I’m unsure if there are any personal trainers on this forum who would be qualified to answer this question, but I figured I’d ask just in case. I am pursuing a career as an opera singer, and contrary to what some might think, it’s quite a physically demanding profession, and I would like to design in essence, a sports-specific training regimen for singing.
I know that to the layman, the first image you get in your head is Pavarotti tipping the scales at 400 pounds, but at his worst he could barely move through staging while singing, and had to sit through most of his performances. Not exactly ideal. Going through 2 or 3 hours (maybe even 5 or 6 depending on the work) of moving on stage, and singing is indeed physically taxing. Properly supporting the voice so as to project over a full orchestra for hours requires a great deal of strength as well as endurance, and effecient use of oxygen. Singing a 20 second phrase does the same for your oxygen as holding your breath for 20 seconds, and extend that throughout hours of physical activity, and you may begin to understand why many consider professional singers ‘vocal athletes’.
Ideally someone to aid me in this effort would have physical experience with the craft, just as you’d want someone who played soccer to train a soccer player. However, finding a well qualified personal trainer who has studied voice on a professional level is difficult, so I’ll try to describe singing in the most physiological way I can, to at least give you an idea. Proper posture and alignment without any tension is critical, and from that base, a strong low breath must be taken, expanding the ribcage, and even into the back or pelvic floor if possible. The primary inspiratory muscle, the diaphragm, is of utmost importance in this process, but internal and external intercostal muscles also take part.
After the breath is taken, the vocal folds (located behind the adam’s apple roughly) adduct, and the expiration of air causes them to vibrate, creating pitch. Though muscles of the larnyx do take part in singing, hypertension or uneven hypertrophy of strap muscles attached to the larynx can have disastrous results. Expiration of air is the relaxation of the diaphragm, and in normal life, it has no real synergists. In strenuous activity however, core muscles aid. In singing, the synergistic relationship and the similarity between the muscles of inspiration and expiration is critically important. Singers talk of ‘supporting’ the voice, and physiologically, that is creating the vector force responsible for effecient subglottal pressure by the expiratory muscles.
Essentially, a singer is an athlete who requires graceful subtle movement without tension much like a dancer or gymnast, effecient oxygen usage, and for whom the primary physical effort is breathing of a very specialized sort, and for whom endurance is critical.
I’ve been longwinded, but to understand the physical effort of singing is difficult to appreciate if one has not actually undertaken study, so I’ve tried to give some kind of an idea. If anyone has any input, it would be most welcome.