India, July 22 -- When you are typing or writing for an extended period, one instinctive tendency may be to crack your tensed knuckles. It can feel as though it releases all the built-up tension in that area. The familiar popping sound also feels satisfying. But have you ever wondered what causes this sound? More importantly, is there any possibility that repeatedly cracking your knuckles could damage your joints?ALSO READ: Are women at a greater risk of bone loss as they age? Orthopaedic doctor reveals 3 key reasons

We asked Dr (Prof) Amite Pankaj Aggarwal, principal director and head of orthopaedics and joint replacement at Fortis Hospital, Shalimar Bagh, about this habit. He unpacked what causes the popping sound, whether cracking you...