Inchworm

Inchworm is a dynamic mobility - hamstring and plank transition exercise involving Hamstrings. Use these steps to learn the movement and work with your coach to choose a suitable level.

Last updated: · DynPerformance

Primary muscles
Hamstrings
Secondary muscles
Gastrocnemius, Rectus abdominis, Serratus anterior
Exercise type
Dynamic mobility - hamstring and plank transition

Exercise technique

  1. Start

    Stand upright with your feet close together.

  2. Reach the floor

    Hinge at your hips and bend your knees slightly if needed to place your hands on the floor ahead.

  3. Walk the hands

    Keep your feet still and walk your hands forward in small steps.

  4. Plank

    Once your shoulders are above your hands, stabilize your body in a straight line.

  5. Walk the feet

    Keep your hands still and approach them with small foot steps.

  6. Lift the hips

    Raise your hips while keeping your legs long within a comfortable range.

  7. Progress

    Walk your hands forward again and continue this controlled sequence.

Key technique points

Common mistakes

Hands too far forward

Do not exceed abdominal control and let your lower back collapse.

Jumping the feet

Do not replace small walking steps with a jump.

Forcing a rounded back

Do not insist on reaching the floor when hamstring range is insufficient.

Collapsing at the shoulders

Maintain upper-body support while walking your hands.

Locking the legs

Do not force your knees backward to increase the stretch.

Skipping the plank

Do not perform only short folds without straightening your torso each cycle.

Frequently asked questions

Inchworm: why is “Hands too far forward” a mistake?

Do not exceed abdominal control and let your lower back collapse.

Inchworm: why is “Jumping the feet” a mistake?

Do not replace small walking steps with a jump.

Inchworm: why is “Forcing a rounded back” a mistake?

Do not insist on reaching the floor when hamstring range is insufficient.

Inchworm: why is “Collapsing at the shoulders” a mistake?

Maintain upper-body support while walking your hands.

Inchworm: why is “Locking the legs” a mistake?

Do not force your knees backward to increase the stretch.

Inchworm: why is “Skipping the plank” a mistake?

Do not perform only short folds without straightening your torso each cycle.

What should I focus on when doing Inchworm?

Use small hand steps. Do not sag through the lower back in plank. Walk your feet toward your hands slowly. Do not force straight knees. Fold at the hips. Balance your shoulders over your palms.

Related exercises

Add this exercise to your program with your coach

If you have a health condition, consult a qualified professional.