Muscles of the Face and Neck HAP Dec 2014 CHB
Note the names: Origin to insertion(s) eg. Sternocledomastoid O = Sternum I = Cledal notch and Mastoid Process Or some unique aspect: eg. Digastric – 2 bodies which help in chewing (digestive system). Or Action: eg. Levator scapulae – raises the scapula
Neck Muscles – Lateral View
Muscles of the throat
Muscles of the Face
Muscles of the lower face.
Smile Muscle!
Sites for Botox Injection
A. Frontalis muscle: contraction raises the eyebrows and causes horizontal brow wrinkles. Injection of Botox or Dysport will reduce the wrinkles but—depending on the dose and exact locations of the injections—may weaken the brow enough to cause annoyance when putting on eye makeup. B. Corrugator muscle: contraction moves the inner eyebrows down and in, causing vertical lines between the eyes (the so-called 11’s). Injection will reduce the wrinkles and may raise the inner aspect of the brows. C. Orbicularlis oculi muscle: contraction causes squinting, which moves the outer eyebrows down, creating crows’ feet wrinkles. Injection with Botox or Dysport will reduce the wrinkles and may raise the outer aspect of the brows.
Muscles you are responsible for: Sternocleidomastoid Orbicularis oris O. oculi Zygomaticus Platysma Risorius Trapezius Masseter Procerus Nasalis Pterygoid Digastric Geniohyoid Stylohoid Omohyoid Splenius Longissimus Deltoid Infraspinatus Teres major Triceps branchii Rhomboid Serratus Latissimus dorsi