There’s a pause before every exercise that most people rush through - the moment after you’ve set up, after the teacher has given the cue, before the body actually moves. Most students fill it with anticipation or anxiety, already mentally executing the thing before the thing has started. I used to do the same.
I started paying attention to that pause because of the Reformer footwork. It’s the opening of almost every Reformer session: feet on the bar, springs loaded, nothing complicated about the task. But I noticed I was already pushing before I’d actually arrived in my body. My legs would go, but my attention was somewhere behind me, still walking in from the parking lot, still finishing a thought from the drive over. The carriage moved. I was not quite in it.
Joseph Pilates called concentration one of his foundational principles - not as a general attitude of trying harder, but as a specific, directed act. Every movement begins in the mind before it reaches the muscle. That’s not poetic language. It’s a description of how motor control actually works. If the mind hasn’t shown up yet, something else is running the pattern.

What I Do Now
I take one breath before I begin any exercise. Not a preparatory breath in the clinical sense - just a breath where I’m not doing anything else. Not positioning, not anticipating, not reviewing the cue. Just a breath where I let my attention land in my body the way you’d put a book down on a table before picking up something else.
It costs about two seconds.
What it returns is presence at the start of the movement rather than somewhere in the middle of it - which is the only place the work is actually happening anyway.