​4 Ways You are Wrecking Your Knees—and How to Save Them Instead

We know you’re strapped for time, and you want to make the most out of your run. But jumping right into a workout could really mess up your knees.

That’s because warming up lubricates the knee joint, circulates synovial fluid into the knee, improves muscle elasticity, and boosts oxygen flow to the area—reducing your chance of injury to the knees, according to Dr. Nicholas.

Related: 4 So, whats the bottom line? You need to listen to your body

Knee Saver: Stretch Before Your Workout
“Health - Injuries overweight or obese,” says Dr. Nicholas. “Stretching your lower legs is particularly key for long term running health. When the muscles are unevenly lengthened, the knee caps pull to the side, which causes wear or pain on the joint.”

Set aside at least 10 minutes before your workout to work on stretching, says Astrid Pujari, M.D., an integrative internist based in Seattle and author of Exercises to Do Before Every Run. “Warming up lets your muscles gently strengthen, which is key for healthy knees,” she says.

The best warmup, says Dr. Nicolas, is a combination of low level cardio-activity, such as jogging or jumping jacks coupled with dynamic stretches that accentuate the motion you are targeting.

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Then, when it comes time for your workout, make sure to include exercises that strengthen the muscles around your knee, like the quads, as well as your core, glutes, and abdominal muscles, says Dr. Pujari. This will help your knees with stability and mobility.

That’s important, since knees need a full range of motion—to move back and forth, twist a little, and pivot. This will protect you if you find yourself in an awkward position; increased flexibility stresses the joint less.

running may actually be good for your knees, knees Knee Saver: Stretch Before Your Workout.

“Being How Cold Is Too Cold To Run Outside will definitely wreck your knees,” says Dr. Abdel.

Related: 10 Easy Ways to Lose Weight Without Even Trying

That’s because whenever you walk—and especially if you’re going up stairs—the load on your knee is several times higher than your weight. The increased pressure means more overuse on the knees, slowly degenerating the cartilage of the knee and increasing the risk of injury and subsequent inflammation.

Health - Injuries
If you lose ten pounds, your knees experience 30 to 50 pounds less weight when you go up and down stairs. If you lose 50 pounds, your knees experience 250 less pounds of force when you take on stairs, Dr. Abdel says.

So losing weight is obviously a benefit to your joints. But you have to do it carefully. Running too fast or too hard can increase the risk of stress fractures and tendonitis.

Shoes & Gear 12-week Run Your Butt Off training plan!

Opt for a lower intensity workout at first, for a longer duration, until you lose some weight. Once your body mass index approaches normal, your knees should be better able to withstand the impact of harder running, Dr. Nicholas says. Work back into running gradually, increasing your intensity and duration over a six-week period rather than trying to immediately recover your previous mileage levels.

Diet matters, too. Choosing a diet high in fruits and vegetables—and low in processed foods—can help keep your weight down. And it’ll also boost your intake of antioxidants, which can help counteract the inflammatory effect of too much extra weight, says Dr. Pujari. Choose as colorful a plate as possible—that’ll ensure you get as many different kinds of antioxidants as possible, which have different anti-inflammatory benefits.

Yes, you want to exercise to help your health, but going too hard, too quickly, for too long can spell danger for your knees—especially if your joints are already vulnerable.

“Think of cartilage the way you would your tires,” says Dr. Abdel. “If you ran 50 miles every single day, just like tires on a car, it will wear away the cartilage and lead to arthritis.”

One recent study from the University of Kentucky found that up to 70 percent of new runners will develop some kind of overuse injury within any one-year period. An example, of course, is runner’s knee, an irritation of the cartilage in the kneecap that leads to inflammation and pain.

On the other hand, a new study The Best Stretches to Do Before a Run So, whats the bottom line? You need to listen to your body. But there’s a caveat: The study was skewed in favor of people who had never had knee injury or knee pain, making it an elite group of participants instead of the more typical population, many of whom are predisposed to injury.

So, what’s the bottom line? You need to listen to your body.

“Pain is a good sign it’s time to back down and avoid overuse,” Dr. Nicholas says.

And if you do find yourself aching after a run, that’s telling you it’s time to visit your orthopedic surgeon. He can check you out to make sure that your pain isn’t causing any kind of structural damage—which, if you continue doing what you’re doing, you can make worse and lead to long-term harm.

Knee Saver: Keep Breaking a Sweat—but Safely
No, don’t take this as an excuse to pause your exercise routine. In fact, that’s one of the worst things you can do.

Not exercising can actually make knee pain worse. “Exercise keeps the joint lubricated and keeps the muscles around the knee strong,” says Dr. Abdel. “That way, the knee joint itself doesn’t bear the largest load, because the muscles, ligaments and tendons all take a share.”

For optimum knee health, Dr. Pujari recommends milder exercise that focuses on core strength, such as Pilates, yoga and even martial arts.

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Want to keep running? You probably don’t need to stop completely. Just don’t overdo your mileage, and pay attention to your shoes. Keep at least two pairs in your rotation, says Dr. Nicholas.

“If you run daily, the cells of the shoes may not recover their elasticity by your next run. That means there’s less cushion, which can damage your knees over time,” he says.

Yes, you want to get faster and build endurance. But excessive exercise past the point of fatigue in can make you more accident—and injury—prone.

“When fatigue sets in, the different parts of the knees get stressed,” Dr. Nicholas says. And that can lead to injury.

suffer mightily when you gain weight.

Knee Saver: Listen to Your Body
Don’t underestimate the power of rest—it helps your body adapt and integrate the demands of your chosen activity. According to Dr. Nicholas, people who rest every third of fourth day have more productive exercise routines than those who exercise daily.

Related: 3 Exercises You Should Do on Your Off Days

A day off clears away the inflammatory mediators circulating in your blood stream and eliminates any residual fatigue, giving your knees a chance to completely recover.

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