This excellent article by Lindsey Richelle Gore addresses the subject of correct use of the body providing physical relief for members of marching bands.
In my experiences as a clinician with marching bands, I have noticed other huge bonuses of correct use (or even improved use!):
- Good body mapping results in economy of motion for more precise and better unified movements-It looks sharp!
- Good body balance allows for better breathing and air efficiency, resulting in better tone and intonation
- Morale of the ensemble quickly rises due to the noticeable improvement