Skip to content
My WebMD Sign In, Sign Up

Channel: Exercise & Fitness

Now Playing: Speed Up Your Workout

Close

Speed Up Your Workout

Reviewed By: Varnada Karriem-Norwood, MD,

SOURCES: Dana-Farber Cancer Institute, August 14, 2002, “Scientists discover switch that determines muscle fiber type ”http://www.dana-farber.org/abo/news/pressarchive/081402.aspBioMed Central, Darjalainen, J Tikkanen; H, Hernelahit; M and Kujala, U; “Muscle fiber-type distribution predicts weight gain and unfavorable left ventricular geometry: a 19 year follow-up study "The Journal of Physiology, Ingjer, F, “Effects of endurance training on muscle fibre ATP-ase activity capillary supply and mitochondrial content in man "The National Institutes of Health Medscape, King, M “The Effects of Resistance Exercise on Skeletal Muscle Abnormalities in Patients With Advanced Heart Failure”

© 2006 WebMD, Inc. All rights reserved.

For a better viewing experience you may wish to adjust the size and quality of your video stream:

Apply
or close
Speed Up Your Workout
Fill out the form below to send this link to your friends. An email will be sent on your behalf.
+ More Recipients

WebMD will not add your recipients to any mailing lists.

*indicates required fields

or cancel

Clicking the send button signifies that you have read and agree to our Privacy Policy

||
00:00/00:00
CC light band

about this video send to a friend
rate this video

 

Count calories, track workouts, and maybe even drop a size or two.

Get Started

Search Videos

Fast and Healthy Snacks.

Learn how to make tasty snacks that are healthy, too.

Watch Now

Pollen counts, treatment tips, and more.

It's nothing to sneeze at.

Loading ...

Sending your email...

This feature is temporarily unavailable. Please try again later.

Thanks!

Now check your email account on your mobile phone to download your new app.