Ab Tuck
Ab Tuck Exercise Description
The Ab Tuck is a bodyweight core exercise that combines trunk flexion with hip flexion to train the anterior core. As you draw the knees toward the chest, the rectus abdominis drives posterior pelvic tilt and ribcage-to-pelvis approximation, while the hip flexors assist. The obliques and transverse abdominis contribute by bracing, maintaining trunk control, and limiting unwanted rotation or excessive extension. Proper execution emphasizes smooth, controlled movement rather than momentum so the abs, not the arms or hip flexors alone, do the work. Expect a strong midline challenge as you keep the chest open, shoulders down, and a long neck while the pelvis rolls under to complete each tuck.
- Muscle Groups: Abs, Core, Waist
- Target Muscles: Rectus Abdominis
- Assisting Muscles: Iliacus, Psoas Major, Rectus Femoris
- Stabilizing Muscles: External Obliques, Internal Obliques, Transversus Abdominis
- Body Area: Upper Body
- Body Parts: Core, Torso
- Body Surface: Front
- Body Symmetry: Bilateral
- Equipment: Bodyweight
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Trunk Flexors
- Joint Involvement: Multi-joint
- Muscle Location: Stomach
- Movement Direction: Horizontal
- Muscle Position: Anterior
- Gender: Male
How To Do The Ab Tuck Exercise
‘- Sit on the floor with knees bent, heels lightly on the ground; place fingertips on the floor just behind your hips for balance (don’t push through the hands).
– Lift your chest, draw the ribs down, and set a slight posterior pelvic tilt; keep shoulders away from ears and chin gently tucked.
– Lean back a few degrees as one unit from the hips while maintaining a braced, long spine.
– Exhale and pull the knees toward the chest by tucking the pelvis and flexing the trunk; keep shins roughly parallel to the floor.
– Pause briefly with control; avoid collapsing the chest or rounding the neck.
– Inhale and slowly extend the hips and knees to return, stopping before the low back arches or you lose trunk control.
– Keep movement smooth—no bouncing, swinging, or jerking.
– Common checkpoints: ribs stacked over pelvis, low back lightly “tucked,” gaze forward, and light fingertip support only.
Ab Tuck Tips
‘- Use light fingertip contact behind your hips for balance and avoid pushing through your hands.
– Keep your chest lifted and ribs drawn down to maintain ribs stacked over your pelvis.
– Maintain a slight posterior pelvic tilt so the low back stays lightly tucked throughout.
– Lean back a few degrees as one unit from the hips while keeping a braced, long spine.
– As you tuck, exhale and pull the knees toward your chest by tucking the pelvis and flexing the trunk, not by swinging.
– Keep your shins roughly parallel to the floor at the top of each tuck.
– Pause briefly in the tucked position without collapsing your chest or rounding your neck.
– Inhale and slowly extend your hips and knees to return, stopping before your low back arches or you lose trunk control.
– Keep the movement smooth and controlled—no bouncing, swinging, or jerking.
– Maintain shoulders away from your ears, chin gently tucked, and gaze forward to keep a long neck.
Ab Tuck Beginner Introduction
The Ab Tuck is a bodyweight core movement that centers on bending at both the hips and the midsection to challenge the front of the torso. From a seated, supported position on the floor, the body leans back slightly as one solid unit while the knees travel in toward the torso. As the knees move closer, the pelvis curls under and the front ribs draw toward the hips, placing strong emphasis on the abs. The hip flexors contribute to bringing the legs in, while the side abs and deeper core muscles brace to control the spine and limit twisting or overarching.
This exercise highlights precise, unhurried motion rather than swinging or throwing the legs. Light fingertip support behind the hips assists with balance without taking over the work. Throughout each repetition, the chest stays lifted, shoulders settle away from the ears, and the back of the neck stays long as the pelvis gently rolls under. The result is a concentrated challenge for the center of the body and overall trunk control.