core
Mountain climber
Core and conditioning.
▶ Watch the full demo in the app3-second preview. The full demo with coach cues is in the FirstGym app.
How to do it
- Start in a high plank, hands under shoulders.
- Drive one knee toward your chest, then switch quickly.
- Keep a steady rhythm.
Beginner tips
- Keep your hips low and level.
- Don't let your back sag.
- Pick up the pace as you warm up.
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