causes of tenosynovitis
What are causes and risk factors of de Quervain's tenosynovitis? De Quervain's tenosynovitis can be brought on by simple strain injury to the extensor pollicis longus and abductor pollicis tendons (tendinitis). Often this form of tendinitis is a result of repetitive motion injury. Typical causes of de Quervain's tenosynovitis include stresses such as lifting young children into car seats, lifting heavy grocery bags by the loops, and lifting gardening pots up and into place.