Piriformis Stretch

The piriformis is a small, deep muscle in the buttock that plays a big role in how your hip moves. When it gets tight or goes into spasm, it can press on the nearby sciatic nerve and send pain, tingling, or numbness down the back of the leg. Stretching it regularly is one of the simplest ways to ease that tension and calm the symptoms it causes.

Why the Piriformis Stretch Matters

The piriformis runs from the base of your spine to the top of your thigh bone, right next to the sciatic nerve. In some people the nerve even passes directly through the muscle. That close relationship is why a tight piriformis is a common driver of sciatica and buttock pain, sometimes called piriformis syndrome. Releasing the muscle takes pressure off the nerve, which can ease symptoms that feel like they're coming from the lower back but actually start in the hip. It's a useful stretch whether you're managing a pinched nerve or just sitting for long hours, which shortens and tightens the muscle over time.

How to Do the Piriformis Stretch

There are two common ways to do this stretch. Start with whichever is more comfortable for you.

Lying version (supine figure-4). Lie on your back with both knees bent and feet flat on the floor. Cross the ankle of the side you want to stretch over the opposite thigh, just above the knee, so your legs make a figure-4 shape. Reach through and clasp your hands behind the supporting thigh, then gently draw that thigh toward your chest until you feel a stretch deep in the buttock of the crossed leg. Keep your head and shoulders relaxed on the floor.

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Seated version. Sit tall in a sturdy chair with both feet flat on the floor. Cross the ankle of the side you want to stretch over the opposite knee, keeping the crossed ankle just past the knee. Sitting up straight, gently hinge forward from your hips, keeping your back flat, until you feel the stretch in the buttock. This version is a good choice if getting down to the floor is difficult.

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How Long to Hold

Hold each stretch for 20 to 30 seconds and repeat 2 to 3 times on each side. Aim to do it once or twice a day, and always stretch both sides even if only one feels tight. The stretch should feel like a gentle pull, never sharp pain. If you feel shooting pain or tingling down the leg, ease off.

Common Mistakes to Avoid

Watch for rounding your back instead of hinging from the hips in the seated version, which shifts the stretch away from the target. Avoid bouncing or forcing the stretch, holding your breath, or pulling so hard that you feel nerve pain rather than a muscle stretch. Slow and gentle wins here.

Making It Easier or Harder

To make it gentler: in the lying version, keep the supporting foot on the floor and only lift the thigh a small amount, or place a pillow under your head for comfort.

To progress it: draw the thigh a little closer in the lying version, or hinge slightly further forward when seated, always staying within a comfortable stretch. Pairing this stretch with hip strengthening like the clam shell exercise, along with general stretching and gentle nerve mobility from the straight leg raise, builds a well-rounded routine for the hip and lower back.

If tight hips and buttock pain are a recurring issue for you, our article on massage therapy for sciatica explains how manual therapy complements stretching, and a physiotherapist can confirm whether the piriformis is really the source of your symptoms. Getting on it early also helps you sidestep the longer road described in preventing chronic pain.

Therapia provides in-home physiotherapy and massage therapy across the GTA, including Toronto, Mississauga, Oakville, and Vaughan. Book online or call 416-526-6933.

Commonly Recommended For: Physiotherapists often include the piriformis stretch in treatment plans for Sciatica, Back and Neck Pain, Pinched Nerve, and Disc Bulge / Herniation. If you're managing one of these conditions, speak with your physiotherapist about whether this exercise is appropriate for you.