Subscribe to Dr. Mirkin's free FITNESS & HEALTH NEWSLETTER      

Spinning Classes

Whether you're out of shape or very fit, spinning classes can help you improve. You ride a stationary bicycle in a group, with a...

Knee Injury Rehabilitation

You are supposed to exercise. It makes you stronger, faster, healthier and may even prolong your life. However, every time you exercise, you risk injury and many sports injuries last forever. Depression, heart attacks, strokes, obesity and diabetes are all associated with a sedentary lifestyle. A twisted ankle can change an active person into a sedentary one. A torn anterior cruciate ligament or meniscus of the knee has a greater than 50 percent chance of causing permanent pain within five years, regardless of the treatment.

Rotator Cuff Injuries

The rotator cuff muscles hold the head of the long bone of your upper arm tightly in the socket of your shoulder. Sports that...

Slope on Treadmills

Good treadmills have a lever that raises the front end to simulate running up hills, because running on level ground does not do much to strengthen your upper leg muscles. Running strengthens primarily your lower leg muscles.

Jump Higher

When former NBA player Kent Benson arrived at the University of Indiana he could jump only nine inches off the ground. That's an embarrassing...

Triathalon Training

Will training for a triathalon make you a better cyclist? World-class triathletes are slower runners, swimmers and cyclists than athletes who compete in only...

Why Do Sled Dogs have So Much More Endurance than Humans?

How can sled dogs run more than 100 miles a day for weeks on end, while humans couldn’t possibly recover from such abuse of their muscles? A study from Ohio State University shows why.

How Protein Builds Muscles

Many body builders and weight lifters are overly concerned about what they eat and what food supplements they take. If you want to grow larger and stronger muscles, it helps to understand how food can help your training program. Anything that helps you recover faster from a hard workout will allow you to do more work to make you stronger. Scientists have known for years that you recover faster by eating immediately after you finish your hard workout.

Should You Carry Weights during Exercise?

The only advantage to exercising while carrying weights is that you can get more exercise while moving slowly. To strengthen your heart, you have to exercise vigorously enough to increase your heart rate at least 20 beats a minute above resting.

How to Start a Running Program

If you think you would enjoy jogging or running, here's how to get started. First, check with your doctor and get a good pair of running shoes. Start out by jogging slowly until your legs feel heavy or hurt or you feel tired.