Calisthenics exercises integration in everyday brass practice can improve your playing.
What are Calisthenics
From Wikipedia, the definition of Calisthenics:
…a form of exercise consisting of a variety of exercises, often rhythmical movements, generally without using equipment or apparatus. They are intended to increase body strength and flexibility with movements such as bending, jumping, swinging, twisting or kicking, using only one’s body weight for resistance…
In Brass playing these exercises are added to regular practice routine, and generally will help improve general playing how so?