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Muscle, Head & Neck, and Back
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What type of muscle fiber is the slowest to fatigue and stores oxygen?
slow oxidative
Where is cardiac muscle found in the body?
myocardium
How many nuclei are found in a cardiac muscle cell?
one
What do the smallest units of skeletal muscle form when added together?
myofibrils
What is the most inferior of the muscles that pull the upper lip superiorly?
zygomaticus major
What muscle of facial expression pulls the upper lip superiorly and exposes the upper teeth?
zygomaticus minor
What axial muscle is superior to the mental region?
orbicularis oris
What is the action when only the muscles on one side of the posterior neck contract?
the head rotates to the same side
What is the insertion of the most superior/medial muscle of mastication?
coronoid process of the mandible
What is the most lateral group in the erector spinae group?
iliocostalis group
What bones form the right squamous suture?
right parietal and right temporal bones
What is found is between the two large bony structures on the proximal area/anterior view of the bone of the brachium?
intertubercular sulcus of the humerus
What does the superior articulating surface of the posterior bone of the pectoral girdle articulate with? Be as specific as possible.
acromial end of the clavicle
What is the name of a tendon that has a sheet-like arrangement?
aponeurosis
What muscle tissue is non-striated?
smooth muscle tissue
What is the name of the dense irregular connective tissue sheath that surrounds a skeletal muscle fascicle?
perimysium
What muscle fiber does not store oxygen?
fast glycolytic
What muscle is medial to the most inferior of the muscles of mastication?
buccinator
What is an action of the axial muscle that forms the cheek?
moves food medially between the molars
What muscle of mastication inserts on the mastoid process of the temporal bone?
none
What is the most superficial muscle of the lower to middle back?
latissimus dorsi
What bones form the right squamous suture?
right parietal and right temporal bones
Starting from the lateral border, what is the second carpal bone in the proximal row?
lunate
What carpal bone cannot be seen from the posterior view?
pisiform
What do we call muscles that oppose the actions of a prime mover?
antagonists
What muscle fiber contains some myoglobin but is not the slowest to fatigue?
fast oxidative
What is the most inferior muscle that pulls the lower lip and, to some extent, the mandible, inferiorly?
platysma
What is the most inferior section of the sternum?
xiphoid process of the sternum
What is the most inferior/anterior structure of the os coxae where muscles attach?
pubic tubercle of the pubis
What is the most inferior/posterior structure of the os coxae?
ischial tuberosity of the ischium
What muscle fibers are fastest to fatigue?
fast glycolytic
What is the union between cardiac muscle cells called?
intercalated disc
What protein in muscle fibers saves oxygen?
myoglobin
When a skeletal muscle crosses a joint, the bone that moves the least is called what?
origin
What muscle is inferior to the superior/anterior of the axial muscles?
orbicularis oculi
What paranasal sinus is found in a facial bone?
maxillary sinus
What is found running the length of the shaft in the posterior view of the bone of the thigh?
linea aspera of the femur
What is the structure that is proximal/anterior/midline and is inferior to the articulating structures of the medial bone of the leg?
tibial tuberosity of the tibia
In naming a muscle, what is the term that indicates that the muscle fibers are arranged in a circular fashion?
orbicularis
What structure is inferior/medial to the neck of the lateral bone of the antebrachium?
radial tuberosity of the radius