Showing posts with label weight. Show all posts
Showing posts with label weight. Show all posts

Wednesday, July 18, 2012

A Workout To Put a Smile On Your Face


By Jared Rice MS RD HFS

What would you say if I told you I knew of a workout that might make you feel like a giddy schoolgirl (or boy)?


I don't imagine you can relate to that feeling during your standard gym routine. Seriously though, this might be the most fun you'll ever have at 75% of your max heart rate. I'm talking about Rebounding, otherwise known as jumping on a trampoline. Did you know it's an Olympic sport?


Don't be misled; rebounding is not some groundbreaking new discovery. Ever since NASA scientists began studying the use of trampolines for accelerated training of astronauts (muscle and bone fitness tends to deteriorate rapidly during extended periods of weightlessness), we've known that rebounding can be a very beneficial form of exercise. They published a study in the Journal of Applied Physiology showing that under certain conditions, jumping on a trampoline was more efficient for stimulating cardiovascular fitness and bone health than running! In addition, rebounding promotes increased core strength, stability and balance while stimulating lymphatic movement for enhanced immune function. Finally, it triggers the release of endorphins, which induce happiness and boosted mood, rendering it nearly impossible not to smile.  And if you're so inclined... to feel as happy as a schoolboy!


Just because we may not be able to do a Half-in, half-out triffis  like 2008 Olympic gold medalist He Wenna of China, doesn't mean that we can't have fun and get a great workout on a trampoline. New trampoline gyms are popping up around the country, some with wall-to-wall (and up-the-wall) trampolines for hours of fun! Well, minutes may be more realistic. It's quite tiring. Alternatively, there are rebounder group exercise classes or you can buy your own small rebounder for home use. They are relatively inexpensive and come with stability railings for balance. Just jump for a while or follow along with an exercise video. Try not to smile... I dare you.


Be sure to consult your physician for approval before trying rebounding or trampoline jumping. 

Wednesday, April 25, 2012

Sleep Can't Weight!

By Lindsay Colcombe, DI Virginia Tech

 

Eat better and exercise more.  Sound familiar? Oftentimes, healthy lifestyle advice is missing one key element: sleep.  Sufficient sleep each night has been found to be critical in bodily regulations, mood balance and memory consolidation; additionally, sleep also plays an important role in regulating weight and preventing chronic diseases like diabetes.

The sleep/weight connection
Sleep can be responsible for how much and what we eat as well as how well we exercise.  Evidence shows people who report fewer hours of sleep are more likely to be overweight or obese than individuals who get a sufficient amount of sleep each night. Why is this?
woman sleeping on scale

... Sleep regulates a hormone called Leptin.  Leptin is the hormone that tells your brain when you are full. Lack of sleep has been shown to decrease leptin and increase ghrelin, the hormone that tells you that you are hungry.  If your sleep cycle is off, you may feel hungry even though your body does not physically need food.  Lack of sleep can also affect your food choices.  Being sleepy makes you more inclined to reach for foods higher in sugar and fat.

In a study done at the University Of Chicago School Of Medicine, healthy individuals who had their sleep restricted to 4 hours a night for 6 nights were already in a prediabetic state after only 6 nights of sleep deprivation. Over a long period of time, this could have serious effects on your body!

How do you know how much sleep you need?
While 8 hours is the magic number we hear when it comes to sleep, it may not be the amount you need. To find out how much sleep you need, try going to bed at the same time every night for 5 consecutive days and see what time you wake up naturally (with no alarm) each morning.  This can be done over a holiday or vacation.  This will give you a better idea of how much sleep you should aim for each night.  It may be as low as 7.5 hours or it could be as high as 9!  Regularly getting just one hour of sleep less than the amount you need can have detrimental effects on your body.

Not all sleep is created equal
There are 4 cycles of sleep.  Your body alternates between these stages throughout the night.  The Rapid Eye Movement or REM stage is the most critical for rejuvenation.  This stage occurs 70-90 minutes after falling asleep and repeats 4-5 times throughout the night.  The longest amount of time spent in the REM stage occurs between hours 7 and 8 of sleep, which is why it is critical to not skimp on your sleep.  Excessive alcohol consumption can actually prevent the body from going into REM sleep, this is one of the many reasons why alcohol should be consumed in moderation. 

Sleep cycle graph
Tips for Better Sleep
  • Make your bedroom cool, comfortable and dark.
  • Use a white noise maker or fan to drown out noise.
  • Use your bedroom for what it's meant for.  Try to avoid things like studying, doing work and eating while in your bedroom.
  • If you are unable to fall asleep after 20 minutes, don't keep tossing and turning.  Do some light reading, write a to-do list or put your thoughts down in a journal.  Then, try falling asleep again.
  • Try to avoid exercising 2 hours or less before bed time. Exercising increases alertness, energizes you and increases body temperature which can make it more difficult to fall asleep.
  • If you know ahead of time you're going to get less sleep than what is ideal for you, try pre-napping.  Pre-napping is napping before you go into "sleep debt."
If you have continuing problems getting to sleep or maintaining sleep, it is important to talk with a medical or sleep professional.  Please visit www.sleepfoundation.org to find a sleep professional near you.
Feel free to comment with any other sleeping tips that worked for you!