Pull In On Stability Ball

Pull In On Stability Ball Exercise Description

The stability ball pull-in (also called a ball knee tuck) is a core-focused movement performed from a plank with your shins on a stability ball. It emphasizes the rectus abdominis and deep trunk stabilizers (transverse abdominis), with assistance from the hip flexors as the knees draw in. Your shoulders, serratus anterior, and triceps work isometrically to stabilize the shoulder girdle while you control the ball. The goal is to maintain a neutral spine and level pelvis as the ball rolls under you, avoiding lumbar sag or excessive rounding. Done with smooth control, it builds anterior core strength and anti-extension control that carries over to planks and other closed-chain upper-body positions.

Muscle Groups: Abs, Core, Waist
Target Muscles: Rectus Abdominis, Transversus Abdominis
Assisting Muscles: Psoas Major, Rectus Femoris
Stabilizing Muscles: Serratus Anterior, Triceps Brachii - Medial Head
Body Area: Upper Body
Body Parts: Core, Torso
Body Surface: Front
Body Symmetry: Bilateral
Equipment: Stability Ball
Exercise Patterns: Other
Exercise Type: Strength
Functional Grouping: Core Stabilizers, Trunk Flexors
Joint Involvement: Multi-joint
Muscle Location: Deep Abs, Stomach
Movement Direction: Horizontal
Muscle Position: Anterior
Gender: Female

How To Do The Pull In On Stability Ball Exercise

‘- Place hands on the floor under shoulders, arms straight; spread fingers and grip the floor.
– Position shins on the stability ball; start in a straight-line plank from head to heels.
– Brace your trunk (360°), lightly tuck ribs toward hips, and keep a neutral neck with eyes slightly ahead of your hands.
– Press the floor away to keep shoulder blades stable (no winging or sinking).
– Exhale and draw knees toward your chest, flexing at hips and knees as the ball rolls under you.
– Keep pelvis level; avoid hiking hips or letting the low back arch.
– Pause briefly when knees are under hips, maintaining control and steady breathing.
– Inhale and extend hips and knees to return the ball to the starting plank without dropping the hips.
– Move slowly; prioritize a stable spine and quiet upper body over range.
– Stop the set if you lose neutral alignment, shoulder position, or balance.

Pull In On Stability Ball Tips

‘- Start with your hands directly under your shoulders, arms straight, and fingers spread to grip the floor.
– Position your shins on the ball and form a straight-line plank from head to heels before you begin moving.
– Brace your trunk 360° and lightly tuck your ribs toward your hips to help maintain a neutral spine.
– Keep a neutral neck with your eyes focused slightly ahead of your hands.
– Press the floor away so your shoulder blades stay stable, avoiding winging or sinking.
– As you pull the ball in, exhale and draw your knees toward your chest by flexing at the hips and knees.
– Keep your pelvis level throughout; avoid hiking your hips up or letting your low back arch.
– Pause briefly when your knees are under your hips, maintaining control and steady breathing.
– Inhale as you extend your hips and knees to roll back to the starting plank without dropping your hips.
– Move slowly and stop the set if you lose neutral alignment, solid shoulder position, or balance.

Pull In On Stability Ball Beginner Introduction

The stability ball pull-in is a challenging plank variation that uses a large exercise ball to place more demand on the front of your core. With the shins resting on the ball and the hands supporting the upper body on the floor, the legs glide in and out so the knees move toward the chest and then back to a long, straight-body position. This shifting of the ball asks the abs, deep core, and hip flexors to work hard while the shoulders, rib area, and arms stay strong and steady to support the upper body.

Because the trunk stays long and aligned while the legs move, this exercise highlights control rather than speed. The lower back and pelvis are encouraged to stay level instead of sagging or rounding as the ball travels, which trains the core to resist excessive arching. Performed with smooth, deliberate motion, it can build strength and stability for planks and other ground-based upper-body movements where the hands remain fixed on the floor.