Posture
The term "posture" refers to the way the body is held (e.g., straight, slumped, etc) and its position when sitting or standing. For playing wind instruments, it is best to stand rather than sit, as this allows the most open and unrestricted passage of air for both breathing and sustaining notes. If you are playing in a big band, you may have to sit. In this situation, it is essential to sit up straight but relaxed, as this will produce the best sound.
If you think of a situation where a trumpet player is performing with a band, it would look fairly dull if all the players stood straight in the one position all the time. Movement is a large part of any stage show. This means it is not always possible to maintain perfect posture.
However, it is possible to keep the pathway from the diaphragm to the mouth open, flexible and relaxed most of the time, which means it is still possible to play and breathe comfortably while moving around. Relaxation and flexibility are keys to good posture regardless of standing or sitting position.
Incorrect
The spine is not straight and the head and pelvis both tilt forward. In this position, it is not possible to move freely or produce the best sound.
Correct
The spine is comfortably straight and in line with the head, legs and pelvis. This position keeps the airways open and makes movement easy and comfortable.
