The app "miRutina" is a basic guide to muscle exercises and training routines, in Spanish, aimed at athletes who begin to practice bodybuilding and fitness. Characteristics: The application currently consists of the following sections: • Exercises Detailed information on the implementation of various muscle exercises divided by muscle groups. • Aerobics Information on the most common exercises in aerobic activity. • Stretches Stretch out! Stretching exercises of the upper and lower limbs