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Core Knowledge
Hundreds of comprehensive guides for improving your performance in sports and life.
Editor’s Picks
Nutrition
Good Fats Versus Bad Fats
Everything you need to know about good fats, bad fats, and how much fat you need to perform like a pro.
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
Injury/Pain
2. How to Treat a Dislocated Kneecap
What you need to know to make a comeback from this painful sports injury.
Injury/Pain
3. All About Pectoralis Muscle Strains
What to do if you strain the muscles of your chest.
Injury/Pain
4. 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
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.
Training
8. How to Fix Muscle Imbalance
Balance your body and reduce your risk for injury with this helpful guide.
Nutrition
9. How to Eat Clean
Choose healthy, natural, and minimally processed foods to fuel your body. We'll show how to do it with simple tips and instructional video.
Injury/Pain
10. How to Treat Runner's Toe
Runner's toe is not a serious injury, but it can be incredibly painful. Here's what to do about it.
