Muscles of the Head and Neck Flashcards
Proximal Attachment of Temporalis
Temporal Fossa of Skull
Distal Attachment of Temporalis
Coronoid Process of Mandible
Action of Temporalis
Elevates and Retracts Mandible
Proximal Attachment of Frontalis
Cranial Aponeurosis
Distal Attachment of Frontalis
Skin of Forehead
Action of Frontalis
Raises eyebrows and skin of forehead
Proximal Attachment of Masseter
Zygomatic Arch
Distal Attachment of Masseter
Ramus of Mandible
Action of Masseter
Elevates Mandible
Proximal Attachment of Sternocleidomastoid
Medial portion of clavical/top of sternum
Distal Attachment of Sternoclidomastoid
Mastoid process of skull
Action of Sternocleidomastoid (Unilateral contraction)
Contralateral rotation of cervical, ipsilateral cervical flexion
Action of Sternocliedomastoid (Bilateral contraction)
Cervical flexion, elevation of sternum and assists in forced inhalation
Proximal Attachment of Splenius Capitus
Spinous processes of vertebrae C7-T3, nuchal ligament
Distal Attachment of Splenius Capitus
Lateral superior nuchal line of occipital bone, mastoid process of temporal bone
Process
Any projection or bump on a bone
Ramus
An extension of a bone making an angle to the rest of the structure
Trochanter
A large, rough projection of bone
Tuberosity
A Rough projection of bone
Tubercle
A small, rounded projection of bone
Crest
A prominent ridge of bone
Line
A low ridge of bone
Spine
A pointed process
Head
The expanded, articular head of an epiphysis
Neck
The narrower connection between the epiphysis and diaphysis
Condyle
A smooth, rounded, articular process
Trochlea
A smooth, grooved, articular process shaped like a pulley
Facet
A small, flat articular surface