Workouts · Cardio

HIIT Express in 15

Four movements, fifteen minutes, zero excuses — the shortest honest hard workout in the library.

15 minintermediateno equipmentcardiovigorous
Why it works. When time is the enemy, brief vigorous intervals still bank real aerobic benefit.

Warm-up

Easy jog or march in place — 60s
Gentle jumping jacks, building — 60s

The workout

  1. jack jump — 3 × 30s
    rest 30s
  2. jump squat — 3 × 15s
    rest 30s
  3. mountain climber — 3 × 30s
    rest 30s
  4. star jump — 2 × 20s
    rest 40s

Cool-down

Slow walk in place, breathing down — 60s
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.

Do it guided, in HealthApp

Set-by-set timers, demo loops for every movement, automatic rest, weight tracking, and personal bests.