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Medical Terminology Anatomical Position, Directional Terms and Movements.

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Presentation on theme: "Medical Terminology Anatomical Position, Directional Terms and Movements."— Presentation transcript:

1 Medical Terminology Anatomical Position, Directional Terms and Movements

2 What we will cover... Content Objectives Students will be able to gain a better understanding and application of medical terminology in relation to Anatomical Planes, Directions and Movements. Language Objectives Students will be able to define basic anatomical terms and apply those terms when dissecting. Students will be able to compare and contrast the differences between directional terms and terms associated with movement.

3 Anatomical Terms Worksheet

4 History During the Renaissance (“Rebirth”) the study of human life and medicine began to flourish. Scientist, Doctors and Artist would experiment and practice on the dead and incarcerated. Cadavers were positioned flat on their backs, thus making it easier to draw and reference from that position. Many artist such as Leonardo da Vinci began to study, draw and diagram the human body.

5 Anatomical Position Standing erect, with palms and feet facing forward Is the standard reference point in which all positions, movements, and planes are described

6 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

7 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

8 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

9 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

10 Positions and Directions Distal (Reference to the extremities only) Refers to a structure being further away from the root of the limb than another structure in the limb Proximal (Reference to the extremities only) Refers to a structure being closer to the root of the limb than another structure in that limb

11 Distal / Proximal Cont. When you divide the skeleton into Axial (Blue) and Appendicular (Yellow) you can better understand the extremities and their roots. Proximal Distal

12 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

13 Positions and Directions Ventral Towards the front or belly You Vent out or your nose and mouth. Dorsal Towards the back Like the Dorsal fin of a dolphin.

14 Positions and Directions Prone Lying face down Like a Pro Baseball player sliding into Home. Supine Lying face up Lying on your spine and you can have soup poured into your mouth. Unilateral Pertaining to one side of the body Bilateral Pertaining to both sides of the body

15 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

16 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

17 Anatomical Planes Frontal plane The plane dividing the body into front and back portions Also called the Coronal plane

18 Anatomical Planes Transverse plane The horizontal plane dividing the body into upper and lower portions Also called the Horizontal plane

19 Gummy Bear Dissection LAB 1.Cadaver Bear 2.Dissecting Tray 3.Scalpel

20 Movements Flexion Extension Hyperextension Adduction Abduction Prontaion Supination Retraction Protraction Elevation Depression Rotation Circumduction External Rotation Internal Rotation Inversion Eversion Dorsiflexion Plantarflexion Radial Deviation Ulnar Deviation Opposition

21 Movements Flexion Bending a joint or decreasing the angle between two bones In the Fetal Position we are flexing our joints Extension Straightening a joint or increasing the angle between two bones In the Anatomical Position we are extending our joints Hyperextension Excessive extension of the parts at a joint beyond anatomical position.

22 Flexion / Extension / Hyperextension

23 Movements Adduction Moving a body part towards the midline of the body Abduction Moving a body part away from the midline of the body

24 Movements Pronation Turning the arm or foot downward (palm or sole of the foot - down) Prone Supination Turning the arm or foot upward (palm or sole of the foot - up) Supine

25 Movements Retraction Moving a part backward Protraction Moving a part forward Elevation Raising a part Depression Lowering a part

26 Movements Rotation Turning on a single axis Circumduction Tri-planar, circular motion at the hip or shoulder Internal rotation Rotation of the hip or shoulder toward the midline External rotation Rotation of the hip or shoulder away from the midline

27 Movements Lateral Flexion Side-bending left or right

28 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

29 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.

30 Additional Range of Motion

31 QUIZ

32 1.Hip __________________________ 2.Hip __________________________ 3.Hip __________________________ Knee ________________________ Ankle ________________________ 4.Wrist _________________________ (a) __________________________ (b) __________________________ 5.Hip __________________________ Knee ________________________ Ankle ________________________ 6.Forearm (a) ___________________ Forearm (b) ___________________ 7.Shoulder ______________________ 8.Shoulder ______________________ 9.Jaw __________________________ 10.Shoulder ______________________ 1.Hip _Abduction_________________ 2.Hip _Adduction_________________ 3.Hip _Flexion___________________ Knee _Extension________________ Ankle _Plantarflexion____________ 4.Wrist _Extension________________ (a) _Hyperextension_____________ (b) _Flexion____________________ 5.Hip _Flexion___________________ Knee _Flexion__________________ Ankle _Dorsiflexion______________ 6.Forearm (a) _Supination__________ Forearm (b) _Pronation__________ 7.Shoulder _Circumduction_________ 8.Shoulder _Elevation_____________ 9.Jaw _Protraction________________ 10.Shoulder _Rotation______________ Range of Motion

33 Regional Terms

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36 Word Association Activity

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