Exercise guide
Rocking Half Frog Stretch
- Beginner
- Compound
- Timed hold
- Hips
- Lower legs
- Waist
A dynamic mobility exercise that improves hip hinge mechanics while targeting the adductors, hamstrings, and glutes through a controlled rocking motion.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Begin on all fours in a quadruped position with your hands under your shoulders and knees under your hips.
- Extend your right leg straight out to the side, keeping your foot flat on the floor and in line with your left knee.
- Engage your core to maintain a neutral spine and a flat back.
How to do it
- Inhale as you slowly shift your hips backward toward your left heel, maintaining the hinge at the hips.
- Exhale as you rock forward to return to the starting position, keeping the extended leg straight.
- Move with a controlled 2-second tempo in each direction, focusing on the stretch in the inner thigh and hamstring.
Form checklist
- Keep the extended leg's foot flat on the floor to maximize the stretch.
- Avoid rounding your lower back as you rock your hips toward your heel.
- Keep your neck neutral by looking at the floor slightly ahead of your hands.
- Ensure your weight is distributed evenly between your hands and the kneeling knee.
Pro tips
- Think about 'pushing' your hips back rather than just sitting down to better engage the glutes and hamstrings.
- Actively squeeze the glute of the extended leg at the top of the movement to reset your pelvis.
Make it harder
- Perform the movement on your forearms to increase the depth of the hip hinge.
- Add a 3-second isometric hold at the furthest point of the rock-back to increase time under tension.
Frequently asked
- What muscles does the rocking half frog stretch work?
- The rocking half frog stretch primarily targets the glutes and hamstrings, and also works the abs and obliques as secondary muscles.
- What equipment do you need for the rocking half frog stretch?
- The rocking half frog stretch requires no equipment — just your body weight.
- Is the rocking half frog stretch good for beginners?
- Yes. The rocking half frog stretch is a beginner-friendly movement and a strong foundation to build on.