How to get fit? Nowadays, more people aim to get fit to improve health, both physical and psychological, gain strength, and keep their body fit. At the same time, a part of this group report having difficulties to reach these goals. So, how to get fit? The first step is the hardest one. It is necessary having enough motivation and meaningful goals to keep on track. Thus, the first recommendation is to have inspiring and strong reasons to get fit. The second step is establishing a routine of eating right along with a cardio and strength exercises program when the help of a nutritionist and a personal trainer can lead to better results. Eating right means cutting high caloric food while reducing from 10 to 30 percent the total diary calorie intake. An extreme calorie reduction can be harmful by lowering the body metabolism and should be avoided. A cardio exercise program can be maximized with the ‘High-Intensity Interval Training’. This program intercalates high-speed exercises when the hearth frequency reaches the maximum recommended, followed by 1 to 2 minutes of jogging for about 30 minutes, at least 3 times a week. And last, the strength exercises program consists in using the main muscles groups up to its strength capacity, lifting weight or the own body weight, during sessions of 30 minutes, at least 2 days a week.