Leg Extension Plank

Leg Extension Plank Exercise Description

The Leg Extension Plank is a plank variation that adds a controlled hip extension to increase trunk stiffness and anti-rotation control. It primarily challenges the anterior core (rectus abdominis and transverse abdominis) and the obliques to maintain a neutral spine while one leg moves. The gluteus maximus of the lifting leg performs hip extension, and the stance-side gluteus medius helps keep the pelvis level; the shoulders and serratus anterior stabilize the upper body. The goal is to hold a straight line from head to heels while lifting a leg only as high as you can without arching the lower back or rocking the hips. This variation is a concise way to train whole-body stability in a prone support position using only body weight.

Muscle Groups: Abs, Core, Obliques, Waist
Target Muscles: External Obliques, Internal Obliques, Rectus Abdominis, Transversus Abdominis
Assisting Muscles: Gluteus Maximus
Stabilizing Muscles: Gluteus Medius, Serratus Anterior
Body Area: Upper Body
Body Parts: Core, Torso
Body Surface: Front, Side
Body Symmetry: Unilateral
Equipment: Bodyweight
Exercise Patterns: Other
Exercise Type: Strength
Functional Grouping: Core Stabilizers, Trunk Flexors, Trunk Lateral Flexors, Trunk Rotators
Joint Involvement: Single-joint
Muscle Location: Deep Abs, Deep Side Abs, Side Abs, Stomach
Movement Direction: Rotational
Muscle Position: Anterior, Lateral
Gender: Male

How To Do The Leg Extension Plank Exercise

‘- Set up in a forearm plank: elbows under shoulders, forearms parallel, feet hip-width apart.
– Create a straight line from head to heels; neck neutral, gaze down.
– Brace the abdominal wall, lightly tuck the ribs, and squeeze both glutes.
– Press the floor away to keep shoulder blades stable without shrugging.
– Without shifting or rotating, squeeze the right glute and extend the hip to lift the right leg a few inches; keep the knee straight and toes pointing toward the floor.
– Keep the pelvis level and the lower back flat; avoid arching or hiking the hips.
– Hold briefly while breathing steadily, then lower the leg with control.
– Alternate sides, lifting only as high as you can maintain a neutral spine.
– For more stability, widen your foot stance; for a greater control challenge, bring the feet closer.
– Avoid common errors: letting the stomach sag, rotating the hips, lifting the leg too high, holding your breath, or collapsing through the shoulders.

Leg Extension Plank Tips

‘- Set your elbows directly under your shoulders with forearms parallel to create a solid base.
– Position your feet about hip-width apart to start, then adjust narrower or wider based on control.
– Maintain a straight line from head to heels with a neutral neck and gaze down.
– Brace your abdominal wall and lightly tuck the ribs to help keep the spine neutral.
– Squeeze both glutes before lifting a leg to stabilize the pelvis.
– Press the floor away with your forearms to keep the shoulder blades stable without shrugging.
– When lifting a leg, squeeze the glute and extend the hip without shifting or rotating the hips.
– Keep the knee straight and toes pointing toward the floor as the leg lifts.
– Lift the leg only as high as you can while keeping the pelvis level and lower back flat.
– Breathe steadily throughout; avoid holding your breath during the hold.

Leg Extension Plank Beginner Introduction

The Leg Extension Plank blends a classic plank position with a small, controlled leg lift to challenge stability in a new way. Performed on the forearms with the body held in a long, straight line, this movement asks the mid-section and side abs to hold everything steady while one leg extends behind. As the leg moves, the glutes on the lifting side work to raise the leg from the hip, while the opposite-side glutes assist in keeping the hips level. The shoulders and muscles around the rib cage and upper body contribute by supporting the torso against the ground.

This exercise centers on staying solid through the trunk while a limb moves, rather than on large, dramatic motion. The lifted leg travels only a short distance, with the lower back and hips resisting sagging, twisting, or tipping. Steady breathing, a firm mid-section, and active shoulders all play a role in maintaining control. Common mistakes often involve the stomach dropping, the hips turning, the leg flying too high, or the upper body sinking toward the floor, which all reduce the stability challenge this drill is designed to create.