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.



7 Ways to Perform the Glute Bridge

Master the glute bridge and its variations for a stronger, healthier body.


Curl to Overhead Press - Half Kneeling Alternating

Build strength in your arms and shoulders while challenging your hip and torso stability.


Lateral Roll (Stability Ball)

Work your core stability with this move.


Glute Bridge - Marching Knee Extension

Work your butt muscles with this variation on the classic glute bridge.


Glute Bridge - Supine Straight Leg Marching

This movement will will build strength and stability in your glutes, hamstrings and lower back.


A’s (TRX)

Improve the strength and stability of your shoulder, upper back and torso.


L’s (TRX)

Work your shoulders, upper back, and torso an effective exercise.


I’s (TRX)

Build strength and stability through your shoulder, upper back, and torso with this unique movement.


Chest Press - 1 Arm High Split Stance (TRX)

Challenge your stability while build strength in your chest and triceps.


Plank with Arm Lift (TRX)

Build strength and stability in your core with this challenging move.

Play Better

The Best Stretches for Rock Climbers

Become a better climber with these three warm-up moves.

Play Better

How to Train for Ski Mountaineering

Tuning up your skis for the season? Give your body a tune up while you're at it with these training tips for the mountain.

The Performance Life

Core Training on the Water

Four exercises to try next time you’re paddleboarding in calm water.


Q&A: What are the Most Overrated Exercises?

Replace these old standards with new and improved exercises for a better workout.


Glute Bridge - Marching

Build strength and stability in your glutes, hamstrings and lower back with this move.

The Performance Life

Improve Your Posture for a Better Workout

Core Performance founder Mark Verstegen explains the number one thing you can do right now to improve your exercise technique.


Split Squat - Back Foot Elevated Dumbbell

This movement will build strength and stability in your glutes, hamstrings and quads.


Mini Band - Bent Knee Lateral Walk

Challenge your glutes and improve your ability to move laterally with this move.


Stability Ball Training 101

This primer shows how to use a stability ball to improve balance, stability, and strength.


Stability Ball - Roll Outs

Build a strong and stable pillar with this movement.