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Question
posterior muscles (figure 6.18, p. 200)
trapezius
the trapezius (trah - pe - zee - us) muscles are the most superficial muscles of the (1. ) neck and upper trunk. when seen together, they form a diamond - or kite - shaped muscle mass. their origin is very broad. each muscle runs from the occipital bone of the skull down the (2. ) column to the end of the thoracic vertebrae. they then flare laterally to insert on the (3. ) spine and clavicle. the trapezius muscles extend the head (thus they are antagonists of the sternocleidomastoids). they also can elevate, depress, adduct, and stabilize the scapula.
latissimus dorsi
the latissimus (lah - tis - i - mus) dorsi muscles are the two large, flat muscles that cover the lower back. they originate on the lower spine and (4. ) and then sweep superiorly to insert into the proximal end of the humerus. each latissimus dorsi extends and adducts the humerus. these are very important muscles when the arm must be brought down in a (5. ) stroke, as when swimming or striking a blow.
- posterior 2. vertebral 3. scapular 4. ilium 5. power
- power 2. posterior 3. vertebral 4. scapular 5. ilium
- scapular 2. ilium 3. power 4. posterior 5. vertebral
- ilium 2. power 3. posterior 4. vertebral 5. scapular
- vertebral 2. scapular 3. ilium 4. power 5. posterior
The trapezius muscles are superficial in the posterior neck and upper trunk, originate from the occipital bone down the vertebral column and insert on the scapular spine and clavicle. The latissimus dorsi originate on the lower spine and ilium and are important in power - strokes.
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- posterior
- vertebral
- scapular
- ilium
- power