Exos | Formerly Core Performance

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Build Muscle

Nutrition

The Complete Guide to Creatine

Everything you need to know about this muscle-building, strength-boosting, health-promoting supplement.

Training

The Core Performance Training Philosophy

Just getting started with Core Performance? Learn the basics of our approach to performance training and how you can benefit from it.

Movements

Biceps Curl - Assisted Stance (TRX)

Build strength in your arms while challenging your pillar strength at the same time.

Training

Strength Training 101

Build strength, size, and explosive power with a game-changing approach to resistance training.

Training

Stability Ball Training 101

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

Movements

Lateral Lunge to Overhead Press - 1 Arm Dumbbell (Slide)

Work your shoulders and hips while stretching your groin with this efficient movement.

Training

Medicine Ball Training 101

Learn what medicine ball training is and why it's essential to Core Performance workouts.

Training

The Simple Guide to Core Performance Training Phases

A useful primer to help guide you through each phase of Core Performance training programs.

Workouts

The Big Muscle Stimulus Plan

Pack on size with this 30-minute, muscle-building training session.

Workouts

Get Back in Playing Shape

Burn fat and rediscover your athleticism using this innovative workout.

Workouts

Build Total-Body Strength

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

Nutrition

A Guide to Body Composition

A primer on the best and worst ways to determine your fat-to-muscle ratio.

New Content

Latest Tagged Build Muscle

Nutrition

Q&A: Supplements for Vegetarian Bodybuilders

Three things to know if you train hard and don't eat meat.

Nutrition

The Complete Guide to Creatine

Everything you need to know about this muscle-building, strength-boosting, health-promoting supplement.

Nutrition

Beta-Alanine May Reduce Muscle Fatigue, Says Study

A new study found that taking beta-alanine may help reduce acid buildup caused by intense exercise.

The Performance Life

Get Lean and Strong At Any Age

Our author provides a first-person account of his body composition through the years. Use his tips to stay lean and strong.

Training

The Core Performance Training Philosophy

Just getting started with Core Performance? Learn the basics of our approach to performance training and how you can benefit from it.