"Bodily injury" means substantial physical pain, illness or any impairment of physical condition;
"Strangle" means knowingly and willfully restricting another person's air intake or blood flow by the application of pressure on the neck or throat;
"Suffocate" means knowingly and willfully restricting the normal breathing or circulation of blood by blocking the nose or mouth of another; and
"Asphyxiate" means knowingly and willfully restricting the normal breathing or circulation of blood by the application of pressure on the chest or torso.
W. Va. Code § 61-2-9d