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Planes and Axes1
| Question | Answer |
|---|---|
| What are planes | slices in spa ce, continue on infinately in all directions |
| Planes within the body | divide body into panels within which movement occurs-unify the language that is used to describe a movement-MOTION OCCURS WITHIN A PLANE |
| three anatomical planes | sagital, frontal, transverse |
| Sagital | seperates body into left and right |
| frotnal plane | separates body into front and back sections |
| Transverse/horizontal plane | serperates body into top(superior) and bottom sections |
| Axes | perpendicular to each plane-MOTION OCCURS ABOUT AN AXES- |
| Axes in the body | bilateral, antero-posterior, polar |
| Bilateral | passes from left to right, perpendicular to the sagital plane, motion in the sagital plane occurs about this axis |
| Anterio-posterior | passes from front to back, perpendicular to the frontal plane, motion that occurs in frontal plane is about this axis |
| Polar | pases from top to bottom and perpendicular to the transverse plan-motion in the transcerse plane always about the polar axis |
| Example of Motion in the Sagital Plane | standing in anatomical neutral-elbow flexes **about the bilateral axis |
| Example of motion in the frontal plane | standing in anatomical neutral-arm is swung up like a jumping jack(ABDuction) **about the anterio-posterior axis |
| Example of motion in the transverse plane | standing in anatomical neutral-head is rotated from side to side(cervical rotation) **about the polar axis |