Pace Maneuver | Piriformis Syndrome | Deep Gluteal Syndrome of the Hip
Deep gluteal syndrome, abbreviated as DGS is defined as pain in the buttock area caused by a non-discogenic entrapment of the sciatic nerve in the subgluteal space.
The structures that can be involved in sciatic nerve entrapment are not only the piriformis but also fibrous bands containing blood vessels, gluteal muscles, hamstring muscles, the gemelli-obturator internus complex, vascular abnormalities and space-occupying lesions. For this reason, the term “deep gluteal syndrome” instead of “pirformis syndrome” is now preferred.
Commonly reported symptoms include hip or buttock pain and tenderness in the gluteal and retro-trochanteric region. The pain is often described to be sciatica-like, often unilateral and exacerbated with rotation of the hip in flexion and knee extension. Other symptoms include intolerance of sitting for more than 20 to 30 minutes, limping, disturbed or loss of sensation in the affected extremity and pain at night getting better during the day.
No diagnostic studies have been done on the Pace maneuver yet, which is why we give it a questionable clinical value in practice.
Before you conduct the test, make sure you have examined and excluded more prevalent pathologies in the lumbar spine and SI joint that could explain the patient’s symptoms. To perform the test as shown in the study of Fishman, have the patient lie on the unaffected side with his upper hip flexed to 90 degrees, maximal adduction and the upper knee flexed to 90 degrees. While both acetabula are kept vertical apply upward and lateral pressure to the shin while passively rotating the hip internally to 45 degrees or as near as the patient can tolerate.
This test is positive if the patient reports pain at the intersection of the sciatic nerve and the piriformis.
Other common tests to assess for deep gluteal syndrome are:
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