When you say "making full use of my body", are you merely learning, as you say, "tricks", or are you also developing your muscles and body-senses (proprioception, balance) so that you can move yourself and other things as efficiently as possible?
Both, definitely. I do parkour regularly; I can reliably run (or walk backwards) on a 7cm wide beam, and am practicing rolls. I lift weights once per week and will move to twice weekly if I want substantially more arm strength than I have now. I also hike often. I have made large gains in physical fitness; as a kid I was always near the slowest of my peers, now I am one of the fastest runners in my laser tag club.
This is the fifth bimonthly What Are You Working On? thread. Previous threads are here. So here's the question:
What are you working on?
Here are some guidelines: