Built on Science,
Not Guesswork
Every workout DudleyGym generates is traceable to established exercise science. We don't invent protocols — we implement the ones that decades of research have proven to work.
Research Foundation
ACSM
American College of Sports Medicine
Primary authority on exercise prescription — rep ranges, rest periods, training frequency, and cardio heart rate zones.
NSCA
National Strength & Conditioning Association
Gold standard for strength and conditioning — periodization models, progressive overload protocols, and power training.
NASM
National Academy of Sports Medicine
Corrective exercise, stability, and mobility frameworks — especially for injury modification and recovery programming.
Peer-Reviewed
Published Research
Journal of Strength and Conditioning Research, British Journal of Sports Medicine, Renaissance Periodization, and Stronger by Science.
Core Principles
Progressive Overload
The foundation of all training. When you complete all prescribed sets at the top of your rep range for two consecutive sessions, the app increases your weight — typically 2.5–5 lbs for upper body, 5–10 lbs for lower body.
Compound Before Isolation
Per NSCA guidelines, every workout orders multi-joint compound movements (squat, bench, deadlift, row) before single-joint isolation exercises. No exceptions.
Periodization
Training is organized over time to prevent plateaus. Beginners use linear periodization. Intermediate lifters get undulating rep schemes. Advanced users access block periodization with programmed deload weeks.
Recovery Science
Large muscle groups get 48+ hours between sessions. Heavy compound lifts (deadlift, squat) get 72 hours for intermediate and advanced users. The app enforces these minimums automatically.
Goal-Matched Volume
Rep ranges, set counts, and rest periods are mapped to your stated goal — hypertrophy (6–12 reps, 60–120s rest), strength (1–5 reps, 2–5 min rest), endurance (15–20 reps, 30–60s rest) — all based on ACSM volume tables.
Dynamic Warm-Ups
Every session includes movement-specific activation — not static stretching — tailored to the day's muscle groups. Warm-up protocols are scaled to your available time but never eliminated.
Four Training Philosophies
Each DudleyGym trainer represents a distinct, evidence-based training methodology. Your choice of trainer shapes exercise selection, volume, rest periods, and coaching style.
HIIT protocols, metabolic conditioning, and high-variety functional programming.
Sources: ACSM HIIT guidelines, Tabata research, CrossFit L1 methodology
“You showed up today. That's already the hardest part.”
Heart rate zone training, endurance periodization, loaded carries, and aerobic base building.
Sources: ACSM cardio guidelines, VO2 max research, Maffetone Method
“Your body adapted to last week. Today we make it adapt again.”
Powerlifting-influenced programming with linear and undulating periodization. Technique-obsessed.
Sources: NSCA guidelines, Stronger by Science, Starting Strength principles
“Add the weight. You've earned it.”
Corrective exercise, yoga-informed mobility, and recovery-focused programming for the long game.
Sources: NASM CES curriculum, mobility research, sleep and recovery science
“Slow down. Do it right once. That's worth more than ten reps done wrong.”
How It Learns
Performance History
Every set you log — weight, reps, and rest — is tracked. Your trainer reviews your last 3 sessions for each exercise before writing your next workout.
Automatic Progression
Hit all your reps at weight for two sessions in a row? The app applies the double progression method — increasing load using NSCA-recommended increments.
Injury Awareness
Flag a sore area before your workout and the app automatically excludes exercises that could aggravate it — replacing them with safe alternatives.
Equipment Matching
Your gym's equipment inventory determines which exercises your trainer can program. No barbell at home? You'll never be prescribed barbell squats.
What We'll Never Do
To protect your safety and maintain scientific integrity, DudleyGym is explicitly prohibited from:
- ✕Recommend exercises that conflict with your injury flags
- ✕Program the same muscle group on consecutive days
- ✕Prescribe training through pain — if you report pain, we stop and advise medical consultation
- ✕Program 7 consecutive days of hard training without rest
- ✕Use "no days off" or "more is always better" language
- ✕Recommend extreme caloric deficits or dangerous weight loss strategies
- ✕Include high-risk exercises with poor evidence (behind-neck press, kipping pull-ups for beginners)
- ✕Exceed evidence-based maximum weekly volume guidelines
DudleyGym workouts are generated by AI following evidence-based exercise science guidelines. Always consult a healthcare professional before starting a new exercise program.