Exercise guide
Frogger
- Intermediate
- Compound
- Rep-based
- Waist
The Frogger is a high-intensity compound movement that builds explosive lower-body power and core stability by transitioning rapidly between a high plank and a deep squat.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Start in a high plank position with your hands placed directly under your shoulders.
- Extend your legs fully with feet hip-width apart and your core tightly engaged.
- Maintain a neutral spine, creating a straight line from your head to your heels.
How to do it
- Exhale and jump both feet forward, landing softly with your feet outside of your hands in a deep squat position.
- Briefly lift your hands off the floor and bring your chest up to a 'proud' position at the bottom of the squat.
- Inhale as you plant your hands back on the floor and jump your feet back to the starting high plank position.
- Maintain a fast but controlled tempo, ensuring your hips don't sag during the plank phase.
Form checklist
- Land with flat feet rather than on your toes to protect your knees.
- Keep your back flat and avoid excessive rounding when jumping forward.
- Ensure your shoulders remain stacked over your wrists when in the plank position.
- Keep your core braced throughout the movement to stabilize the spine.
Pro tips
- Focus on 'landing light' to minimize joint impact and force your muscles to absorb the load.
- Drive your knees outward as you jump forward to fully engage the glutes and accommodate your torso.
Make it harder
- Add a vertical jump at the top of the squat phase to increase plyometric intensity.
- Perform the movement with your hands on a pair of dumbbells to increase the range of motion and core challenge.
Frequently asked
- What muscles does the frogger work?
- The frogger primarily targets the glutes, hamstrings, hip flexors, and quadriceps, and also works the obliques and serratus anterior as secondary muscles.
- What equipment do you need for the frogger?
- The frogger requires no equipment — just your body weight.
- Is the frogger good for beginners?
- The frogger is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.
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