Anatomical Terms, Position, Planes, and Movements PDF - Najran University

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Najran University

1446

Dr. Aymen Nasreldin, Dr. Itedal Abdalrahim

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anatomy human anatomy medical terminology body structures

Summary

This document presents anatomical terms, positions, planes, and movements. It is intended as educational material for understanding fundamental body structures.

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‫ملكة العربية‬+‫ا‬ ‫السعودية‬ ‫وزارة التعليم‬ ‫جامعة نجران‬ ‫كلية الطب‬...

‫ملكة العربية‬+‫ا‬ ‫السعودية‬ ‫وزارة التعليم‬ ‫جامعة نجران‬ ‫كلية الطب‬ Anatomical terms, position, planes and ‫العام‬ movements 1446 Dr. Aymen Nasreldin Dr. Itedal Abdalrahim Assistant professor Associate professor Learning Objectives Objective 1: Identify and utilize anatomical positions, planes, and directional terms. Demonstrate what anatomical position is and how it is used to reference the body. Distinguish between the commonly used anatomical planes and recognize their individual views. Apply directional terms to their location on the human body. Objective 2: Demonstrate body movements. Compare and contrast the various movements of the body and their counter-movements. Compare and contrast the various movements of the foot /ankle and their counter-movements. Compare and contrast the lateral movements of the wrist/hand and their counter-movements. The science which deals with the study of the structure and shape of the body & body parts, and their relationships to one another It is divided into: Gross Anatomy: Study of human body with naked eye Microscopic Anatomy (Histology): Study of fine structures (cells & tissues) of the human body with the help of microscope Developmental Anatomy ( Embryology) Radiological Anatomy Cross-sectional Anatomy Applied Anatomy Surgical Anatomy Anatomical Position Anatomical Planes Fixed lines of reference along which the body is often divided or sectioned to facilitate viewing of its structures Allow one to obtain a three-dimensional perspective by studying the body from different views Anatomical Planes Sagittal plane The plane dividing the body into right and left portions Midsagittal or median are names for the plane dividing the body into equal right and left halves Anatomical Planes Frontal/Coronal plane The plane dividing the body into front and back portions Anatomical Planes Transverse plane The horizontal plane dividing the body into upper and lower portions Also called the Horizontal plane. Positions and Directions Terms of position and direction describe the position of one body part relative to another, usually along one of the three major body planes Positions and Directions Anterior Refers to a structure being more in front than another structure in the body Posterior Refers to a structure being more in back than another structure in the body Positions and Directions Superior Refers to a 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 Positions and Directions Medial Refers to a structure being closer to the midline or median plane of the body than another structure of the body Lateral Refers to a structure being farther away from the midline than another structure of the body Positions and Directions (Reference to the extremities only) Distal Refers to a structure being further away from the root of the limb than another structure in the limb Proximal Refers to a structure being closer to the root of the limb than another structure in that limb Positions and Directions Cranial/Cephalic towards the head Caudal towards the tail Positions and Directions Superficial Refers to a structure being closer to the surface of the body than another structure Deep Refers to a structure being closer to the core of the body than another structure Positions and Directions Ventral Towards the front or belly Dorsal Towards the back Positions and Directions Prone Lying face down Supine Lying face up Unilateral Pertaining to one side of the body Bilateral Pertaining to both sides of the body Body Movements Body Movements Flexion Extension Hyperextension Adduction Abduction Pronation Supination Retraction Protraction Elevation Depression Rotation Circumduction External Rotation Internal Rotation Inversion Eversion Dorsiflexion Plantarflexion Radial Deviation Movements Flexion Bending a joint or decreasing the angle between two bones Extension Straightening a joint or increasing the angle between two bones Hyperextension Excessive extension of the parts at a joint beyond anatomical position. Movements Adduction Moving a body part towards the midline of the body Abduction Moving a body part away from the midline of the body Movements Pronation Turning the arm or foot downward; (palm or sole of the foot - down) Supination Turning the arm or foot upward; (palm or sole of the foot - up) Movements Retraction Moving a part backward Protraction Moving a part forward Elevation Raising a part Depression Lowering a part Movements Rotation Turning on a single axis Circumduction Tri-planar, circular motion at the hip or shoulder External rotation Rotation of the hip or shoulder away from the midline Internal rotation Rotation of the hip or shoulder toward the midline Movements Lateral Flexion Side-bending left or right Movements of the Foot Inversion Turning the sole of the foot inward Eversion Turning the sole of the foot outward Dorsiflexion Ankle movement bringing the foot towards the shin Plantarflexion Ankle movement pointing the foot downward Movements of the Wrist & Thumb 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. Regional Terms: Regional Terms: Anterior View Posterior View Axial – head, neck, and trunk Appendicul ar – appendages or limbs Specific regional terminology References 1-Netter Basic Science John T. Hansen, Netter's Clinical Anatomy with Online Access, 3e- Saunders (2014). 2-Last’s anatomy Regional and applied,12th edition. Chummy S. Sinnatamby FRCS, Churchill Livingstone (2011). 3-Mahadevan, Harold Ellis, Vishy (2013). Clinical anatomy applied anatomy for students and junior doctors (13th ed.). Chichester, West Sussex, UK: Wiley-Blackwell. ISBN

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