I should probably just take it easy?

Research has shown that if you want to get the most life out of a machine you must 1) keep it moving, 2)move it regularily, and 3)use it gently.
For example your car; if you want it to last longer than the manufacturers warranty then you must follow those three rules and you'll have pretty good results. This is true for our bodies as well... except for rule number 3.
A long term study on the wear and tear that the human body can endure has shown that we posess the unique ability to get stronger, more flexible, and more adaptive with more intense stimulation. What does this mean? Unlike machines that will break down faster if you push them too hard our bodies actually change nuerological pathways, shift metabolism, and adjust blood circulation to become more efficient to handle the load.
In our days of relaxation, meditation, and "just take it easy" showing up in every health plan we can't forget that our bodies are designed to move. While relaxtion is very important it comes secondary to our natural state of movement. So run up a flight of stairs, bolt around the block, chase your dog around the yard, or power walk to work because our bodies are meant to move!

~Think Vitality!~