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Anatomical Terms

Terms of position and direction describe the position of body

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