Regenerative medicine, including Platelet-Rich Plasma (PRP) and stem cell injections, can provide a non-surgical repair option for Ischiofemoral Impingement.
Generally doctors will try nonsurgical treatments first such as physical therapy and medication to help manage pain and enhance mobility. However, if hip impingement syndrome leads to significant discomfort that makes daily activities challenging, doctors might suggest surgery.
Ischiofemoral impingement syndrome may be diagnosed when pain in the buttocks is thought to come from compression and narrowing in the space between the ischial tuberosity and the trochanters. Additionally there can be swelling of the quadratus femoris muscle. It is more common in people over 50, and it might play a bigger role in the degenerative process.
Understanding Ischiofemoral impingement syndrome – the diagnosis
Ischiofemoral impingement syndrome may be considered when diagnosing gluteal pain, a pain that travels down the back or inner thigh, and any snapping or locking sensations in the hip joint. A thorough physical exam is needed to confirm a diagnosis. The exam should provoke symptoms during passive extension, adduction, and external rotation. Some doctors may order an MRI.
Although it’s commonly linked to hip pain, Ischiofemoral impingement syndrome’s association with groin pain is somewhat debated. A September 2025 study (1) assessed the connection between Ischiofemoral impingement syndrome and groin pain. In this research, 568 hips from 284 patients who underwent pelvic MRI scans between January and September 2024 were analyzed. The patients were categorized into groups based on whether they reported groin pain. Among the 568 hips, 23 (4%) experienced groin pain, and swelling of the quadratus femoris muscle was observed in 19 of these cases (82.6%). Furthermore, quadratus femoris edema was detected in 116 of the 568 hips (20.4%). The measurements for both the ischiofemoral space and the quadratus femoris space were significantly reduced in patients with quadratus femoris edema. Therefore, ischiofemoral impingement syndrome should be considered when diagnosing unexplained groin pain.
The majority of sciatica cases result from the compression of lumbar nerve roots; however, some cases arise from extraradicular structures, such as ischiofemoral impingement syndrome. Given the close anatomical connection between the quadratus femoris muscle and the sciatic nerve, localized irritation may lead to symptoms of sciatica.
A December 2025 paper (2) discusses the case of a 64-year-old male patient who has experienced right-sided sciatic pain for 10 years, which occurs exclusively while seated. He has undergone multiple lumbar surgeries for spinal stenosis (initially at L4-L5, followed by L3-L4, and subsequently L5-S1 with fusion to S1), in addition to several infiltrations and pulsed radiofrequency treatments, all without any improvement. Neurophysiological assessments and imaging studies revealed no significant compression, apart from edema observed at the ischial insertion of the quadratus femoris muscle. A diagnostic local anaesthetic infiltration provided temporary relief from the pain, thereby confirming the diagnosis of ischiofemoral impingement syndrome.
References
1 Ozenbas C, Engin D, Altinok T. An overlooked cause of groin pain: Ischiofemoral impingement syndrome. Journal of back and musculoskeletal rehabilitation.:10538127251325843.
2 Barriga-Martín A, Paredes-Muñóz O, Peral-Alarma M, Romero-Muñóz LM, Guimbard-Pérez JH. Failed back syndrome or extra-spinal sciatica? Ischiofemoral syndrome as a cause of persistent radicular pain after 4 lumbar spine surgeries. Neurocirugia. 2025 Dec 5:500737-.