of fluids early in the evening. Eat a dinner that is two thirds carbohydrates One Hour Before Practice/Game: Drink 20 ounces of sport drink or 20 ounces of water along with a small amount of carbohydrate. During Practice/Game: Take in 30 grams of carbohydrate per hour by consuming foods such as 16 ounces of a sport drink, one banana, or orange slices. Drink enough fluid per hour based on your sweat rate. After Practice/Game: Drink enough to replace sweat loss. Eat or drink something with calories within 15 minutes of practice or play. Within a 45 minute window, include foods that have high GI mixed with protein, vitamins and minerals to help get the glycogen stores filled, this is crucial for recovery; such as trail mix, granola bars, or fruit. Steer Clear: caffeine, carbonated beverages, high-fiber cereals, dried beans, cabbage family vegetables, fatty foods, fried foods, dried fruit and juices. Food Choices The goal is to choose BEST foods 60 percent of the time, the OK foods 30 percent of the time and the NOT-SO-GOOD foods 10 percent of the time. BEST! Carbohydrate Protein Fats Whole-grain breads Extra Lean meats Olive oil Brown rice Poultry olives Pasta (quinoa or brown rice) Fish Safflower oil Quinoa Shellfish Soybean oil Oatmeal Soy avocado Fruits Beans Peanut oil Vegetables Eggs Nuts Amaranth Low-fat dairy products Nut butters seeds OK Carbohydrate Protein Fats Pretzels Cheese Light salad dressings Baked chips Lean ground meats Light butter Fruit juice Fish canned in oil Low-fat granola bars Low-fat crackers NOT SO GOOD Carbohydrate Protein Fats pastries Fried meats butter chips Sausage margarine candy bacon Cream sauces French fries salami Fat-free salad dressings Soda bologna Fruit drinks Sample Daily Menu Breakfast: Include a protein source. Focus on low GI foods that are nutrient dense, stay away from high GI foods. 8 ounces of water 1 cup power oatmeal (rolled oats, quinoa flakes, amaranth & millet) ¼ cup chopped nuts ¼ cup mixed berries 12 ounces milk ( cow, almond or soy) Lunch: Include a lean protein source, no rich or fatty foods that are difficult to digest. No high GI foods (soda, mashed potatoes, rolls, etc.) Include low GI foods that are nutrient dense. Chicken Pesto Wrap (grilled chicken, cucumbers, spinach, tomatoes, pesto, whole wheat tortilla) 8 ounces water, juice or iced tea 1 sliced apple Baked sweet potato chips Dinner: 5 ounces Grilled halibut (or other fish) 1 ½ cups Grilled asparagus 1 cup quinoa 8 ounces milk, juice, or water Snacks: Include foods that are low GI, low-moderate fat, include a protein source and nutrient dense. Low-fat cottage cheese with fruit Apple with almond butter 20 ounces of water Greek yogurt with mixed berries and almonds Combination protein/carbohydrate bar/shake REMEMBER: Spread out your food intake throughout the day Eat 4 to 6 smaller meals as suppose to 3 larger meals Try to eat at least every 3 hours with a proper meal or snack, including both carbohydrates and protein. A Female Athlete’s Guide to Proper Fueling 1. Daily calorie goal Weight in pounds x 15-20 = # of calories per day As a guideline: 16 – 17 calories per pound [Weight (pounds) x 20] – 300 = calories for weight loss [Weight (pounds) x 20] + 500 = calories for weight gain 2. Composition of the diet for optimal performance Protein 15% Carbohydrates Fat 25% Carbohydrate: 50 to 60 percent Carbohydrates 60% Protein: 15 to 20 percent Fat Protein Fat: 20 to 30 percent Because a gram of carbohydrate or protein has 4 calories and a gram of fat has 9, you can calculate the daily requirements for carbohydrate, protein, or fat like this: Carbohydrate requirements in grams = .60 x daily calories divided by 4 Protein requirements in grams = .15 x daily calories divided by 4 Fat requirements in grams = .25 x daily calories divided by 9 Example A 130-pound athlete would need 1,950 to 2,600 calories per day (weight in pounds x 15-20), which would be made up of the following: Carbohydrate needs: .50 to .60 x 1950 to 2600 divided by 4 = 243 to 390 grams of carbohydrate Protein needs: .15 to .20 x 1950 to 2600 divided by 4 = 73 to 130 grams of protein Fat needs: .15 to .30 x 1950 to 2600 divided by 9 = 43 to 87 grams of fat Tips for a Quick Recovery Stretch! Rest! Hydrate! Eat Properly! Sleep! Find “YOU” Time Communicate! Stay Organized & Ahead of the Game! Smile!