Facial Muscles and the uses of Botox
by Dr. Ramtin Kassir, M.D., F.A.C.S. | Jan. 24, 2019, 2:40 a.m.
Depressor Supercilii: (The Eye Muscle): For moving and lowering the eyebrow.Also, it is thought to assist in moving the glabella, which is the skin above the nose and between the eyebrows.
Procerus: ( Triangular muscle between the top and nose of the eyebrow). Its location allows it to pull the skin between the eyebrows down.
Nasalis: ( A muscle of the nose) It is responsible for "flaring" of the nostrils. Some people can use it to close the nostrils to prevent entry of water when underwater.
Orbicularis Oculi L: (A muscle in the face that closes the eyelids) It arises from the nasal part of the frontal bone.
Levator Labii Superioris :( Facial expression muscle) it is a facial muscle that helps lower the bottom lip.
Depressor Septi: (One of the three separate nasal muscles)The muscle emerges from out of the upper jaw’s incisive fossa, which is a bone opening in the front-center of the roof of the mouth.
Levator Anguli Oris: (The facial muscle that is associated with frowning)It originates from the mandible and inserts into the angle of the mouth.
Zygomaticus Minor & Zygomaticus Major : (The muscles of facial expression) It draws the upper lip backward, upward, and outward and is used in smiling.
Risorius: (Large facial muscle) it is located on the sides of the mouth and is responsible for creating facial expressions.
Masseter: (Large facial muscle) it plays a major role in the chewing of solid foods.
Orbicularis Oris: (A complex of muscles in the lips)It controls the movements of the mouth and lips.
Depressor Anguli Oris: ( Large facial expression muscle) Responsible for pulling the angle of the mouth downward, thus enabling a facial expression associated with frowning.
Mentalis R: ( Facial expression muscle ; the pouting muscle) Contraction causes wrinkling of the chin skin, used in expressions of doubt or displeasure.
Depressor Labii Inferior: ( Facial expression muscle)a four-sided facial muscle located in the jaw area that draws the lower lip down and to the side.
Sternothyroid: (Neck muscle) It works to depress the the voice box, which helps create sound.
Sternohyoid: ( Neck muscle) Due to its location, the muscle is useful for several functions, including depression (lowering) of the hyoid bone, head and neck movement, and speech.
Platysma L: ( band of tissue found in the chest, neck, and facial region) With the platysma muscle, an individual can slightly part the mouth and draw out the corners of the lips to the side and down. These movements are used when negative emotions like fear and fright are conveyed.