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(Last Updated On: August 10, 2019)

Piriformis Muscle Pain: Trigger Points and Piriformis Syndrome

Where Is The Piriformis Muscle?

The piriformis muscle connects the sacrum (base of the spine) to the ball of the hip (greater trochanter).

What Movements Does The Piriformis Muscle Control?

  • Twists the thigh away from the body when the hip is straighten (extended)
  • Moves the thigh away from the body when the hip is bent (flexed)
  • Helps to stabilize the hip

The Piriformis Muscle Anatomy page has origin, insertion, action, innervation, and blood supply information. Agonist and antagonists are listed for each muscle action.

Piriformis Muscle Pain

The piriformis muscle is a small muscle in the hip that can cause unrelenting pain and discomfort. If you are experiencing hip, buttock pain and/or symptoms of sciatica, there is a high probability that the piriformis is involved and should be included in a treatment program.

The two most common causes of pain caused by the piriformis are the development of trigger points and piriformis syndrome. These are not mutually exclusive, it is possible to have both at the same time.

Trigger point pain is most often felt at the base of the spine and in the buttock over toward the hip joint. Pain may travel down into the upper thigh.

Piriformis syndrome pain mimics sciatica symptoms. Pain can run from the lower back down into the buttock continuing down the back of the thigh and into the calf and foot.

The symptoms of piriformis trigger points and piriformis syndrome are similar, however there are differences. Trigger point pain is more of an unrelenting aching pain that affects the lower back, buttock, and occasionally the back of the upper thigh.

Piriformis syndrome pain is more considerably more intense. The pain can be aching or sharp and is often accompanied by tingling, burning sensations, numbness and hypersensitivity.

Piriformis Muscle Pain Pattern

Piriformis Pain Referral: Pain in the hip, hip joint, and buttock. Pain may extend up into the low back and travel down into the thigh.

What Are The Signs and Symptoms of Piriformis Trigger Points?

Trigger point pain in the piriformis can be relentless. It is almost impossible to find a comfortable position. When standing you will tend to shift your weight back and forth. When you are sitting you will tend squirm around looking for relief. Even lying down does not totally alleviate the discomfort.

Other signs and symptoms:

  • Low back pain at the base of the spine
  • Buttock pain
  • Hip pain around the hip joint
  • Aching pain, burning or tingling sensations down into the back of the thigh which occasionally extends into the lower leg and/or sole of the foot
  • Pelvic and groin pain
  • Walking is painful. You will tend to have a shortened stride
  • Difficulty or inability to cross your legs
  • Difficulty or inability to spreading leg(s) side to side
  • Difficulty or inability to step out widely when walking/running
  • Sitting for long periods of time increases pain
  • Lying down may help diminish pain but will not totally alleviate it

What Causes Trigger Points To Develop In The Piriformis Muscle?

  • Slipping on a slick surface and trying to stay on your feet
  • Sitting excessively
    • Tendency to sit with more weight on one hip
    • Sitting with leg tucked under the hips
  • Hip Injury
    • Hip Replacement
    • Hip Fracture
    • Hip Pointer
  • Twisting while lifting
  • Golfers are prone to piriformis muscle problems because of the twist of the body when swinging
  • Activities and sports requiring quick abrupt changes in directions
    • Tennis
    • Football
    • Soccer
    • Basketball
  • Ankle and foot injuries can affect the piriformis muscle because it affects how you walk ie. limping or shortened stride.
    • Sprained, broken, and dislocated ankle
    • Plantar Fasciitis
    • Heel spur
    • Achilles tendon injury

How To Avoid Development of Trigger Points In The Piriformis Muscle

  • Sitting for hours a day will cause the muscle to become short and tight. To prevent this make it a point to get up walk around and do some stretches. If you work at a desk consider a standing desk and alternate your sitting and standing time. While sitting make sure your weight is evenly distributed on your buttocks.
  • Twisting on a foot or at the waist when lifting. The item does not have to be heavy, it is the twisting motion with the added weight that puts stress on the muscle. Lift and secure the object before moving off to walk.
  • When walking on slick or icy surfaces wear rubber soled shoes to prevent slipping.
  • Limit sudden abrupt stops and quick changes in direction while playing sports or exercising. Warm up and do not push too far past your conditioning level.

