The Most Complete and Advanced Athlete Programs Available

Unleash Your Athlete’s Highest Potential with XLAthlete and Triphasic Training Generation 4 Training Programs! Get the app for the Generation 4 Programs here.  Are you ready to take your athletes to the next level? XLAthlete.com and Triphasic Training are...

coaching the chuck berry walks for Foot Strength and Speed

The Chuck Berry Walks: Building Foot Strength and Speed The Chuck Berry Walk Video Instructional Video below by Chris Korfist  Introduction In the world of athletics and physical fitness, the importance of foot function and strength is often overlooked. However, a...

Specific Muscle Fiber Density Training

Specific Muscle “Fiber Density” Training: Enhancing Performance Through Focused Fiber Type and Mitochondrial Optimization Triphasic Training Principle – 4  Key takeaways from this article  Discover the best way to boost the capacity of both muscle fiber types to...

List of Muscle Fiber Density Exercises

This is a list of the Muscle Fiber Density Exercises from the  Specific Muscle “Fiber Density” Training article  Quad Fast Twitch Method Leg Press 45-Degree Isometric Yielding Isometric Fast Twitch Method Lying Leg Press Isometric Overcoming Isometric Fast Twitch...