Kinesiology 2222A/B Study Guide - Quiz Guide: Medial Pterygoid Muscle, Trigeminal Nerve, Vagus Nerve
17 Mar 2016
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Tells you what compartment the muscle is in. Once you know the compartments, you know the innervation. Ex. biceps muscle is in the anterior compartment of the arm and is innervated by the muscular cutaneous nerve (compartments are innervated by the same nerve) Muscle function: facial muscles, with this group of muscles, the insertion points are on the skin because they move the skin, all of these facial muscles are innervated by the facial nerve (7, occipitofrontalis. Has two bellies (frontal and occipital bellies) and the tendon in the center is known as the epocranius allows you to move your eyebrows up and down. Collectively these muscles raise and depress the eyebrows: orbicularis oculi. Function: allows you to blink/wink using its sphincter: zygomaticus major and minor. Attaches to the corner of the mouth. Function: allows you to smile: orbicularis oris. Function: allows you to kiss: risorius.