Piriformis Trigger Point Treatment

Trigger points in the piriformis muscle are easy to self treat. The The Trigger Point Therapy Workbook is an excellent book to learn how to treat not only the piriformis muscle, but muscles throughout the body. It takes time and some patience to learn TrP therapy, but once you learn, you can treat trigger points throughout the body.
Note: If you are buying the workbook to treat piriformis pain you will need a small hard ball to use for treatment. The Kieba Massage Lacrosse Balls  are the right size and work very well.

If you decide not to go the self-treatment route, many massage therapists, physical therapists, and chiropractors are trained in trigger point therapy.  A trained therapist can show you how to find specific trigger points and to self-treat at home.

Trigger points respond best to several short treatments of 1-2 minutes throughout the day. Consistency is important for successful treatment.

TWD Suggestions For Piriformis Muscle Trigger Points

Sombra Warm Therapy Pain Relieving Gel is highly recommended for trigger point and chronic pain relief. It relaxes the muscles without the burning heat of other creams. (not sold in stores)

Biofreeze Pain Relieving Gel cools the area much like ice discouraging inflammation. Provides excellent pain relief between cold treatments. Recommended by medical professionals and trainers.

The Trigger Point Therapy Workbook is the best resource to learn how to treat and manage your TrP muscle pain. Learn the methods and have the knowledge to relieve muscle pain throughout the body.

If you are buying the Trigger Point Workbook to self-treat the hamstring muscles you will need a hardball for treatment. The Kieba Massage Lacrosse Balls are a good choice to use on the thighs and other areas of the body.

How Long Before I Feel A Reduction In Pain?

Piriformis trigger points can be stubborn and can take a few weeks to completely resolve. However, most begin feeling pain relieve after consistent treatment in just a few days. It is important that you continue self-treatment until the trigger point(s) are completely gone for successful treatment!

Other muscles that should be considered and examined in conjunction with the piriformis muscle:

Satellite trigger points associated with the piriformis muscle:

If you find trigger points in the piriformis it is likely you will find trigger points in some or all of these muscles:

  • Gluteus minimus
  • Obturator internus
  • Gemellus superior
  • Gemellus inferior

Interesting facts about the piriformis muscle:

  • If the muscle is shortened by trigger points or swollen due to injury or piriformis syndrome it can cause feelings of swelling in the buttocks, leg, calf, even the foot.
  • A chronically tight and shortened piriformis muscle can compress gluteal blood vessels and nerves  which may cause the buttocks to waste away.
  • Women are 6 times more prone to problems with piriformis muscle pain.

Piriformis muscle pain and symptoms can be similar to, contribute to, and be affected by these medical diagnoses:

  • Sacral nerve compression
  • Sacroiliac joint displacement
  • Sciatica
  • Hip pointer
  • Hip dislocation
  • Trochanteric bursitis
  • L4 or L5 radiculopathy
  • Intervertebral stenosis
  • Ankylosing Spondylitis
  • Deep vein thrombosis
  • Pelvic floor syndrome
  • Cauda equina syndrome
  • Injury of the ankle
  • Injury of the hip
  • Injury of the Achilles tendon
  • Plantar Fasciitis
  • Bone Spur in the heel
  • Tensor Fasciae Syndrome

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The sciatic nerve lies under the pirformis muscle.
The sciatic nerve lies under the pirformis muscle.

What is Piriformis Syndrome?

Piriformis syndrome develops when the sciatic nerve is irritated or compressed near the piriformis muscle. The pain is very similar to sciatic pain which causes pain in the low back, hip, and back of the thigh which can extend down the back of the lower leg and foot.

