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Fitness fanatic sets record for most knuckle push-ups in one minute
This is the impressive moment a fitness enthusiast set a record for the most knuckle push-ups in one minute. Kuwar Amritbir Singh Tatla, 21, achieved the Guinness World Record for the most decline ...
Is It Bad to Crack Your Knuckles? Doctors Weigh In
Many of us have heard that cracking your knuckles is bad for you, and can even increase your chances of developing arthritis ...