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| Question | Answer | ||
|---|---|---|---|
| How many bones form the skull | 22 | ||
| What type of joints connect the cranial bones | Fibrous | ||
| Which bones is located at the posterior and inferior aspects of the mandible | Occiput | ||
| Which landmark located at the center of the occiput serves as an attachment site for the ligamentum nuchae | External occipital protuberance | ||
| What bones for the saggital sutures | Parietal | ||
| Mastoid process and zygomatic arch are landmarks on what bone | Temporal | ||
| Origin of lavator scapula | TP of 1st-4th cervical vertebrae | ||
| Insertion of lavator scapula | Medial border of scapula between superior angle and portion of the spine of the scapula | ||
| Lavator scapula action | Elevate scapula | ||
| What do you do to feel the lavator scapula contract | Elevate scapula | ||
| Bilateral contraction of the upper fibers of the trapezius preform what acrion | Lateral flexion | ||
| Action of the trapezius | Upwardly rotate scapula | ||
| Origin of trapezius | External occipital protuberance &medial portion of the superior nuchal line of occiput | ||
| What is the insertion of the trap | Lateral 1/3 of calvical,acromion & spine of scapula | ||
| What do you do to feel the fibers of the trap contract | Bring shoulder off the table | ||
| Origin of SCM | Top of the mandibrium, medial 1/3 of clavicle | ||
| Insertion of the SCM | Mastoid process of temporal bone | ||
| Action of anterior scalene | Flex the head and neck | ||
| Origin of middle scalene | TP of 2nd-7th cervical vertebrae | ||
| Insertion of middle scalene | First rib | ||
| Action of middle scalene | Rotate the head and neck to opposite side | ||
| Origin of posterior scalene | TP of 6th-7th cervical vertebrae | ||
| Insertion of posterior scalene | Second rib | ||
| Action of posterior scalene | Laterally flex head and neck to same side | ||
| Origin of masseter | Zygomatic arch | ||
| Insertion of mandible |