Quadratus Femoris Injection

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Quadratus Femoris Injection
Indication	Ischiofemoral Impingement Syndrome

Technique

Ultrasound Guided

• Patient Position: Prone
• Ultrasound Technique: use an 8-4 MHz curvilinear probe in a transverse or axial plane
  • Start with ischial tuberosity as initial bony landmark
  • Identify hamstring origin in soft-tissue
  • Move transducer laterally to find lesser trochanter
  • Note gluteus maximus muscle overlaying bony structures
  • Visualize quadratus femoris muscle which lies below the sciatic nerve
  • Sciatic nerve usually near and lateral to hamstring tendon origin
• Needle Approach: lateral to medial, in-plane with transducer, both laterally and deep relative to sciatic nerve
  • Visualize needle tip and sciatic nerve in real time
  • Place needle tip in quadratus femoris muscle
• Needle Type: 3.5-inch (8.9 cm), 22-gauge spinal needle
• Injection Solution: 4 mL, containing 1 mL of triamcinolone and 3 mL of 1% lidocaine

Literature Review

Literature Review

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