Interval training is thought to have originated in Sweden, where it's called fartlek training. Interval training is a method of training in which your workout's intensity is increased and decreased between aerobic and anaerobic training. Intervals can improve performance and recovery in a short amount of time. Read more: Interval Training Article
Multimedia: Slideshows, Images & Quizzes
-
The 30-Minute Fitness Routine in Pictures
This quick, high-intensity 30-minute workout routine can make you look better and feel better. Discover the right way to do...
-
17 Must-Try Fitness Workouts in Pictures
Learn the latest exercise crazes such as TRX, pole dancing, Zumba, Kangoo jumps, boot camps, exergames and more that are designed...
Related Disease Conditions
-
Heat Rash (Symptoms, Pictures, Treatment, Remedies)
Heat rash is a skin irritation caused by excessive sweating. It can occur at any age and it appears as a rash that itches or...
-
Fitness: Exercise for a Healthy Heart
Regular exercise can help reduce the risk of heart disease. To achieve maximum benefits, do a mix of stretching exercise, aerobic...
-
Post-Polio Syndrome
Post-polio syndrome (PPS) is a group of signs and symptoms that show up two to four decades after the initial polio infection....
-
Heat Cramps
Heat cramps usually affect people who sweat a lot during strenuous activity or work in a hot, humid environment. Symptoms of heat...
-
Fitness
Regular physical activity can reduce the risk of disease. Regular exercise can also reduce the symptoms of stress and anxiety....
-
Vitamins & Exercise: Heart Attack Prevention Series
Vitamins and exercise can lower your risk for heart attack and heart disease. Folic acid, vitamins, and homocysteine levels are...
Treatment & Diagnosis
- Fitness: Summer Fitness for Your Family
- Exercise: How to Get Going
- Fitness: Designing an Aerobic Workout
- Fitness Strategies for the Whole Family
- Fitness: Simple Run/Walk Fitness for Busy People
- Exercise: Get Going and Keep Going -- Meg Jordan, PhD, RN. -- 01/21/03
- Exercise Momentum Keeping It Going
- Exercising for a Healthier Heart -- Kenneth Cooper, MD -- 02/19/03
- Fitness Myths and Facts -- Gina Kolata -- 05/08/03
- Fitness Training Choices -- Cedric X. Bryant, PhD
- Fitness: Fall into Fitness -- Richard Weil, MEd, CDE -- 9/2/03
- Fit: Got 8 Minutes? Get Fit!-- Jorge Cruise
Medications & Supplements
Prevention & Wellness
- Evening Exercise Won't Wreck Your Sleep
- Take the Stairs: An 'Exercise Snack' Can Do Wonders for Your Heart and Lungs
- Only Endurance Exercise May Slow Aging
- Bells, Whistles and Home Exercise Equipment
- When It Comes to Exercise, Quality Trumps Quantity
- Health Tip: Reap the Benefits of Intense Exercise
- Supercharging Exercise With Interval Training
- Got 10 Minutes to Spare?
- Exercise: The Cellular 'Fountain of Youth'
- Health Tip: Maximizing Your Workout
- Health Tip: Reap the Benefits of High-Intensity Interval Training
- Want New Knowledge to Stick? Head Straight to a Workout
- Gotta Minute? Get a Good Workout
- Health Tip: Make Your Workouts More Intense
- Health Tip: Considering High-Intensity Interval Training?
- Physical Activity Boosts Brain Health
- Short Bursts of Intense Exercise Can Fight Weight Gain: Study
- Interval Training Burns More Calories in Less Time
- Runners May Live Longer
- High Reps With Low Weights Builds Muscle, Too
- Dumb Jocks? Not if They're Good at the Game
- Exercise Recommended for Cancer Patients
- Good and Bad Health Habits in U.S.
- Kettlebell Workouts Burn Calories Fast
- Cholesterol Facts
- Lose Weight Fast: How to Do It Safely
- Heart Attack Symptoms in Women
- Weight Loss and Nutrition Myths
- Fitness Boot Camps: Should You Enlist?
- The 300 Workout: Can You Handle It?
- Lunch Hour Workout
- Fitness Basics: Swimming, No Pain, Plenty of Gain
- Exercise with Intervals Boosts Fitness
- Losing Those Last 10 Pounds, Tips to Hit Your Goal
- Cardio Exercise: Maximize Muscle Burn
- Fitness: He Ain't Heavy
- Run-Walk: Wogging
From 
Fitness Resources
Featured Centers
Health Solutions From Our Sponsors
Subscribe to MedicineNet's Weight Loss/Healthy Living Newsletter
By clicking "Submit," I agree to the MedicineNet Terms and Conditions and Privacy Policy. I also agree to receive emails from MedicineNet and I understand that I may opt out of MedicineNet subscriptions at any time.