Lecture_2

Lecture_2 - Human Mo)on Kine)cs – Lecture 2 Eric...

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Unformatted text preview: Human Mo)on Kine)cs – Lecture 2 Eric A. Nauman ME 373 enauman@purdue.edu Outline of the Course •  Introductory Anatomy •  Planar Par)cle Dynamics –  Rec)linear, Cartesian, Polar, Path Hertz Contact Theory Sensi)vity Analysis Mechanics of Foams Three Dimensional Par)cle Dynamics Planar Mo)ons of Single Link Systems Mechanics and Physiology of Muscle Planar Mo)ons of Mul) ­Link Systems Three Dimensional Mo)ons of Single and Mul) ­Link Systems •  Whole Body Kine)cs •  •  •  •  •  •  •  •  Anatomic Direc)ons •  •  •  •  •  •  •  •  •  •  Anterior Posterior Medial Lateral Superior/Proximal Inferior/Distal Caudal Cranial Ventral Dorsal By David Monniaux Joints •  Fibrous joints •  Car)laginous joints •  Synovial joints •  •  •  •  •  •  Gliding joints Hinge joints Pivotal joints Condyloid joints Saddle joints Ball ­and ­socket joints Fibrous joint Car)laginous joint Synovial joint Anatomical Terms •  Segment length (longer) •  Bone length •  Joint center length (shorter) Dynamics •  Krousgrill ­O’Reilly Method –  Free body diagram –  Governing equa)ons –  Kinema)cs/Constraints –  Solve the Problem Bungee Jumping?! Bungee Jumping  ­ FBD Bungee Jumping Bungee Jumping Hail Stones Hail Stones Hail Stones •  Whenever the accelera)on is a func)on of posi)on or velocity, your first inclina)on should be to decompose the accelera)on term. There are a few situa)ons where it doesn’t work well, but in general it’s a good approach. Diving Diving Diving Diving Diving ...
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