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Pilates · Intermediate

Single-Leg Stretch

The single-leg stretch is a Pilates mat exercise where you lie on your back, curl your head and shoulders up, and alternate pulling each knee toward your chest while extending the opposite leg. It trains your deep abdominal muscles and hip flexors while also challenging your coordination and balance from the floor — a safe position for most people. Done consistently, it builds the core control that makes everyday tasks like getting up from a chair or bending to pick something up feel easier.

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Category

Pilates

Difficulty

Intermediate

Equipment

Bodyweight

MET

3.0

Primary muscles

Abdominals

Secondary muscles

Hip flexorsObliques

The movement

Form cues

  1. 01

    Lie on your back with your knees bent and feet flat on the floor before you begin.

  2. 02

    Curl your head and shoulders off the mat just enough so the bottom of your shoulder blades lifts — think of cracking a walnut under your chin, not tucking your chin to your chest.

  3. 03

    Draw your right knee toward your chest and place your right hand on your right ankle and your left hand just below your right knee.

  4. 04

    At the same time, extend your left leg out at a 45-degree angle — if your lower back arches off the mat, raise the leg higher toward the ceiling.

  5. 05

    Squeeze your stomach muscles toward your spine as if bracing for a light tap to the belly.

  6. 06

    Switch legs in a slow, controlled motion — pull the left knee in while extending the right leg, swapping hand positions to match.

  7. 07

    Keep your elbows wide and your shoulders relaxed away from your ears throughout the movement.

  8. 08

    Breathe out as you pull the knee in, breathe in as you switch — let the breath set the rhythm.

Dosage

How long, how many

Sets

3

Reps

8-10

Rest

60 sec

Watch for

Common mistakes

  • Straining your neck by pulling it up with your hands — if your neck aches, rest your head back on the mat and just work the legs.

  • Lower back lifting off the mat when the extended leg drops too low — raise the outstretched leg higher until you feel your back stay flat.

  • Rushing through the switch so it becomes a kick rather than a controlled movement — slow down until you can feel each leg change deliberately.

  • Gripping the knee itself instead of placing one hand below it — pulling directly on the knee joint can stress it, so keep one hand on the shin and one on the ankle.

  • Holding your breath through the effort — if you notice you've gone silent, exhale on the next pull-in and restart the breathing pattern.

Scale it

Easier and harder variations

Easier

Keep your head and shoulders resting on the mat the entire time and just alternate pulling each knee to your chest without the curl-up.

Use this if you have neck tension, recent neck or shoulder issues, or are new to floor core work.

Harder

Lower the extended leg closer to the floor — hovering just a few inches above the mat — to increase the demand on your deep abdominals.

Try this once you can complete 10 reps per side with your lower back staying flat throughout.

Note

  • If you have hip replacement or significant hip stiffness, skip the full knee pull — instead, slide one heel toward your seat while the other leg stays flat, keeping both feet on the mat the whole time.

    Use this after hip surgery or when hip flexion range is limited, and check with your physical therapist before progressing.

Sources

Form descriptions and cues are sourced from wger (CC-BY-SA 4.0) and the Free Exercise DB (public domain), edited for the 60+ audience. MET value cites Ainsworth BE, et al. 2011 Compendium of Physical Activities. Med Sci Sports Exerc 43(8):1575-1581.

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