BIOB33H3 Study Guide - Final Guide: Hyoid Bone, Zygomatic Arch, Zygomatic Bone
Document Summary
1. muscles of the head and neck: muscles of mastication. Elevates mandible and closes jaws, assists in protracting and retracting mandible and moving mandible side to side. Mastoid process of temporal bone close jaws, assists in retracting and moving mandible side to side. Elevates the mandible and closes the jaw, moves the mandible side to side. Flex the neck, bends the neck towards shoulder and turns face to the opposite side. Elevates larynx temporal bone: muscles of the vertebral column, back muscles, superficial layer: move the neck. Levator scapulae spinous process of the thoracic vertebrae. Spinous process of thoracic vertebrae and ribs 8-12. Elevates ribs, enlarges (superior) vertebrae c7-t3 ribs 2-5 thoracic cavity. Pulls ribs inferiorly, also pulls outward opposing the diaphragm: deep layer: interconnect the vertebrae and can be further subdivided into, superficial intrinsic. Spinous processes of the inferior cervical and superior thoracic vertebrae. Mastoid process of the temporal bone, occipital bone, cervical vertebrae.