Some of the signs of piriformis syndrome are:

  • The pain may be a relentless ache but can be sharp with a feeling of electric shocks shooting through the affected area. Sensations of tingling and numbness are also experienced.
  • Limited range of motion (stiffness) in the hip and thigh.
  • Pain and symptoms increase on the affected side when weight (sitting) or pressure is applied to the hip and buttocks.
  • Muscles spasms in the hip and buttocks.
  • Pain often increases when walking.
  • Pain in the hip and buttocks when going up or down stairs.
  • Moving the legs apart vertically and horizontally causes symptoms to intensify.

What Causes Piriformis Syndrome?

Piriformis syndrome is usually caused by injury or an external cause. These include:

  • Injury to the hip or buttock area
  • Hip replacement surgery always affects the piriformis muscle
  • Prolonged sitting
  • Sitting on a wallet or other items in your back pocket
  • Sitting with majority of weight on one hip

Anatomical Causes of Piriformis Syndrome

The sciatic nerve normally lies under the piriformis muscle (label A in image) However, in approximately 15% of the population there are variations in the sciatic nerve and piriformis placement as diagrammed in labels B - E.  These deviations are rare and do not always cause piriformis symptoms and pain.

PiriformisAnatomy

Examples of piriformis and sciatic nerve placements. (A) is normal, the sciatic nerve lies under the piriformis muscle. (B) The tibial branch of the sciatic nerve passes through the lower part of the piriformis. (C) The tibial branch passing through the upper part of the piriformis. (D) The entire sciatic nerve passing through the piriformis. (E) The sciatic nerve exiting the greater sciatic foramen along the superior surface of the piriformis muscle. The nerve may also divide proximally, where the nerve or a division of the nerve may pass through the belly of the muscle. 1File:PiriformisAnatomy.png, https://www.physio-pedia.com/index.php?title=File:PiriformisAnatomy.png&oldid=86126

Other anatomical causes include abnormal spine alignment and a difference in leg length.

Piriformis Strain Treatments

The first step and the most important step is to stop stressing the muscle. This includes running, cycling, jumping, lunging, and any other exercises and activities that increase pain in the hip, buttocks and leg. You will also need to limit sitting time as sitting puts direct pressure on the piriformis. Alternate sitting and standing to keep your body weight off of the muscle.

If your symptoms are due to an injury such as falling use cold packs exclusively for the first 72 hours because cold will help reduce swelling of the muscle. After 72 hours begin alternating hot and cold treatments.

Alternating hot and cold packs through out the day can bring relief. Use a cold pack for 20 minutes, wait an hour and apply a warm pack for 20 minutes. You can do this as often as you like during the day.

TENS units are highly recommended by medical professionals for reducing pain and symptoms.  Follow insert directions for settings and node placement.

NSAIDS such as Aleve and Advil will help reduce pain and inflammation. Take as directed to help reduce pain.

Piriformis Stretches and Muscle Strengthening

When you are suffering from piriformis pain it is important to stop activities that cause symptoms to flair. Equally important is stretching and strengthening the muscle to relieve pressure on the surrounding tissues.

Doctor Jo is a physical therapist who has an excellent video of stretching and strengthening for the piriformis muscle. She demonstrates each exercise and explains the correct positioning during each exercise and stretch to ensure that you are targeting the muscle.

TWD Suggestions For Piriformis Syndrome

Fit Simplify Resistance Loop Exercise Bands are 5 bands of various resistance to help you stretch and strengthen the piriformis muscle. The bands include: instruction guide, an e-book and access to online videos.

Doctors and physical therapists often recommend TENS to relax the piriformis muscle and ease pain.The CUH Rechargeable TENS Unit Muscle Stimulatoris highly recommend and a great choice for treating piriformis syndrome and other muscle pain.

If you liked the video above and have or are buying a TENS unit, Doctor Jos' book Maximum Pain Relief with Your TENS Unit wrote a book to guide you to maximize your results using your TENS unit. Book will be out August 20!

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