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Introduction to Anatomy

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Presentation on theme: "Introduction to Anatomy"— Presentation transcript:

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

2 Anatomical Terms Worksheet

3 Positions and Directions
Introduction to Anatomy 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

4 Introduction to Anatomy
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 explanation of planes of motion video pdf file- intro to anatomy

5 Introduction to Anatomy
Anatomical Planes Sagittal Plan Sagittal plane The plane dividing the body into right and left portions Also anteroposterior Midsagittal or median are names for the plane dividing the body into equal right and left halves

6 Introduction to Anatomy
Anatomical Planes Frontal plane The plane dividing the body into front and back portions Also called the Coronal plane

7 Introduction to Anatomy
Anatomical Planes Horizontal plane The horizontal plane dividing the body into upper and lower portions Also called the Transverse plane

8 Introduction to Anatomy
Anatomical Axes An axis is a straight line around which an object rotates. Movement at the joint take place in a plane about an axis. There are three axis of rotation. THE GENERAL RULE: The axis of rotation is perpendicular to the plane of movement.

9 Rotation of extremities, Axial rotation
Introduction to Anatomy Relationship Between Planes and Axes Axis of Rotation Plane of Motion Example Frontal Sagittal Flexion, Extension Longitudinal (vertical) Horizontal (Transverse) Rotation of extremities, Axial rotation (Coronal) Abduction, Adduction

10 Introduction to Anatomy
Describe the following motions in terms of its plane of motion. Cartwheel Back somersault Head spin Pirouette Side hops Split Front roll Frontal Sagittal Transverse or horizontal

11 Introduction to Anatomy
Describe the following motions in terms of its plane of motion & axis of rotation Plane Axis Sagittal frontal Frontal sagittal Transverse longitudinal (Horizontal) Shoulder flexion/extension Hip abduction Head rotation

12 How do we train our bodies?
Introduction to Anatomy Moving in the three planes of motion How do we train our bodies? Consider the following: •Which planes of motion? • Think of gym equipment (machines vs free weights) • Function activities – daily life activities • Movements in sports

13 Our bodies generally move in more than one plane at a time.
Introduction to Anatomy Moving in the three planes of motion Our bodies generally move in more than one plane at a time. Moving in the 3 planes of motion clips Which plane of movement is usually neglected in training? Answer: Transverse (horizontal) Plane

14 Introduction to Anatomy
Assignment: For each plan of motion list and describe 3 exercises/ warm-ups. Your description should include what plane(s) it is moving in and which axis (axes) is/are involved. If you choose a multi-joint exercise you only need to describe one joint during the exercise. (Name that joint in your description) You can include pictures in your description.

15 Gummy Bear Dissection LAB
Cadaver Bear Dissecting Tray Scalpel

16 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Superior (cranial) is a term used to describe a place that is toward the upper part of the body. For example the skull is superior to the shoulders. Superior can also be used to mean above. When the lower part of the body (or below is referred to, the term inferior (caudal) is used. For example, the knees are inferior to the shoulders.

17 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Lateral means towards the side of the body or away from the middle imaginary body line (the midline). For example, the humerus is lateral to the sternum Medial is used to describe the position of a part of the body located towards the midline. For example, coccyx is medial to the carpals.

18 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Anterior (ventral) is used to describe the front or towards the front of the body. For example, the sternum is anterior to the vertebrae. Posterior (dorsal) is used to describe the back of the body. For example, the vertebral column is posterior to the sternum.

19 Introduction to Anatomy
Terms of Position & Direction Proximal means closer to the center of the body. For example, the shoulder is proximal in relation to the hand. Distal means away from the center of the body. For example, the hand is distal in relation to the head. These are only used when discussing limbs

20 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Ipsilateral means ‘on the same side’ of a reference point. Contralateral means ‘on the opposite side’ of a reference point.

21 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Superficial refers on the surface or exterior. Deep refers to internal or inside. A structure closer to the surface of the body is superficial, while a structure further away from the surface is deep.

22 Terms of Position & Direction
Introduction to Anatomy Terms of Position & Direction Activity: Give an example of the use of the following terms in relation to body parts, bones or muscles: e.g. “the patella is _________ to the scapula.” Inferior/Superior : Caudal/Cranial Proximal/Distal Medial/Lateral Posterior/Anterior : Dorsal/Ventral Superficial/Deep Ipsilateral/Contralateral

23 Movements Movements of the body video 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 Movements of the body video

24 Introduction to Anatomy
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.

25 Flexion / Extension / Hyperextension
Introduction to Anatomy Flexion / Extension / Hyperextension

26 Introduction to Anatomy
Movements Adduction Moving a body part towards the midline of the body Abduction Moving a body part away from the midline of the body

27 Introduction to Anatomy
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 Over-pronation in the ankle

28 Introduction to Anatomy
Movements Retraction - Moving a part backward Protraction - Moving a part forward Elevation - Raising a part Depression - Lowering a part (Occurs at the shoulders as well)

29 Introduction to Anatomy
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

30 Introduction to Anatomy
Movements Lateral Flexion Side-bending left or right

31 Introduction to Anatomy
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

32 Movements of the wrist & thumb
Introduction to Anatomy 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.

33 Introduction to Anatomy
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