Seated Lean Back Open And Close On A Chair

Seated Lean Back Open And Close On A Chair Exercise Description

Seated Lean Back Open and Close on a Chair targets the trunk musculature while you stabilize your torso and move at the hips. The primary role is core stabilization—rectus abdominis and the internal/external obliques resist spinal extension and rotation as you lean back. The legs “open and close” through the hips, engaging the hip abductors/adductors and the hip flexors (e.g., iliopsoas, rectus femoris) to hold the thighs up. This creates a controlled anti-extension/anti-rotation challenge in a supported, chair-based position that reduces balance demands. Maintain a neutral spine, level pelvis, and steady breathing throughout to keep the work in the core rather than the lower back or neck.

Muscle Groups: Abs, Core, Obliques, Waist
Target Muscles: External Obliques, Internal Obliques, Rectus Abdominis
Assisting Muscles: Adductor Longus, Gluteus Medius, Psoas Major, Rectus Femoris
Stabilizing Muscles: Multifidus, Quadratus Lumborum, Transversus Abdominis
Body Area: Upper Body
Body Parts: Core, Torso
Body Surface: Front, Side
Body Symmetry: Bilateral
Equipment: Bodyweight, Chair
Exercise Patterns: Other
Exercise Type: Strength
Functional Grouping: Trunk Flexors, Trunk Lateral Flexors, Trunk Rotators
Joint Involvement: Multi-joint
Muscle Location: Deep Side Abs, Side Abs, Stomach
Movement Direction: Lateral
Muscle Position: Anterior, Lateral
Gender: Male

How To Do The Seated Lean Back Open And Close On A Chair Exercise

‘- Sit mid-chair on a stable, non‑rolling chair; hold the sides of the seat.
– Stack ribs over pelvis, shoulder blades gently down and back, chin tucked.
– Brace your abdominal wall (as if preparing to cough).
– Hinge slightly back from the hips while keeping a neutral spine; avoid slumping or arching.
– Lift both feet a few inches with knees bent (shins roughly parallel to the floor).
– “Open”: move the knees apart from each other via the hips; keep thighs at the same height and pelvis level.
– “Close”: bring the knees together with control; torso angle stays unchanged.
– Keep the movement small and smooth; breathe continuously without holding your breath.
– Lower feet to the floor and return upright to finish.
– Avoid pulling on the neck, rounding the shoulders, or letting the chair tip.

Seated Lean Back Open And Close On A Chair Tips

‘- Sit mid‑chair on a stable, non‑rolling chair and hold the sides of the seat for support.
– Stack ribs over pelvis with shoulder blades gently down and back and chin tucked.
– Brace your abdominal wall as if preparing to cough before you lean back.
– Hinge slightly back from the hips while keeping a neutral spine; avoid slumping or arching.
– Lift both feet only a few inches so shins are roughly parallel to the floor.
– Keep thighs at the same height and pelvis level as the legs move.
– Open and close the knees from the hips while keeping your torso angle unchanged.
– Keep the movement small, smooth, and controlled throughout.
– Breathe continuously without holding your breath from start to finish.

Seated Lean Back Open And Close On A Chair Beginner Introduction

Seated Lean Back Open and Close on a Chair is a controlled, chair-based core move that emphasizes stability over big, flashy motion. The person sits on a sturdy, non-moving chair and slightly reclines from the hips, so the middle of the body works hard to prevent the back from over-arching or twisting. The abs and side abs provide most of the support, helping the torso feel solid and steady while the legs move.

With the feet lifted and the knees bent, the legs gently separate and come back together from the hip joints. This action brings the hip flexors, outer hips, and inner thighs into the effort as they help hold the thighs up and guide the “opening” and “closing” motion. The spine stays long and aligned, the pelvis stays even, and breathing stays smooth so that the work stays centered in the core rather than shifting into the lower back or neck. This creates a focused challenge for trunk control in a supported sitting position that lessens balance demands.