Corkscrew

Corkscrew Exercise Description

The Corkscrew is a supine Pilates core drill that teaches controlled trunk rotation and pelvic stability while the legs move in a circular path. You’ll keep the upper body quiet as the abdominals—especially the obliques—steer the legs, with help from the hip flexors and inner thighs to maintain alignment. The goal is smooth, symmetrical circles made within a range that preserves a neutral, supported lumbar spine (no arching or tipping of the pelvis). Arms press lightly into the mat to stabilize the shoulder girdle without shrugging. Performed with precision and steady breathing, the Corkscrew builds control of rotary core forces useful for other Pilates and ground-based movements.

Muscle Groups: Abs, Obliques, Waist
Target Muscles: External Obliques, Internal Obliques
Assisting Muscles: Adductor Longus, Psoas Major
Stabilizing Muscles: Multifidus, Rectus Abdominis, Serratus Anterior, Transversus Abdominis, Trapezius - Lower Fibers
Body Area: Upper Body
Body Parts: Core
Body Surface: Side
Body Symmetry: Bilateral
Equipment: Bodyweight
Exercise Patterns: Other
Exercise Type: Stretching
Functional Grouping: Trunk Lateral Flexors, Trunk Rotators
Joint Involvement: Other
Muscle Location: Deep Side Abs, Side Abs
Movement Direction: Rotational
Muscle Position: Lateral
Gender: Female

How To Do The Corkscrew Exercise

‘- Lie supine; arms long at sides, palms down, shoulders relaxed.
– Bring legs together; extend them toward the ceiling, ankles dorsiflexed or pointed.
– Find a neutral spine; ribs heavy, pelvis level and steady.
– Inhale to prepare; lightly brace the abdominals as if tightening a belt.
– Start a small circle to the right: lower the legs a few inches, then sweep across, up, and back to center.
– Exhale as you complete the circle; keep the sacrum heavy on the mat.
– Repeat to the left, matching size and tempo for symmetry.
– Keep circles only as large as you can control without lumbar arching or rib flare.
– Maintain straight knees; soften them slightly if hamstrings limit control.
– Press arms gently into the mat; avoid using them to swing the legs.
– Keep neck long, gaze up; avoid lifting shoulders or jutting chin.
– Stop each rep tall at center; re-stack ribs and pelvis before the next circle.

Corkscrew Tips

‘- Keep your ribs heavy and pelvis level to maintain a neutral spine throughout.
– Lightly brace your abdominals “like tightening a belt” before starting each circle.
– Move the legs in smooth, controlled circles while keeping the upper body quiet.
– Keep the sacrum heavy on the mat and limit circle size to avoid lumbar arching or rib flare.
– Match the size and tempo of the circles to the right and left for symmetry.
– Keep the legs together and knees straight; soften the knees slightly if hamstrings limit control.
– Choose either dorsiflexed or pointed ankles and maintain that position as you circle.
– Press your arms gently into the mat to stabilize the shoulder girdle without swinging the legs.
– Keep the neck long with your gaze up; avoid lifting the shoulders or jutting the chin.
– Pause “tall” at center after each circle to re-stack ribs and pelvis before starting the next rep.

Corkscrew Beginner Introduction

The Corkscrew is a Pilates mat exercise performed lying on the back, where the legs trace controlled circles in the air while the center of the body remains steady. The movement blends gentle rotation through the torso with strong control around the hips, so the legs appear to glide while the middle of the body stays grounded. Arms rest along the floor to assist with balance and help the shoulders stay relaxed as the legs travel through their arc.

This drill highlights the abs and side abs, with support from the hip flexors and inner thighs to guide the legs together as a single unit. The lower back is held in a comfortable, supported position, so the work concentrates on stability rather than on how far the legs can move. Smooth, even circles on both sides promote symmetry, coordination, and precise control of twisting forces through the mid-section, which translates well to other Pilates and floor-based core work.