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Core Knowledge

Hundreds of comprehensive guides for improving your performance in sports and life.

Editor’s Picks

Nutrition

A Guide to Vitamin A

Here's an in-depth look at the health benefits of vitamin A.

Training

Beginner's Guide to Movement Prep

There's a new (and better) way to warm up for exercise. It's called movement preparation, or movement prep.

Top 10 Articles

1.

Injury/Pain

All About Pectoralis Muscle Strains

What to do if you strain the muscles of your chest.

Workouts

2. A Better Warm-Up

Ten innovative moves to jumpstart your training session.

Injury/Pain

3. Everything You Need to Know About Hip Injuries

From hip flexor strains to hip pointers and hip bursitis, this primer covers them all to help you keep your hips strong and healthy.

Injury/Pain

4. How to Treat a Dislocated Kneecap

What you need to know to make a comeback from this painful sports injury.

Injury/Pain

5. The Complete Guide to Groin Strains

A groin strain or pulled groin is painful and takes time to heal. Don't make the common mistake of returning to training too quickly.

Injury/Pain

6. Beginner's Guide to Knee Pain

All you need to know to alleviate knee pain and prevent it from returning.

Workouts

7. Build Total-Body Strength

Boost strength and gain muscle with this full-body routine.

Training

8. How to Fix Muscle Imbalance

Balance your body and reduce your risk for injury with this helpful guide.

Injury/Pain

9. All About High Ankle Sprains

How to deal with and reduce your risk for an injury feared by many athletes.

Movements

10. Glute Bridge

The glute bridge will increase your performance and decrease your potential for injury.

Athlete's Performance