Biggest Gym Mistakes People Do | Health and Fitness Tips | Guru Mann | Workout Tips May 2, 2016January 5, 2017 ctthebes Guru Mann – The certified fitness expert tells the biggest mistakes which people do while working out. Check out the health and fitness tips video by guru mann … Related Video Posts Advancing health and fitness tech at CES 2017 Easy Ways to Get In Shape 2017! Workout Ideas & Healthy Snacks! New Year, New Me! - Health & Fitness Goals Share on FacebookShare on TwitterShare on LinkedinShare on PinterestShare on Xing