用voluntary muscle造句子，“voluntary muscle”造句

Myotonia: Disorder causing difficulty relaxing contracted voluntary muscles.

Inflammation of a muscle, especially a voluntary muscle, characterized by pain, tenderness, and sometimes spasm in the affected area.

Smooth muscle can not be controlled by the will, it is also called involuntary muscle.

Tetanus is a disease charaterized by uncontrollable spasms of voluntary muscles.