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Myology 1
Muscles of the Head and Face
Question | Answer |
---|---|
Naming of mm | direction of mm fibers, location, size, number or origins, shape, origin and insertion, action |
devided into 3 groups | mm of the scalp, mm of the face(eyes, nose, mouth), mm of mastication |
mm of head overview | located superficially in the fascia and therefore move the fascia of the scalp and/or face |
muscles of the scalp | move scalp, ears, eyebrows |
mm of facial expression | move skin around eyes,skin around nose, skin around mouth |
mm of mastication | attach to mandible and sphenoid which is necessary for chewing (mastication) |
mm of head innervation | scalp mm=facial nn CNVII, facial expression mm=facial nn CNVII, mastication (chewing and taste)mm=trigeminal nn CNV |
CNVI | optic, sensory |
CNVII | facial nn |
CNVIII | motor, jaw |
number of cranial nn | 12 |
3 mm of scalp | occipito fronatlis, temporoparientalis, auriculares |
define occipitalis | can be considered 2 seperate mm, both attach to galea aponeurotica |
galea aponeurotica | epicranial aponeurosis, broad flat tendon attached to occipitalis and frontalis, superficial to mm |