cardio
High knees
Quick cardio burst.
▶ Watch the full demo in the app3-second preview. The full demo with coach cues is in the FirstGym app.
How to do it
- Run in place, driving your knees up to hip height.
- Pump your arms and stay on the balls of your feet.
- Keep a fast, steady pace.
Beginner tips
- Stay tall, don't lean back.
- Land softly.
- Pace yourself if new.
Scared of the gym? Let a voice walk you through it.
FirstGym tells you what to do next in your earphones: every set, every rest, every machine. Built for first-timers and people coming back.
Get FirstGym on the App Store