Save your energy for your training sessions for goodness sake. Your physiology is highly adaptable, so why train it to warm up before it performs, instead of training it to perform right from the beginning, and by that I mean from the very first set. Not only is this possible, it's more efficient, and immediately improves training performance. For most who read this, hopefully it's not your trainer, will think this is untrue, but it's not.
You can test this not so abundant fact for yourself however before you do, take heed. If you're like most who warm up before they start their working sets, I strongly urge you to not attempt going from warming up, to NOT warming up, as this is a sure way of getting injured. Remember, your physiology is highly adaptive, so you have to retrain your body specifically for what you want.
There's a proper way to go about this process. In order for your body to be ready to perform at full power in your first set you must train it by gradually warming up less an less until your body has adapted to the first set as its working set, which will take approximately three weeks. You'll be amazed how this small but huge adjustment will change how your body responds to training.
Interestingly, I discovered this golden nugget of information from first hand experience while in Bulgaria on one of my trips attending a hush hush symposium for a small group of us that were hand selected to garner knowledge from Olympic coaches and sports doctors where they revealed revolutionary training methodologies.The information I walked away with at that time was eight years ahead of its time 20 years ago, and is still relevant to this day. Knowledge is power. Stay hungry, because you never know when you're going to discover a timeless jewel.
Stay tuned for more truth talking...
Best, The Truth Talker (Leo Costa Jr)