BasicPrinciplesBiomech - BasicPrinciplesofBiomechanics...

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Basic Principles of Biomechanics Outline Definition Planes of motion Axes of motion Newton’s Laws of motion Joint mechanics Example: Application to standing posture References Michaud: Foot orthoses and other forms of conservative foot care Pages 1-7 Pages 14-21 Definition of Biomechanics ‘the application of mechanical laws to living structures, specifically to the locomotor system of the human body’ Planes of motion (human body) Sagittal - flex/extension Frontal (coronal) - ab/adduction Transverse - rotation Planes of motion (foot) Figure 1.6
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Axes of motion Imaginary line / rod passing through the centre of an object, around which rotation occurs Perpendicular to plane of motion Rotation occurs perpendicular to the axis Axes of motion (foot) Joints of the lower limb Joints of the lower limb uniaxial hinge, pivot Interphalangeal joint (hinge) biaxial condyloid, ellipsoid, saddle MPJs Flex/ext,add/abduction triaxial / polyaxial hip joint (ball and socket) plane / gliding
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This note was uploaded on 02/15/2010 for the course IPHY 4540 at Colorado.

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BasicPrinciplesBiomech - BasicPrinciplesofBiomechanics...

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