Train with Purpose. Coach with G.R.I.T.
CoreFit Strength is a practical, science-based instructor training built around the G.R.I.T. system—Ground, Resistance, Intent, Thrive. Designed for trainers, coaches, and instructors, this course gives you a clear, adaptable method to coach effective strength training across all fitness levels. Powered by Nautilus and Throwdown, CoreFit Strength elevates the experience of performance and functional training—combining precision, innovation, and grit to bring the best of both strength and conditioning to every session.
Rooted in over 40 years of Nautilus innovation, CoreFit Strength blends proven movement science with modern coaching strategies. Learn to design smart programs, cue with confidence, and deliver results in any training environment.
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ACE | 0.60 | Expiring on December 31, 2026 |
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AFAA | 0.40 | Expiring on December 31, 2026 |
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NASM | 0.40 | Expiring on December 31, 2026 |
| Module 1: Welcome & Overview | Module | ||
| Module 2: What Is Strength Training? | Module | ||
| Module 3: Why Strength Training Matters | Module | ||
| Module 4: Strength Science Made Simple | Module | ||
| Module 5: Strength Program Variables (F.I.R.S.T.) | Module | ||
| Module 6: The G.R.I.T. Framework | Module | ||
| Module 7: Equipment Breakdown | Module | ||
| Module 8: Workouts & Templates | Module | ||
| Module 9: Case Studies | Module | ||
| Module 10: Coaching & Cueing | Module | ||
| Module 11: Workout & Final Quiz | Module | ||
| Module 12: Closing | Module |