Reverse Frog Hyperextension On Box
Reverse Frog Hyperextension On Box Exercise Description
The Reverse Frog Hyperextension on Box is a bodyweight hip extension performed prone with the pelvis supported on a box and the legs hanging free. Bending the knees and externally rotating the hips (“frog” position) reduces hamstring leverage, placing greater emphasis on the gluteus maximus to extend the hips while the trunk remains stable. The spinal erectors and deep trunk musculature work isometrically to maintain a neutral spine and controlled pelvis throughout the motion. The goal is to lift the thighs by driving from the hips, not by arching the lower back or using momentum. This variation reinforces clean hip extension mechanics: ribs down, pelvis steady, femurs moving into extension until the thighs align with the torso. It is a focused posterior-chain drill that highlights glute-driven motion with precise lumbopelvic control.
- Muscle Groups: Glutes, Hips
- Target Muscles: Gluteus Maximus
- Assisting Muscles: Biceps Femoris - Long Head, Semimembranosus, Semitendinosus
- Stabilizing Muscles: External Obliques, Iliocostalis, Longissimus, Multifidus, Transversus Abdominis
- Body Area: Lower Body
- Body Parts: Hips, Legs, Upper Legs
- Body Surface: Back
- Body Symmetry: Bilateral
- Equipment: Bodyweight
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Hip Extensors
- Joint Involvement: Single-joint
- Muscle Location: Glutes
- Movement Direction: Other
- Muscle Position: Posterior
- Gender: Male
How To Do The Reverse Frog Hyperextension On Box Exercise
‘- Set a sturdy box/bench so your hips can rest on the edge; pad as needed.
– Lie prone with your lower abdomen/hip crease just past the edge; grip the box for stability.
– Keep head and neck neutral; lightly draw ribs down and brace.
– Bend knees about 90°. Externally rotate hips so toes point out; keep heels lightly together and knees slightly apart.
– Start with thighs relaxed below hip level.
– Without swinging, squeeze the glutes to extend the hips and raise the thighs until they are roughly in line with your torso.
– Pause briefly with a neutral spine; avoid lifting higher by arching the low back.
– Maintain the frog position; let the motion occur at the hips only.
– Lower the legs under control until hips return to the start.
– Step off the box carefully after the set, keeping the spine neutral.
Reverse Frog Hyperextension On Box Tips
‘- Position your lower abdomen/hip crease just past the box edge so the legs can hang freely.
– Grip the box firmly to stabilize your torso and prevent unwanted upper-body movement.
– Keep your head and neck neutral while lightly drawing the ribs down and bracing.
– Bend your knees to about 90° and externally rotate so toes point out, heels lightly together, and knees slightly apart.
– Maintain the same “frog” leg position for the entire set.
– Begin with thighs relaxed below hip level before each rep.
– Initiate the lift by squeezing the glutes to extend the hips, not by swinging the legs.
– Raise the thighs only until they are roughly in line with your torso, then pause with a neutral spine.
– Avoid getting extra height by arching the lower back; let the motion occur at the hips only.
– Lower the legs under control back to the start, then step off the box carefully while keeping your spine neutral.
Reverse Frog Hyperextension On Box Beginner Introduction
The Reverse Frog Hyperextension on Box is a bodyweight movement done face-down on a raised surface, with the front of the hips supported and the legs hanging underneath. The knees are bent and the legs turned outward in a frog-like shape, which takes some work away from the back of the thighs so the glutes become the main drivers of the lift. The thighs travel upward until they are roughly level with the body, while the upper body stays anchored to the box or bench.
Throughout the exercise, the glutes create the motion at the hips, while the lower back and core hold a steady, stacked position. The idea is that the hips open and close against gravity without swinging or extra arching through the spine. This makes the drill especially centered on strengthening the back of the hips and improving hip-driven extension with a calm, controlled trunk. It offers a very targeted way to practice powerful glute work while training the back and core to stabilize in place.