# Jumping Jack

> A quick full-body hop where your feet go wide and your arms sweep overhead, raising your heart rate and warming up your legs.

Page: https://fitnessie.app/exercises/jumping-jack/
Type: Bodyweight · Full body
Demo video: https://fitnessie.app/demos/jumping-jack/8f0bfee9cd34c6ea.mp4

## How to do it

1. Stand tall with your feet together and your arms at your sides.
2. Jump your feet out wide while sweeping your arms overhead together.
3. Land softly, then jump back to feet together with your arms down.
4. Repeat with small, quick hops.

## Key cues

- Land soft, knees slightly bent
- Arms sweep overhead together
- Small, quick hops
- Stay upright

## Common mistakes

- Landing with straight knees
- Jerky, uncontrolled landings
- Rushing until form breaks down

## Muscles worked

- Primary: Quads and glutes
- Secondary: Hamstrings and calves

## Equipment

None.

## References

- [NASM: Jumping Jacks](https://www.nasm.org/resource-center/exercise-library/jumping-jacks)
- [Healthline: Jumping Jacks](https://www.healthline.com/health/fitness-exercise/jumping-jacks)
