lab 5 Muscle terminology head neck heart Flashcards
(100 cards)
origin
the less movable of the tow points of attachment of a muscle
insertion
the usually distal and more movable attachment of a muscle
tendon
cord of dense regular connective tissue that connects muscle to bone
flexion
decreases the angle of the joint
extension
increases the angle of the joint
elevation
upward (superior) movement of a part of the body
depression
downward(inferior) movement of a part of the body
rotation
the turning movement of a bone around its own long axis
medial rotation
the limbs anterior surface turns towards the medican plane of the body
lateral rotation
the limbs anterior surface turns towards the lateral plane of the body
ispilateral
on the same side
contralateral
relating to the opposite side
synergist
muscle that aids the action of another
antagonist
muscle that opposes the action of another
abduction
movement of a limb away from the midline
adduction
movement of a limb toward the body midline
aponeurosis
fibrous sheet or flat extended tendon
protraction
a nonangular movement in the anterior direction in the transverse plane
pronation
the forearm rotates medially so the palm faces posteriorly
supination
the forearm rotates laterally so the palm faces anteriorly
orbicularis oculi action and innervation
close eye; facial cn VII; label on lab manual
Orbicularis oris action and innervation
purse mouth- kissing; facial cn vii ; label on manual
Frontalis action/innervation
raise eyebrows; facial cn vii; label
zygomaticus major ac/inn
elevate corner of mouth (smile) , facial cn vii, label