Inchworm
Inchworm Exercise Description
Inchworm is a bodyweight, total-body movement that links a controlled hip hinge with a hand walk-out into a high plank and a return to standing. It primarily challenges the anterior core—the rectus abdominis and obliques—in an anti-extension role while reinforcing shoulder and scapular stability in the plank. The hinge and forward fold also move the hamstrings and calves through a comfortable range, all while maintaining a neutral spine. Expect upper-body support from the serratus anterior, deltoids, and pectorals as you “push the floor away,” with glutes and quadriceps contributing to a straight-line plank. The movement stays in the sagittal plane and emphasizes precise lumbopelvic positioning (ribs stacked over pelvis) as you transition between positions. Common faults—locking the knees, rounding the lumbar spine in the fold, or collapsing between the shoulder blades in plank—reduce effectiveness; maintain tension by bracing the trunk and actively pressing through the hands.
- Muscle Groups: Abs, Core, Obliques, Waist
- Target Muscles: External Obliques, Rectus Abdominis
- Assisting Muscles: Internal Obliques
- Stabilizing Muscles: Deltoid - Anterior, Gluteus Maximus, Pectoralis Major - Sternal Head, Serratus Anterior
- Body Area: Upper Body
- Body Parts: Core, Torso
- Body Surface: Front, Side
- Body Symmetry: Other
- Equipment: Bodyweight
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Trunk Flexors, Trunk Lateral Flexors, Trunk Rotators
- Joint Involvement: Multi-joint
- Muscle Location: Side Abs, Stomach
- Movement Direction: Other
- Muscle Position: Anterior, Lateral
- Gender: Male
How To Do The Inchworm Exercise
‘- Stand tall with feet hip-width, toes forward, arms at sides.
– Set your brace: lightly draw ribs down over pelvis; keep a long, neutral spine.
– Hinge at the hips and soften the knees; slide hands toward the floor without rounding the low back.
– Place hands on the floor (bend knees as needed to keep neutral), then walk hands forward in small steps.
– Stop in a high plank: wrists under shoulders, fingers spread, elbows soft.
– Press the floor away; keep shoulder blades stable on the ribcage, neck long, gaze slightly ahead of hands.
– Form a straight line from head to heels; engage glutes and quads; avoid sagging or piking hips.
– Breathe steadily while maintaining the brace.
– Walk hands back toward the feet, staying in a hinge with a slight knee bend.
– Drive hips forward to stand tall, finishing with neutral spine and stacked posture.
Inchworm Tips
‘- Lightly draw your ribs down over your pelvis at the start to set your brace and maintain it throughout.
– Hinge at the hips and soften your knees as you fold instead of locking your legs.
– Slide your hands toward the floor without rounding your low back; bend your knees as needed to keep a neutral spine.
– Walk your hands forward in small steps until your wrists are under your shoulders, fingers spread, elbows soft.
– In the plank, press the floor away to keep your shoulder blades stable on your ribcage.
– Keep your neck long with your gaze slightly ahead of your hands in the plank.
– Form a straight line from head to heels by engaging your glutes and quads, avoiding sagging or piking hips.
– Breathe steadily while holding your brace during the plank and transitions.
– As you walk your hands back, stay in a hip hinge with a slight knee bend instead of straightening your knees.
– Finish by driving your hips forward to stand tall with a neutral spine and stacked posture.
Inchworm Beginner Introduction
Inchworm is a dynamic bodyweight exercise that flows from an upright stance into a plank position and back again, creating a smooth, full-body sequence. The movement combines a hip bend with a hand walk-out, then returns to standing, so the body moves in a simple forward-and-back path. Throughout this pattern, the abs and side abs work hard to resist arching through the lower back, while the shoulders, chest, and the area around the shoulder blades handle much of the support in the plank.
The bend through the hips and forward fold bring gentle motion to the hamstrings and calves, while the glutes and quads contribute to a strong, straight plank shape. A key theme is steady control through the middle of the body, with the ribs and pelvis staying well-organized as the position changes. Many people notice that locked knees, a rounded low back, or sinking between the shoulders can creep in, which can shift effort away from the core and upper body. Practiced smoothly, this exercise highlights coordination, posture, and full-body tension in one continuous chain of movement.