Performance – Strength & Conditioning

Build Strength. Move Better. Perform With Purpose.

Strength and conditioning is the foundation of athletic performance. Our unlimited program uses smart progression, XFRM‑influenced movement, and evidence‑based training to build strength, speed, power, and durability—so athletes can train hard, stay healthy, and compete with confidence.

AC Geller, Strength and Conditioning Coach

Program Lead

AC Geller

Strength & Conditioning Coach

Coach A.C. Geller leads Grind House’s Strength & Conditioning program with a focus on smart progression, movement quality, and long‑term athlete development. A former professional athlete, certified USA Weightlifting coach, and Team USA member, he brings elite‑level experience to every session.

He created the nationally recognized XFRM Method, a system built with physiologists and registered dietitians that blends research‑driven strength and mobility work for fast, measurable results.

A.C. now specializes in sports performance and sport‑specific strength training for elite youth athletes—building athletes who are strong, fast, resilient, and able to perform consistently while reducing injury risk.

Why Strength & Conditioning Matters

Strength and conditioning is more than lifting — it’s moving with purpose, generating power efficiently, and protecting the body through every phase of sport. Our structured program builds performance, mobility, and durability so athletes can train hard, stay healthy, and compete with confidence.

Using evidence‑based methods like the XFRM approach, athletes develop the strength, mobility, and movement quality needed for long‑term success.

What We Develop

  • Strength — full‑body, sport‑ready power
  • Speed & explosiveness — quicker first steps, sharper movement
  • Mobility & movement quality — efficient, XFRM‑influenced patterns
  • Injury resistance — stronger joints, safer mechanics
  • Conditioning — performance that lasts
  • Training habits — consistency, discipline, long‑term growth

Who It’s For

Unlimited Training for Serious Athletes

Youth Athletes

Learn proper movement patterns, coordination, and strength fundamentals in a safe, structured environment.

High School Athletes

Build strength, speed, and confidence while preparing the body for higher‑level competition.

College & Advanced Athletes

Maintain peak performance, address weaknesses, and support longevity with intelligent, consistent training.

Unlimited Strength & Conditioning

This program gives athletes unlimited access to structured strength and conditioning sessions led by Coach AC. Training is progressive, intentional, and built to support performance and long‑term health.

Ready to train?

Choose the unlimited plan that fits your athlete’s level:

Train consistently. Progress intelligently. Perform at your best.