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Terms of position and direction describe the position of body

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Term
Definition
Superior   refers to structure being closer to the head or higher than another structure in the body  
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Inferior   Refers to a structure being closer to the feet or lower than another structure in the body  
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Anterior   Refers to structure being more in front than another structure of body  
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Posterior   Refers to structure being more in back than another structure in the body  
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Medial   Refers to structure being closer to midline or median plane of the body than any other structure of the body  
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Lateral   Refers to structure being farther away from the midline than another structure of the body  
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Distal   With reference to the extremities only, refers to structure being further away from the root of the limb than another structure in that limb  
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Proximal   With reference to extremities only, refers to structure being closer to the root of the limb than another structure in that limb  
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Superficial   Refers to a structure being closer to the surface of the body than any other structure  
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Deep   Refers to a structure being closer to the core of the body than any other structure  
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Ventral   Toward the front/belly  
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Dorsal   Toward the back  
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Prone   Laying face down  
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Supine   Laying face up  
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Unilateral   Pertaining to one side of the body  
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Bilateral   Pertaining to both sides of the body  
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Flexion   Bending at a joint or decreasing the angle between two bones  
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Extension   Straightening a joint or increasing the angle between two bones  
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Hyperextension   Extending a joint beyond its normal range of motion  
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Adduction   Moving a body part toward the midline of the body  
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Abduction   Moving a body part away from the midline of the body  
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Pronation   Turning the arm or foot downward (palm or sole of the foot - down)  
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Supination   Turning the arm of foot upward (palm or sole of the foot - up)  
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Retraction   Moving a part backward  
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Protraction   Moving a part forward  
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Elevation   Raising a part  
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Depression   Lowering a part  
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Rotation   Turning on a single axis  
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Circumduction   Tri-planar, circular motion at the hip or shoulder  
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External Rotation   Rotation of the hip pr shoulder away from the midline  
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Internal Rotation   Rotation of the hip or shoulder toward the midline  
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Lateral Flexion   Side-bending left or right  
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Inversion   Turning the sole of the foot inward  
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Eversion   Turning the sole of the foot outward  
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Dorsiflexion   Ankle movement bringing the foot toward the shin  
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Plantarflexion   Ankle movement pointing the foot downward  
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Radial Deviation   Movement of the wrist towards the radius or lateral side  
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Ulnar Deviation   Movement of the wrist towards the ulna or medial side  
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Opposition   Movement of the Thumb across the palm of the hand  
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Sagittal/Midsagittal Plane (Mid = Equal)   The plane dividing the body into right and left portions  
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Frontal/Coronal Plane   The plane dividing the body into front and back portions  
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Transverse/Horizontal Plane   The plane dividing the body into upper and lower regions  
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Created by: ivanderzon17
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