Energy System Development
Training
Energy System Development
Forget everything you know about traditional cardio work. Energy System Development, or ESD, is a more effective way to train your body.
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One Small Change
The Age-Defying Workout
With the help of a strength coach and physical therapist, contributing writer Joe Kita has a workout plan to stay healthy for the long run.
Movement
Q & A: Prepare Your Body for Altitude
How to train for an event in the mountains when you don't live there.
Movement
An Interval Workout That's Easier on Your Joints
Worried about the strain interval training can put on your joints? Here's how to reap the benefits without the wear and tear.
Play Better
Q & A: Will You Burn Out Before Your Big Race?
Focusing too much on a single aspect of your training can set you up to peak too soon.
Secrets to Success
5 Training Secrets for Triathletes
Triathlete Jessi Stensland shares her new perspective on racing, motivation, and finding balance in your training.
The Performance Life
So What Exactly is VO2?
The author undergoes a series of tests to measure his cardiovascular fitness. What he learns can make you a better athlete.
Live Better
Q & A: How Can I Lower My Resting Heart Rate?
Learn what a healthy resting heart rate is and how to get yours in the right range.
Play Better
Q & A: Can I run a marathon?
Achieve your running goals, no matter your current fitness level. Just give yourself enough time to train.
Movement
Can Running Help You Succeed in Crunch Time?
Running proves useful not only to your body, but also to your ability to handle stressful situations.
Play Better
Q & A: Getting Ready for an Adventure Race
Three keys to prepare your body for any adventure.
Training
Energy System Development
Forget everything you know about traditional cardio work. Energy System Development, or ESD, is a more effective way to train your body.
Play Better
How to Crack a 5-Minute Mile
A simple tweak to your running routine can help you shave time off your race pace and burn more fat.
Live Better
Why Your Resting Heart Rate Matters
Your at-rest heart-rate can reveal potential heart problems down the road. This article explains why.
Play Better
Beat Your Best Running Time
Looking to increase your RPMs? Try turning up the BPMs on your mp3 player.
Live Better
Don't Be a Cardio Casualty
Ramp up your training carefully according to your fitness level.
Workouts
Improve Your Endurance
If you're a new runner, this training plan will help get you started.
Workouts
The Metabolism-Boosting Workout
Rev your fat-burning engine with this challenging training session.
Three Burning Questions
Running Pain Prevention for the Road Warrior
Stop running through nagging pains and injuries. Here's how to avoid the hurt.
Movement
How to Calculate Your Maximum Heart Rate
Use this simple formula to train your body's most important muscle: the heart.
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