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Human Anatomy
Terms of Position and Movement
19
Biology
Undergraduate 3
08/30/2011

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Term
flexion
Definition
to bend or make an angle
Term
extension
Definition
to straighten out, body is in this "relaxed" position when in anatomical position
Term
abduction
Definition
to take away laterally, from the median plane
Term
adduction
Definition
to bring toward the median plane
Term
circumduction
Definition
the act of flexion, abduction, extension, and adduction in sequence without hesitation, describes a cone with the join effecting the movement acting as the apex
Term
rotation
Definition
act of turning or rotating about an axis, as a propeller rotates about its shaft or a wheel about its axle
Term
lateral rotation
Definition
the type of rotation that swings outward from the body, also referred to as external rotation
Term
medial rotation
Definition
the type of rotation that swings inward toward the body
Term
supination
Definition
being face up
Term
pronation
Definition
being face down
Term
protraction
Definition
to move forward
Ex. lower jaw jutting out and forward, movement of scapula laterally away from the midline of the body
Term
retraction
Definition
to move backward
Ex. returning lower jaw to normal position after jutting out, movement of scapula medially toward the midline body
Term
plantar flexion
Definition
extension of the ankle join such that the toes of the foot are pushed down and away from the leg, as in certain ballet movements
relative to anatomical position, the motion is one of extension
Term
dorsiflexion
Definition
opposite of plantar flexion, flexion of the ankle join such that the toes of the foot are brought up and toward the & the upper surface of the foot is the dorsal surface
Term
inversion
Definition
position of the foot in which the sole faces inward such as when one stands on the lateral borders of the feet, elevating the lateral borders
Term
median (midsagittal) plane
Definition
relative to the whole body, this is also the longitudinal axis. it divides the body into equal left and right halves
Term
sagittal plane
Definition
a longitudinal axis on either side of the median plane, dividing the body into unequal left and right parts
Term
transverse plane/cross section
Definition
relative to the whole body, this is also the horizontal plane
Term
coronal/frontal plane
Definition
divides the body into anterior and posterior parts
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