Anatomical/ Directional Terms...Microsoft PowerPoint - Anatomy Terminology2.ppt Author: hinrichs...
Transcript of Anatomical/ Directional Terms...Microsoft PowerPoint - Anatomy Terminology2.ppt Author: hinrichs...
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proximal
distal
lateral medial
superior(cranial)
inferior(caudal)
anterior(ventral)
NOT SHOWNposterior(dorsal)
Anatomical/ DirectionalTermsDistal - _______ from trunkProximal - _______ to trunk
Lateral - _______ from midlineMedial - ______ to midline
Anterior - front side (aka ventral)Posterior - back side (aka dorsal)
Superior - _______ to head (aka cranial)Inferior - _______ from head (aka caudal)
Superficial - _______ to surfaceDeep - _______ from surface
Plantar - ______ of footDorsal - _____ of foot
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PLANE
PLANE -- a two-dimensional surface defined by ___ pointsnot on the same line (i.e. not colinear)
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MOTION OCCURS “IN A PLANE”
PLANES
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Leg Swing during gait (walking/running)
Plane
Even though leg has considerable thickness - only consider thejoint centers and the lines connecting them; so “thin” segmentsdefine the leg which swings “IN THE PLANE”
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PLANE
AXIS
MOTION OCCURS “ABOUT AN AXIS”
AXIS -- a line passing ____________ through a plane
AXES
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Leg Swing during gait (walking/running)
AXIS
AXIS PASSES THROUGH JOINT CENTER
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PLANE
AXISMotion occurs “IN A PLANE”
Motion occurs “ABOUT AN AXIS”
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Body Planes
• Sagittal -- vertical plane that divides the body into ______and ______ parts
• Frontal -- vertical plane that divides the body into _________ and _________parts
• Transverse -- horizontal planes that divides the body into ________ and _______parts
TransversePlane
Sagittal Plane
FrontalPlane
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Cardinal or “Mid” Planes• DEFINITION -- if a
plane passes through the body such that it divides it into equal mass halves
• INTERSECTION -- the point at which the mid-sagittal, mid-frontal, and mid-transverse planes intersect is the CENTER OF MASS
MID-SAGGITALPLANE
SAGITTALPLANE
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Body Planes & Axes
Sagittal Plane = Medial-Lateral Axis (ML)
Frontal Plane = Anterior-Posterior Axis (AP)
Transverse Plane = Longitudinal Axis
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Sagittal Plane Movements
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Frontal Plane Movements
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Transverse Plane Movements
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Sagittal Plane Joint Mvmts
flexion = ________ angle between 2 segs
extension = _______ angle between 2 segs
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Sagittal Plane Joint Mvmts
dorsiflexion = point toes ___ (towards shin)
plantar flexion = point toes ______
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Frontal Plane Joint Mvmts
abduction = move _____ from midline
adduction = move _____ midline
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Frontal Plane Joint Mvmts
elevation = move shoulder girdle _________
depression = move shoulder girdle _________
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Frontal Plane Joint Mvmtsinversion = lift ______ border of foot
eversion = lift ______ border of foot
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Frontal Plane Joint Mvmtsradial deviation = move toward ______
styloid
ulnar deviation = move toward ______ styloid
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Frontal Plane Joint MvmtsL/R lateral bending = bend trunk to L/R
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Transverse Plane Joint Mvmts medial rotation =
anterior surface rotates ________ (also called inward or internal rotation)
lateral rotation = anterior surface rotates _________
(also called ______ or ________ rotation)
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Transverse Plane Joint Mvmtssupination = rotate thumb laterally (or
palm up)pronation = rotate thumb medially (or
palm down)
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Transverse Plane Joint Mvmts
horizontal adduction = move towards midline in transverse plane (horizontal extension)
horizontal abduction = move away from midline in transverse plane (horizontal flexion)
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Circumduction =Flexion
+ Abduction+ Adduction + Extension