Exos | Formerly Core Performance

Set Your Fitness Goals. We'll Help You Achieve Them.

Join for free and you'll gain instant access to our tracking and reporting tools, expert coaching tips, and a free trial to our personalized training and nutrition programs.


Play Better

6 Tips for Recovering After a Ruck March

Use these tips to ease sore muscles, refuel, and recover after a grueling ruck march.


Relieve Soreness With Just a Tennis Ball

The common tennis ball is all it takes to help relieve tightness from these three common trouble spots.


5 Moves to Cool Down After a Workout

Feel better and see more results from your workout with these rejuvenating movements.


5 Things to Do After Every Workout

Use this simple checklist to feel great and see big-time results.

One Small Change

The Better Posture Workout

Simple exercises and lifestyle tips to improve your posture and help you look leaner, stronger and taller.

One Small Change

One Small Change to Look Leaner, Stronger, Taller

Improve your posture to look great and feel your best by the New Year.

One Small Change

Practice Makes Perfect... Right?

Use these tips to establish an exercise habit and bolster your skills without burning out.


Better Recovery with Vibration Training

Performance specialist Nick Winkelman demonstrates how to optimize your body's recovery with vibration training.

Play Better

How to Reduce Soreness During Your First Ski Trip

Steeps, bumps, powder, and even groomers are bound to leave you feeling sore. Here's what to do about it.

Live Better

Are Sports Creams Overrated?

A review of studies shows that the power of popular sports creams may be all in your head.


Q&A: Are Saunas Good for You?

How to reap the health benefits of a sauna even if you don't have access to one.

One Small Change

The Verdict on Stretching Daily

See how author Joe Kita emerges after nearly a month of daily stretching aboard a cruise ship.

One Small Change

When Yoga Hurts

Yes, it's possible to get injured doing yoga. We explain why, so you can prevent it from happening to you.


The Hurry-Up Guide to Preventing Aches and Pains

Avoid the hurt with these time-saving, injury-prevention tips.


Q&A: Sore Knee Solution

The one exercise you need to know when you bang your knee.


4 Ways to Ease Sore Hamstrings

Use this checklist to find out what’s causing your pain, and how to fix it fast.


Are You Too Sore to Train?

Rate your soreness using this handy guide to give your body time to rest without sliding backwards.


The Best 7th Inning Stretch

A practical and effective way to loosen up at the park.


Balance Your Body

Improve your flexibility and boost strength.


Small Aches and Pains Can be Red Flags

Things to keep an eye on while you're training.