If you are interested in any physical exercises, just make sure that you add to them a devotion that is part of the Roman Catholic Church, and it is greatly recommended to attend the Blessed Sacrament a dedicate all your physical activity to God the Father Yave, you can also and additionally attend mass, and dedicate Holy Communion to your devotion to God the Father Yave and connect it to physical exercise.
2. How to maintain a routine?
It is easy to try and maintain a routine and find challenges to keep it, as using exercise as a devotion to God the Father Yave provides a lot of strength, so if you find your self not being consistent, the best way to aproach it is to continue to strive to do any form of exercise througouht the day, and do at least a mental note to God The Father Yave of your exerise routine that day.
How to share the joy of exercising for God the Father Yave with others, and apologetics.
With ritualistic and religious exercising such as Yoga or other forms of dedications to other belief systems or traditions, it is best to choose your Catholic Traditional values and follow the rules of the Catechism of the Catholic Church, provided that the exercises are purely physical.
Sharing with Others:
When sharing with others, think that this is a creative devotional way of exercising especially dedicated to the Father, the First person of the Holy Trinity.