most tinnitus is primary tinnitus where no cause can be identified aside from hearing loss secondary tinnitus is associated with a specific underlying cause that may be treatable your doctor will help you distinguish whether your tinnitus is primary or secondary
voluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.oluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.
Skeletal muscles are also called voluntary muscles because, unlike the other two types of muscle in the body, smooth muscle and cardiac muscle, they are under conscious control. The most important and unique feature about muscle tissue is that it is able to contract (shorten) when stimulated by nerve impulses.