Asian Pain Academy

What Is Flexor Hallucis Longus Tenosynovitis? Flexor Hallucis Longus Tenosynovitis is an inflammatory condition involving the tendon sheath of the flexor hallucis longus (FHL) tendon. It can present with pain around the posteromedial ankle and may be associated with repetitive loading, overuse, sports activities, trauma, or other ankle and foot pathology. Because several important tendons, nerves and vessels pass through the medial ankle, accurately identifying the pain-gener