The diaphragm is a sheet of internal skeletal muscle that extends across the bottom of the rib cage.

learn more… | top users | synonyms

7
votes
3answers
2k views

what muscles are involved in singing, and does toning them improve singing?

I read a Fantastic answer on "How to have a penetrating voice?" talking about how air is pushed up from the lungs using the muscles around them. In my naive head that makes me think strengthening ...