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Business Details
27 Years
experience
Transform Your Body with Personalized Fitness Programs
21BOOM is a personalized fitness training platform that combines science-based methodologies with live coaching to deliver transformative health outcomes. Founded in 1999 as Plan 4 Fitness, LLC, the company evolved from a brick-and-mortar gym to a scalable online platform in 2020, ensuring accessibility for clients worldwide. Our approach centers on 21 Milestones, a proprietary system that personalizes movement patterns to enhance strength, mobility, and overall well-being. With a focus on community-driven accountability, we offer small-group training, one-on-one coaching, and on-demand resources tailored to individual needs.

Our team of certified professionals prioritizes safety and progression, utilizing evidence-based systems like Functional Movement Screening and Reflexive Performance Resets. The 21BOOM App enables real-time progress tracking, while our behavioral health strategies address nutrition, stress management, and sleep optimization. Backed by two decades of expertise, we guarantee measurable progress through programs designed for all fitness levels, from beginners to executives seeking performance enhancement.
Services
Personal Training Online Group Training 28-Day Transformation Executive Training Corporate Wellness On-Demand Workouts Nutrition Coaching Mobility Programs Behavioral Health Support Fitness Assessments
Details
  • Year established: 1999
Highlights and features
  • We guarantee measurable progress through 21 science-based Milestones.
  • Our live coaching combines movement science with behavioral health expertise.
  • Small-group training ensures personalized attention and injury prevention.
  • Access workouts 24/7 through our proprietary app with progress tracking.
  • Proven results for clients with chronic pain, postpartum recovery, and athletic goals.
Associations and certifications
  • Functional Movement Systems
  • Strongfirst
  • Original Strength
What people say
Life-changing results Pain-free days Improved posture Community support No surgery needed
Services
Personal Training
One-on-one sessions tailored to individual goals using the 21 Milestone system. Coaches provide real-time feedback on movement patterns, strength training, and mobility work. Programs integrate nutrition guidance and behavioral strategies for sustainable results.
Online Group Training
Live interactive workouts with certified coaches and small groups. Sessions include mobility drills, strength circuits, and milestone-specific progressions. Participants receive personalized modifications while benefiting from community accountability.
28-Day Transformation
Intensive program combining twice-weekly training with daily behavioral homework. Focuses on habit formation, nutrition optimization, and movement retraining. Includes biometric tracking and weekly progress reports through the 21BOOM App.
Corporate Wellness
Customizable programs for organizations seeking to improve employee health and productivity. Includes virtual training sessions, ergonomic assessments, and stress management workshops designed to reduce workplace injuries and absenteeism.
Executive Training
High-performance coaching for professionals requiring advanced programming. Combines physical training with cognitive-behavioral strategies to enhance decision-making, resilience, and time management skills for organizational leaders.
People
Korey McCoy
Team Leader & Founder
Certified fitness expert with 20+ years experience in human movement science. Developed the 21 Milestone system and authored 'Your Performance Journey'. Specializes in mentoring coaches to deliver personalized, research-backed fitness programs.
Cory Landy
Trainer & Coach
Certified strength and mobility specialist with expertise in injury prevention. Focuses on functional movement assessments and corrective exercise programming for clients with chronic pain or postural imbalances.
Emily Charton
Trainer & Coach
Behavioral health specialist integrating nutrition coaching with physical training. Helps clients overcome emotional eating patterns and develop sustainable wellness habits through cognitive-behavioral techniques.
Johnny McIntosh
Coach & Trainer
Specializes in movement retraining for postpartum recovery and core stabilization. Implements progressive milestone-based programming to restore functional strength and reduce diastasis recti.
Diana Constantine
Trainer & Coach
Senior coach with expertise in senior fitness and mobility restoration. Develops modified programs for clients with arthritis, osteoporosis, and balance impairments using low-impact milestone progressions.
Questions
How do I access live training sessions?
Members receive video links via the 21BOOM App for scheduled live sessions. No additional software required beyond internet access.
What payment methods are accepted?
We accept monthly payments via credit card (Visa, Mastercard, Amex) or EFT from bank accounts.
Do you offer corporate wellness programs?
Yes. We partner with organizations to implement customized wellness solutions that improve employee health metrics and productivity.
Are nutrition plans included?
Yes. All programs include personalized nutrition guidance tailored to your metabolic needs and wellness goals.
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