MCPHS ANATOMY AND PHYSIOLOGY EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
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Course
MCPHS
Institution
MCPHS
MCPHS ANATOMY AND PHYSIOLOGY EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
The Origin
point of attachment that does not move when the muscle contracts
The insertion
the point of attachment of a muscle to the part that it moves
Fascicle arrangement
circular, con...
weight is between the fulcrum and the pull (wheelbarrow)
Class III lever system
Most common in body, pull is between fulcrum and weight (person using shovel)
, Posterior muscles of the neck
longissimus capitis, oblique capitis superior, rectus capitis posterior, semispinalis capitis, splenius capitis,
trapezius
longissimus capitis
insertion: mastoid process
function: extends, rotates, and laterally flexes neck
oblique capitis superior
insertion: occipital bone
function: extends and laterally flexes neck; turns head
rectus capitis posterior
insertion: occipital bone
function: extends and rotates neck; turns head
semispinalis capitis
insertion: occipital bone
function: extends, rotates, and laterally flexes neck
trapezius
insertion: clavicle, acromion process and scapular spine
function: extends and laterally flexes neck
splenius capitis
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