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The Importance of Nutrition In Fitness
~This is a guest post by a friend of mine, Dr. Karen Danish, LAP ~Enjoy!~
It’s difficult to talk about nutrition without fitness, and fitness without nutrition. They go hand-in-hand, and help balance each other out, creating a healthy body and mind. Proper nutrition fuels the muscles to help us power through not only tough workouts but our day-to-day activities. Nutrition, by definition, is a process the body uses to digest food and use it for energy, growth and development. Fitness describes our body’s ability to process energy in the most efficient way possible. It covers a wide range of topics including endurance, body composition, strength and flexibility. Without proper nutrition, our bodies have the inability to work on fitness levels. See? You just can’t talk about one without the other. Here, we’ll talk a little bit more about how nutrition helps your fitness, how a lack of nutrition hurts it, and why exercise alone isn’t enough.
Have you ever heard, “You are what you eat?” It’s true, especially when discussing nutrition and fitness. And it’s pretty simple. Eating bad food makes you feel bad, and eating lots of good food makes you feel really good. Foods that are packed with vitamins, nutrients and are more natural are better for you and your body. Higher calorie, processed foods take a toll on your body and daily routine. Foods higher in nutrients give you energy, keep you focused on work or chores, and a healthy diet can promote good health habits in all areas of your life. When you eat right, your body works more efficiently, giving you the energy to exercise and keep up your fitness routine.
You know that good foods make you feel and look good, so why do bad foods hurt your fitness? Things on the outside might look ok with a poor diet, but on the inside, blood sugar levels are adversely affected, cholesterol levels can skyrocket, major damage can be done to the heart, and your digestive tract will not work as efficiently. Your motivation to keep up a healthy exercise routine will take a hit as well. You won’t have enough energy to make it a priority. It’s just a fact: you cannot out-exercise a bad diet.
Many people think that even if we don’t maintain a perfect – or even great – diet, we can hit the gym and still maintain a healthy body. This is not only wrong, but dangerous. If you load up on unhealthy, sugar-laden foods then head to the gym for an intense workout, it spells trouble. Eating foods that are packed with nutrients are better for powering a workout and helping you sustain your fitness level. The wrong kind of fuel will cause an inevitable breakdown at some point. Your body needs and deserves the right kind of energy, which is important to an active lifestyle.
It’s simple: nutrition and fitness go together. Always. Your body needs a healthy diet in order for it to what you want it to do efficiently. Consult a doctor or dietitian with specific questions about what you should be taking in to support your fitness routine.
This post was written for IronGoof, by Karen Danish, LAP. Karen is a licensed acupuncture physician and a valued staff member at Anne Hermann MD, PA, St. Petersburg Weight Loss Clinic.
How Sleep and Recovery will Help You Cross the Finish Line
My coaches all have always tried to instill in me the importance of a good night sleep. Especially as the intensity and duration of my workouts have been increasing. The issue for me is that I have a phobia of growing older. What does one have to do with the other? I always feel like I am wasting my life away by sleeping. Think about it. As athletes we all want to experience life to the fullest which is why we train and race. Sleeping is eight-ten hours of time we could still be experiencing life and what the heck are we doing but laying there. What a waste! Or is it?
With an anticipated two Ironman Triathlons on the horizon for me, I decided to dig a little deeper and find out what happens during sleep and what benefits it gives us. I am not talking about the regular answers that we hear all the time; “it recharges the body”, “muscles grow during sleep not during workouts”, yada yada yada. I am not going to bore anyone with the “What is Sleep?” lecture. We all received that in high school biology and health class. I am just going to hit the nitty gritty about why we as athletes may need more sleep, because that is what I wanted to know.
Hormones & Muscle
During our waking hours, the body burns oxygen and food to provide energy. This is known as a catabolic state, in which more energy is spent than conserved, using up the body’s resources. When we sleep we move into an anabolic state – in which energy conservation, repair and growth take over. Levels of adrenaline and corticosteroids drop and the body starts to produce human growth hormone (HGH).
A protein hormone, HGH promotes the growth, maintenance and repair of muscles and bones by facilitating the use of amino acids (the essential building blocks of protein). Every tissue in the body is renewed faster during sleep than at any time when awake.
Immune system
I have always heard that sleeping more when fighting infectious illness aids recovery. Getting enough sleep can also help resist infection, as some studies of healthy young adults have shown that moderate amounts of sleep deprivation reduce the levels of white blood cells which form part of the body’s defense system.
A killer of cancer called TNF – tumour necrosis factor – also pumps through our veins when we are asleep. Research has shown that people who stayed up until 3am had one-third fewer cells containing TNF the next day, and that the effectiveness of those remaining was greatly reduced. So that little factoid hit me over the head like a ton of bricks.
JUST as the world is governed by light and dark, human beings also have an inbuilt body clock called the circadian rhythm. The circadian rhythm regulates all the processes of the body, from digestion to cell renewal.
Body temperature
Body temperature falls throughout the night. By about the sixth hour of sleep it has dropped to about three degrees below the temperature it was in the evening. At the same time, our metabolic rate drops too which if you’re trying to lose weight may not be a good thing, but it serves a purpose.
The skin 
The top layer of the skin is made of closely packed dead cells which are constantly shed during day. During deep sleep, the skin’s metabolic rate speeds up and many of the body’s cells show increased production and reduced breakdown of proteins.
Since proteins are the building blocks needed for cell growth and for the repair of damage from factors like ultraviolet rays, deep sleep may indeed be beauty sleep.
Digestive system
The body requires a regular supply of energy and its key source is glucose(sugar). This is constantly burned up to release energy for muscle contraction, nerve impulses and regulating body temperature. When we sleep, our need for these energy reserves is marginal so the digestive system slows down to a sluggish pace. The immobility of our bodies promotes this. Hence, the reason for not eating too late. The acid and enzyme levels have dropped to a point where food is not digested as quickly.
Maybe all those coaches were right. We produce HGH to repair muscles, our immune systems fight cancer and diseases, our skin repairs itself and our digestive system cuts out, so we do not need to burn any sugar. It sounds like I have been looking at this all wrong. I should be sleeping in order to extend my life. Can you say epiphany? (Hopefully you can say it better than I can spell it. It didn’t come up in spell check)
After all the reading on sleep I have completed, I am really tired. Maybe I ought to get some sleep.