BIO ENG C119 Study Guide - Free Body Diagram, Ground Reaction Force, Dashpot

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8 Jan 2019
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Please write all answers in the space provided. If you need additional space, write on the back sides. Indicate your answer as clearly as possible for each question. Write your name at the top of each page as indicated. _____: (30 points total) forces and moments, stability. Consider a test for ligament stability whereby the patient is sitting down with the suspect leg not touching the ground (figure 1). A horizontal force in the sagittal plane is applied to the proximal tibia as shown by the force at a, and then at the distal tibia at b. Both forces have the same magnitude, but are only applied one at a time. Figure 1: free-body diagram (incomplete) of the lower leg for two loading scenarios. One such model is shown (figure 2) with the corresponding prediction of the force-time response for the ground reaction force.