Trigger Finger (Thumb)
Visit our website to learn more about using Nucleus content for patient engagement and content marketing: http://www.nucleushealth.com/ MEDICAL ANIMATION TRANSCRIPT: Your forearms contain flexor muscles that allow you to bend your fingers. Long cord-like structures called tendons connect these muscles to the bones in your fingers and thumb. A tunnel of tissue called a tendon sheath surrounds each tendon. This allows the tendon to glide smoothly as the fingers move. The sheath is held in place by bands of tissue called pulleys.