31.   --Young brass-instrument musicians who feel weakness in their facial muscles may owe it to more than overexertion.

32.   Along with our facial muscles, eyes can convey approval or disapproval.

33.   He glares at the pitcher, almost squinting as his facial muscles tense.

34.   In a cosmetic treatment, a doctor injects Botox into the facial muscles that cause wrinkling.

35.   These days, however, their employers - hotel and resort operators - are finding it increasingly difficult to stretch those facial muscles.

36.   She will have to perform facial exercises in front of a mirror to ensure the facial muscles gain strength.