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Joints and bones

Piriformis syndrome: strengthen the hip, stop stretching it

It looks like sciatica and it starts in the buttock, and the thing most people do about it is the thing least likely to help.

Created by Lee Albert, NMT · 8 August 2026

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What it is

Piriformis syndrome is irritation of the sciatic nerve where it passes through the deep muscles of the buttock, rather than where it leaves the spine. The piriformis is one of a group of small muscles that rotate the hip, and the nerve runs right alongside it. When those muscles are overworked, the nerve gets compressed or irritated as it passes. It is increasingly discussed under the wider name deep gluteal syndrome, and it is largely a diagnosis of exclusion: it is what remains once the spine has been ruled out.

How it behaves day to day

A deep ache in one buttock, often with symptoms travelling down the back of the leg, and it is usually worse after long sitting. Sitting on a hard seat, driving, or sitting on a wallet are the classic complaints. Unlike sciatica coming from the spine, it often has no back pain with it at all.

What tends to feed it

• ·Long periods of sitting, particularly on a hard or uneven seat
• ·Aggressive stretching of the buttock into the symptom
• ·A sudden increase in running, walking or stairs
• ·Weakness at the side of the hip, which leaves the deep rotators doing extra work

What the research recommends

The evidence base here is thinner than for the guideline-backed conditions on this site, and it deserves saying. The consistent theme across the physical therapy literature is that strengthening the surrounding hip musculature, particularly the gluteus medius, reduces the demand on the piriformis more effectively than stretching does. Deep external rotator strengthening at controlled ranges, and pelvic stability work of the bird dog and single-leg stance type, reduce the compensatory loading on the deep rotators during walking. Stretching is not useless, but the sequencing matters: it becomes beneficial as symptoms settle and hip strength returns, rather than as the first thing to reach for. A case report published in JOSPT describes exactly this approach, focusing on hip muscle strengthening and movement re-education. The large majority of cases resolve with conservative management.

Sources

1. 1
   Treatment of an individual with piriformis syndrome focusing on hip muscle strengthening and movement re-education, case report (JOSPT 2010)

   Describes management centred on hip muscle strengthening and movement re-education rather than on stretching the piriformis.

2. 2
   A controlled clinical trial of stretching and compression exercises in chronic low back pain patients with deep gluteal syndrome

   Examines stretching and compression exercise in deep gluteal syndrome, the wider name this condition now sits under.

3. 3
   NICE NG59, low back pain and sciatica in over 16s (2016, updated 29 July 2026)

   For sciatic symptoms generally, self-management and exercise are the core of care and rest is not recommended.

Where Vinys is different

• ·Vinys puts the hip strengthening first rather than leading with the buttock stretch that most routines open with, because reducing the demand on the deep rotators is what the literature actually points at.
• ·Selecting piriformis leaves forced end-of-range positions out of the session. To be straight about the size of that: it is a small, targeted change to the pose list, not an overhaul of the session.
• ·The larger difference is nerve-aware sequencing shared with sciatica, so the session avoids loading the spine into bending and twisting while symptoms are active.
• ·Sessions adapt to the day, which matters because this condition is strongly provoked by how much sitting the day contained.
• ·Where yoga meets physiotherapy: the hip strengthening from one, and the mobility and nerve-aware movement from the other, in the same short session.

A short session to try

1. 1

   Clamshell · 10 to 12 each side

   Gluteus medius strengthening, which is the single most useful thing here and the part most routines skip.

2. 2

   Glute bridge · 10 slow lifts

   Builds the back of the hip so the deep rotators are not doing the work of the larger muscles.

3. 3

   Bird-Dog · 5 each side

   Pelvic stability, which reduces the compensatory load on the deep rotators when you walk.

4. 4

   Figure 4 stretch · 30 seconds each side, gently

   The buttock stretch, kept deliberately gentle and placed after the strengthening rather than before it.

5. 5

   Extended exhale breathing · 2 minutes

   Nerve irritation and guarding feed each other, and slowing the breath out interrupts that cheaply.

Movements often used for this

These are movements the clinical library marks as especially beneficial for this movement pattern, with anything it flags as a caution for the same pattern removed. A pattern is not a diagnosis, and your own session is built from your answers on the day.

Common questions

Also called deep gluteal syndrome, piriformis, buttock pain, wallet sciatica. Movements are drawn from the clinically authored Vinys library, and the guidance above is sourced to the publications listed. This page is general movement information, not medical advice, and it is not a diagnosis. How the method works.