The best way to prepare for any moment in the future is to be fully conscious in the present.
Trust that you are connected to your being, which knows what to do at all times.
Expectations determine outcome, always!
We must revisit the idea that science is a methodology and not an ontology.
If the most you can do right now is walk around the block, then do that, and you will be surprised how quickly you increase your endurance and enthusiasm for moving and breathing.
The subtler one's awareness, the more powerfully it can heal.