Plank Jacks

Muscles worked

Main muscles
- Rectus Abdominis
- Transverse Abdominis
Also working
- Adductor Longus
- Anterior Deltoid
- Gastrocnemius (Lateral)
- Gluteus Medius
What it is
In a high plank, you jump the feet out wide and back together like a jumping jack. It combines core stability with a cardio push. Keep the hips level.
Technique tips
- Hold a solid high plank
- Jump the feet wide
- Jump them back together
- Keep the hips from bouncing
How to track your progress
Log distance and time. Straddly tracks your pace and your longest effort, and marks new bests automatically.