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Core Knowledge

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

Editor’s Picks

Nutrition

The New Science of Recovery Nutrition

All you need to know to refuel and rehydrate after your workout.

Wellness

24 Hours of Perfect Posture

Our ‘round-the-clock rules for perfect posture will help you stay energized, look leaner, and feel great.

Top 10 Articles

1.

Injury/Pain

Everything You Need to Know About Quadriceps Strains

A quadriceps strain occurs when the thigh muscles or tendons are stretched beyond their normal limits.

Injury/Pain

2. Bruised Ribs: What You Need to Know

Learn how to relieve the pain and recover from bruised ribs.

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. The Complete Guide to Torn Biceps

Learn what a torn biceps is and how to treat it.

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. What You Need to Know About Pinched Nerves

Learn all about this painful condition and how to treat and avoid it

Injury/Pain

7. Beginner's Guide to Knee Pain

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

Injury/Pain

8. How to Treat a Dislocated Kneecap

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

Injury/Pain

9. How to Avoid and Treat a Torn Meniscus

What to do if you tear your meniscus.

Injury/Pain

10. How to Return from a Separated Shoulder

A separated shoulder is pretty common and easy to treat without surgery. Here's how to bounce back from it.