Workouts · Cardio
Low-Impact HIIT in 20
All the breathlessness, none of the jumping — fast squats, crawls, and climbers on soft knees.
20 minbeginnerno equipmentcardiomoderate
Why it works. Intensity is about effort, not impact — this proves it twenty minutes at a time.
Warm-up
March briskly, arms driving — 60s
Slow squats, speeding up — 45s
The workout
- squat bodyweight — 3 × 15 repsrest 30s
- mountain climber — 3 × 25srest 30s
- bear crawl — 3 × 25srest 35s
- inchworm — 2 × 30srest 30s
- wall sit — 2 × 30srest 35s
Cool-down
March down, then fold — 75s
Listen to your body. General fitness information, not personalized medical advice. Mild effort is normal; sharp, sudden, or worsening pain is not — stop, and if pain persists, consider speaking with a healthcare professional.
More cardio sessions
Do it guided, in HealthApp
Set-by-set timers, demo loops for every movement, automatic rest, weight tracking, and personal bests.