Muscle group 4

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How many bones form the skull

22

the range of expressions the human body displays is created by how many muscles

30

in which facial bones do the upper teeth articulate?

Maxilla

Which cranial bones merge at the body's midline to form the sagittal sutture

Parietal

what is the anatomical term for the Adam's Apple?

Thyrod cartilage

The Brachial Plexus and subclavian artery pass trough a small gap between two muscles in the anterior lateral neck

anterior and middle scalenes

one head of sternocleidomastoid attaches to sternum__ where do the second head attach?

clavicular

which muscle is responsible for protraction of mandible

lateral pterygoid, medial pterygoid, masseter ( assist)

which movement of the mandible will lengthen the fibers of the medial pterygoid?

laterally deviation to the opposite side,

which muscle runs from the hyoid to the superior border of the scapula and is mostly inaccessible

omohyoid

what instruction could you give your partner to help you access the coronoid process

open her mouth fully

To locate the insertion of the temporalis you must ask your partner to perform what action?

open mouth wide

which muscle acts as a synergist with the left sternocleidomastoid during rotation of cervical spine to the right?

opposite side Trapezius anterior, middle and posterior scalene multifidi rotators

what movement of the mandible will lengthen the temporalis

retract the mandible

which movement will lengthen the middle scalene?

rotate the head and neck to the opposite side and flex

Before asking your supine partner to flex her neck to contract her sternocleidomastoid, how you position her head to make the contraction even more visible

rotate the head slightly to opposite side and then flex his neck

you might passively flex your partner's neck and ask him to breathe deeply into his upper chest when palpating which muscle tissue?

scalenes

The anterior triangle is created by the trachea, the base of the mandible and which muscle?

sternocleidomastoid

which bony landmark of the temporal bone is best explored with cuation

styloid

When palpating the mandible, in which area should I use extra sensitivity

submandibular fossa and neighboring glands and nerves

which active movement will help you locate the hyoid bone of your partner?

swallowing

Which muscles are located between the sternocleidomastoid and the anterior flap of the Trapezius?

the three scalenes ( anterior, middle and posterior)

When exploring the infrahyoids, one should stay in the superior half of these muscles to avoid irritating what structure?

thyroid gland

to discern the posterior scalene from the levator scapula, what action could you ask your partner to perform that would contract the levator but not the scalene

to elevate the scapula

which is the origin of the masseter

zygomatic arch


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