Piriformis syndrome

Background

• Irritation of the sciatic nerve from the piriformis muscle

Clinical Features

• Pain in area of buttocks and hamstring muscles
• Worsened by sitting, climbing stairs, or squatting

Diagnosis

• May have palpable, tender mass over piriformis muscle
• Hip flexion, passive internal rotation exacerbates pain

Treatment

• Conservative

Source

• Tintinalli