Slide 1Slide 2Slide 3Biomechanical Models (Ch. 6)Slide 5Slide 6Slide 7Slide 8Static Analysis-5 (Internal Forces)Lever Systems – 3rd ClassLever Systems – 1st ClassLever Systems – 2nd ClassSlide 13Static Analysis-7 (Two Muscles)Static Analysis-8 (Two Muscles)Slide 16IE 5531IE 553 Engineering of Human WorkDr. Andris FreivaldsClass #11IE 5532IE 553 Engineering of Human WorkDr. Andris FreivaldsClass #11IE 5533IE 5534Biomechanical Models (Ch. 6)Why model??•Scientific curiosity – how body works•Predict injuries conditions before hand•Cheaper and safer than experimentsBasic biomechanics principles (LeVeau):•Freebody diagram, static equilibrium•Then, ∑F = 0, ∑M = 0 •M = r x F, CW = -, CCW = +IE 5535Static Analysis-1 (Hand link)IE 5536Static Analysis-2 (Forearm link)IE 5537Static Analysis-3 (Upper arm link)IE 5538Static Analysis-4 (Elbow Flexion)IE 5539Static Analysis-5 (Internal Forces)IE 55310Lever Systems – 3rd ClassIE 55311Lever Systems – 1st ClassIE 55312Lever Systems – 2nd ClassIE 55313Static Analysis-6 (Two Muscles)IE 55314Static Analysis-7 (Two Muscles)OptimizationIE 55315Static Analysis-8 (Two Muscles)ProportionIE 55316Center of Gravity
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