Any vocal coach or singing instructor worth their salt will emphasize the importance of vocal warm up exercises. Just like warming up your muscles before a physical exercise session, warm up exercises are vital to protecting the vocal chords and throat from undue wear and tear. But unlike most athletic trainers, your average vocal coach or singing instructor pays no attention to or is often unaware of the importance of vocal cool down exercises.
Any athlete or even casual exercise enthusiasts will tell you, you can do a great deal of physical exercise and then just walk away, but you face risking future injury and decreased muscle development without a proper cool down and stretch. The same is true of your vocal instrument. You need to go through a proper vocal cool down after any length of singing or vocalizing.
The mechanics involved during any increased level of singing or vocalizing are similar to those involved in physical exercise. In both instances, greater flows of blood are directed to the area being utilized for exercise, in this case the voice, throat, and larynx areas. Just as runners continue walking after a long run, singers and vocalists should perform a cool down after a session in order to bring blood levels down to normal in order to avoid damage to the vocal instrument.
To perform a vocal cool down, a good exercise is to try quiet lip or tongue trills up and down your range, or softly and quietly hum five-note descending scales in the middle of your range. Keep in mind that this is a vocal cool down, so you don’t need to go through all the exercises from the warm up session prior to singing or vocalizing. The idea is to bring things down from your peak performance level, just like bringing down your heart and breathing rate after a bout of physical exercise.
If your vocal coach or singing instructor doesn’t currently include, make sure you request to have this included in your regular lessons from now on. If not, don’t be afraid to make a change where your instructor/coach is involved. You must take every precaution necessary to protect your vocal instrument.

