Snapping Hip Syndrome

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Classification

External Snapping Hip

Either the iliotibial band, anterior fibres of gluteus maximus, the tensor fascia lata, or a combination snap over the greater trochanter. Often the fibres are thickened and there may be associated bursitis. There may be an imbalance between activation of the gluteus maximus and tensor fascia lata. The snapping is produced by a combination of flexion, abduction, and external rotation.

Internal Snapping Hip

Iliopsoas implicated as it snaps over the iliopectineal eminence, femoral head, or lesser trochanter. Snapping occurs from flexion to extension.

Differential Diagnosis

A variety of disorders can create the sensation of snapping

  • Tendon Snapping, Coxa Saltans
  • Hip Intraarticular Bodies
  • Hip Labral Tear
  • Synovial Chondromatosis
  • Osteochondroma
  • Cartilage Abnormalities (Flap)
  • Ligamentum Teres Tear
  • Ischiofemoral Impingement
  • Proximal Hamstring Origin
  • Hip Osteonecrosis

Investigations

As a dynamic disorder the best imaging modality is ultrasound.

Resources

Pathogenesis and contemporary diagnoses for lateral hip pain - Kumar 2020.pdf
Review on the causes of lateral hip pain

References

Literature Review