Originally posted by: CPA
I was taught the exact opposite, especially in band. Breathe with your chest (use your diaphram) not your stomach.
I think you're confusing what it means to breathe with your diaphragm.
Breathing where ONLY your chest rises, notably your upper chest, is a very easy breathing method, but doesn't work very well for gas exchange. Also, over time can strain your back muscles. I've noticed this big time.
Breathing with only moving your stomach is also wrong. But also extremely hard to do, especially if you are doing, well, anything, other than lying on your back.
The correct diaphragm technique will actually see your stomach move very noticeably, but your lower chest will also rise and fall.
You may very well be doing that, but if your stomach isn't moving, you are focusing too much with your chest, which means you are utilizing your diaphragm less than you can be.
Especially in band, I'd imagine proper diaphragm breathing techniques would be crucial, as that helps pull air in like a vacuum, and push it out like.. a reverse vacuum. Very efficiently at that.
