Anatomical Position and Directions

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Presentation transcript:

Anatomical Position and Directions Standard 1 Objective 8

The anatomical position is: What is it? The anatomical position is: “the universally accepted starting point used to describe or analyze anatomical terms or movement.” To be in correct anatomical position, the body must meet 3 criteria: Upright, standing position Face and feet pointing forward Arms at the side, palms facing forward But how do we use the anatomical position to describe direction and planes?

Anatomical Planes Frontal(Coronal) -relate to positions in space and found at right angles to each other -these planes can be positioned on specific parts of the body Frontal(Coronal) -vertical; splits the body into front and back parts

Frontal (Coronal) Plane

Anatomical Planes Sagittal Mid Sagittal -vertical; splits the body into left and right parts Mid Sagittal -vertical; splits the body into equal left and right halves

Sagittal Plane

Anatomical Planes Transverse -horizontal; splits the body into upper and lower parts

Transverse Plane

Which Plane?

Body Position Terminology The following terms will become like a second language for you. These terms are used to describe position of the body and will be used extensively when we talk about muscles and bones Medial- towards the midline(center) of the body Lateral- away from the midline of the body Superficial - on or close to the surface of the body Deep - farther away from the surface of the body

Superior- towards the top of the body; above (cranial) Inferior- towards the bottom of the body; below (caudal) Anterior- towards the front of the body; in front of (ventral) Posterior- towards the back of the body; behind (dorsal) Proximal- situated closest to the point of attachment Distal- situated farthest from the point of attachment

Body Position Examples The nose is medial to the eyes. The ears are lateral to the head. The skin is superficial to the muscles. The bones are deep to the muscles. The lungs are superior to the diaphragm. The mouth is inferior to the nose. The nose is anterior to the ears. The vertebral column is posterior to the breastbone (sternum). The wrist is proximal to the fingers. The elbow is distal to the shoulder.