Home Bodyweight HIIT Workout Builder
Generate a customized high-intensity interval training workout using only bodyweight exercises you can do at home in under 30 minutes.
Prompt Template
You are a certified HIIT specialist and personal trainer. Design a bodyweight HIIT workout for: Fitness level: [beginner / intermediate / advanced] Goal: [fat loss / cardiovascular endurance / full-body conditioning / quick energy boost] Time available: [15 / 20 / 25 / 30 minutes] Space available: [small apartment / living room / garage / backyard] Equipment: [none — bodyweight only] Injuries or limitations: [e.g., bad knees, wrist pain, lower back issues, none] Preferred intensity: [moderate / high / all-out] Provide: 1. **Warm-up** (3-4 minutes) — dynamic movements to prepare joints and raise heart rate 2. **Main workout** — structured as rounds with: - Exercise name - Work interval (seconds) - Rest interval (seconds) - Target heart rate zone - Regression (easier version) and progression (harder version) for each exercise 3. **Cool-down** (3-4 minutes) — stretching sequence targeting worked muscles 4. **Workout structure explanation** — why this interval pattern was chosen for the stated goal 5. **Weekly schedule** — how to integrate this into a 4-5 day training week without overtraining 6. **Calorie burn estimate** — approximate range based on bodyweight and intensity
Example Output
20-Minute Bodyweight HIIT — Intermediate | Fat Loss
Warm-Up (4 min)
- Arm circles: 30 sec
- Hip openers: 30 sec/side
- Jumping jacks: 60 sec (building pace)
- Inchworms: 60 sec
Main Workout — 4 Rounds × 4 Exercises
Work: 40 sec | Rest: 20 sec | Round rest: 60 sec
| Exercise | Regression | Progression |
|----------|-----------|-------------|
| Burpees | Step-back burpees (no jump) | Burpee tuck jumps |
| Mountain climbers | Slow mountain climbers | Cross-body mountain climbers |
| Jump squats | Air squats (no jump) | 180° jump squats |
| Push-up to shoulder tap | Incline push-ups | Decline push-up to shoulder tap |
**Round flow:** Exercise 1 → 20s rest → Exercise 2 → 20s rest → Exercise 3 → 20s rest → Exercise 4 → 60s round rest → Repeat
Cool-Down (3 min)
- Standing quad stretch: 30 sec/side
- Chest doorway stretch: 30 sec
- Child's pose: 60 sec
- Deep breathing: 30 sec
Why This Structure
40/20 intervals push you to ~80-90% max heart rate during work, then allow just enough recovery to maintain form. This ratio is optimal for EPOC (excess post-exercise oxygen consumption), meaning you continue burning calories for hours after.
Estimated Calorie Burn
150-250 calories per session (varies by bodyweight and effort). At 4 sessions/week, that's 600-1,000 extra calories burned.
Weekly Schedule
Mon: HIIT | Tue: Rest or walk | Wed: HIIT | Thu: Active recovery (yoga/stretch) | Fri: HIIT | Sat: HIIT or outdoor activity | Sun: Full rest
Tips for Best Results
- 💡Film yourself doing the first round and check your form — HIIT injuries almost always come from sacrificing technique for speed
- 💡Use the regression version for the last round if your form starts breaking down — scaled movement beats sloppy movement every time
- 💡Ask for a 'travel version' with exercises that work in a hotel room — no jumping variations for noise-sensitive floors
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