How to Do the Inch Worm
The inchworm is a walking drill where you hinge forward, walk your hands out to a plank, then walk your feet back to your hands. It stretches your hamstrings and calves while training your shoulders and abs. It suits beginners as a warm-up or mobility move.


Muscles worked
Primary
- Abs
- Shoulders
Secondary
- Hamstrings
- Chest
How to do the Inch Worm
- 1
Stand tall with your feet hip-width apart.
- 2
Hinge forward and place your hands on the floor; bend your knees if needed.
- 3
Walk your hands forward until you reach a plank position.
- 4
Brace your abs and keep your hips level for a moment.
- 5
Walk your feet toward your hands in small steps.
- 6
Keep your legs as straight as comfortable.
- 7
Stand up and repeat.
Form cues to remember
- Hands walk out, hips stay level
- Small steps with your feet
- Brace in the plank
- Reach long
Common mistakes
Letting your hips sag in the plank
Squeeze your glutes and brace your abs.
Bending your knees too much
Bend only as much as you need and stretch your hamstrings over time.
Taking huge steps
Use small steps with your hands and feet.
Rushing the movement
Move smoothly to feel the stretch and the shoulder work.
Sets and reps
| Mobility | 2–3 sets of 5–8 reps as a warm-up |
|---|---|
| Conditioning | 3 rounds of 8–10 reps, with 30 seconds rest |
Keep your wrists comfortable and your core braced to protect your lower back. Skip the plank if your wrists or shoulders hurt.
Inch Worm FAQ
What does the inchworm stretch?
Mainly your hamstrings and calves as you reach down and walk your feet in. It also warms up your shoulders and core.
Is the inchworm a good warm-up?
Yes. It raises your heart rate and moves your hips, shoulders and ankles through a good range before training.
How far should I walk my hands out on the inch worm?
Walk until you reach a plank with a flat back. If it is too hard, shorten the walk.








