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Introduction to Kinesiology & Biomechanics
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Definitions Kinesiology Biomechanics
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Definitions Kinematics Kinetics
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Definitions Static Analysis Dynamics Analysis
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Definitions Anthropometrics
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Why study biomechanics?
Biomechanist vs Applied Biomechanist Sports Performance Ergonomics Injury Prevention Improved Rehabilitation
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Ways to Solve Biomechanical Problems
Qualitative vs Quantitative Scalar vs Vector Quantities
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Basic Structural Analysis
Stress-Strain Curve Stress Strain Key Points on Curve Elastic Modulus Yield Point Plastic Region Elastic Region Residual Strain Failure Safety Factor Mechanical Energy
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Basic Structural Analysis
Stress-Strain Curve Stress Strain Key Points on Curve Elastic Modulus Yield Point Plastic Region Elastic Region Residual Strain Failure Safety Factor Mechanical Energy
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Basic Structural Analysis
Stress-Strain Curve Stress Strain Key Points on Curve Elastic Modulus Yield Point Plastic Region Elastic Region Residual Strain Failure Safety Factor Mechanical Energy = ½ stress * strain Area under the curve
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Types of Materials Elastic Linear relationship between stress & strain
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Types of Materials Viscoelastic Nearly all biologic tissues
Manifestations of Viscoelastic Properties Rate of Loading Hysteresis Creep
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Types of Materials Viscoelastic Nearly all biologic tissues
Manifestations of Viscoelastic Properties Rate of Loading Hysteresis Creep
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Types of Materials Viscoelastic Nearly all biologic tissues
Manifestations of Viscoelastic Properties Rate of Loading Hysteresis Creep
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Types of Materials Viscoelastic Nearly all biologic tissues
Manifestations of Viscoelastic Properties Rate of Loading Hysteresis Creep
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Material Characteristics
Stiff Compliant Brittle
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Review Anatomical Terms
Directional Terms Superior/Inferior Proximal/Distal Anterior/Posterior Medial/Lateral Superficial/Deep Movement Terms Flexion/Extension Abduction/Adduction Horizontal Abduction/Hor. Adduction Internal Rotation/External Rotation Radial Deviation/Ulnar Deviation Supination/Pronation Inversion/Eversion
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Reference Systems
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Reference Systems Why? Absolute vs Relative Absolute Reference Frame
Segments intersect in joint center & movement of segment is described with respect to that joint
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Reference Systems Why? Absolute vs Relative Absolute Reference Frame
Relative Reference Frame Movement of segment described relative to adjacent segment
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Reference Systems Spatial Reference Frame
Movement of body relative to ground Occurs in xyz directions x Up (+) Forward (+) z Down (-) Backward (-) y Left (+) Right (-)
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Reference Systems Cartesian Coordinate System Fixed reference point
x,y and z coordinates
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Anatomical Planes & Axes
Plane of Motion 2 dimensional flat surface Axis point about which movement occurs perpendicular to the plane of movement Whole Body Planes and Axes Segmental Planes and Axes
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Anatomical Planes
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Planes of movement Sagittal left/right halves
Perpendicular Axis - Frontal or Mediolateral
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Planes & Axes Frontal Plane Anterior/posterior halves
Axis - Anteroposterior or Sagittal
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Planes & Axes Transverse Plane Upper/lower halves Axis - Longitudinal
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Other Planes and axes Diagonal or Oblique plane of movement
perpendicular to the plane how to find
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