Carpal tunnel syndrome(CTS) is a painful condition of nerve compression at the wrist. Median nerve, is the nerve starting from the shoulder travelling to the hand, supplying muscles and the reason for sensation for thumb, index and middle fingers. While travelling through the wrist, it passes between tendons for fingers and a tight sheet of fascia above it.in this tight space, due to overactivity like a constantly flexed wrists or in extended position( like using keyboard or mouse) the nerve gets squeezed and the affected person gets pain, feeling of tingling and numbness on the 3 fingers. CTS may also be caused due to hypothyroidism, Rheumatoid arthritis, during pregnancy or after fractures at the wrist. It may progress to severe pain and numbness if not handled early. https://www.devadosshospitals.com/carpal-tunnel-syndrome/