Piriformis Syndrome is a common injury that we treat at Austin Family and Sports Chiropractic. It is defined as Sciatic neuritis due to piriformis contracture or spasm leading to mechanical and/or chemical irritation to the nociceptors resulting in pain and numbness in the distribution of the sciatic nerve.Etiology
- Predisposing factors
 - 1. Anomalous sciatic nerve
 - 2. Tight External rotators
 
3. Neurologic injury to L5 and S1
Injury
- Trauma to the gluteals --> fibrosis & adhesions
 - Prolonged sitting [wallet]
 
Neurological insult to L5-S1
- Radiculitis --> atrophy of the piriformis
 - Facet syndrome --> reflex spasm of the piriformis
 
Overuse and/or biomechanical fault
- Fatigue or strain of piriformis muscle
 - Leg length asymmetry
 
Signs and Symptoms:
What you may observe
- Foot flare, esp unilaterally on the involved side[due to piriformis tightness]
 - Overpronation
 - Palpation
 - Palpation of Piriformis recreates symptoms
 - May have low back pain
 
Range of Motion
- Decreased active & passive internal rotation of hip which may reproduce symptoms
 - Decreased active & passive adduction - may reproduce symptoms
 - Tight hamstrings
 - Weak lateral hip rotators
 
To schedule an appointment with Dr. Laurie at Austin Family and Sports Chriopractic, call us today at 512-258-4425. Visit our website at http://www.austinfamilyandsportschiropractic.com/.

