Mesomorph Workout Plan - Day 1. Are you a mesomorph woman? Then, you are in luck. Mesomorph body type can make a drastic body transformation fairly easily thanks to the lean, athletic genes. To enhance your womanly curves and tone up the bottom for a slender, lean, defined body, follow this workout for 4-8 weeks along with the day 2 and day 3 plans (coming soon!).