The idiomatic expression "keep someone in tip-top shape" means to maintain or preserve a person's physical fitness, health and wellbeing at an optimal level. Full definition
A well balanced and colorful assortment of veggies will provide you with iron, vitamins, minerals, antioxidants, and fuel that will keep you in tip top shape throughout the day. (veganosity.com)
We only get one vessel to live all of our days in so why not keep it in tip top shape? (truenorthyoga.net)
Older women in particular want to keep themselves in tip top shape by spending an hour or two in the gym a few days a week. (topcougarsdatingsites.com)