ME 354 Vanth Mod 1 - Iron Cross

ME 354 Vanth Mod 1 - Iron Cross - A. Generate Ideas We need...

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A. Generate Ideas We need to determine the forces in each adductor muscle necessary to hold static equilibrium in the iron cross position due to the opposing moment from the tension in the body. We need to determine the moment arm angle for each muscle force. We also need to determine the length of the moment arm for each force. We will be taking the shoulder as our fulcrum, or axis of rotation, about which we will be taking moments due to the forces. We need to know the weight of the person, as well as the length of his arms, and we need to know the weight of his arms and whether they are relevant in our determination of the moments. Static equilibrium is related because we need to balance the forces in the horizontal and vertical directions, as well as the moments about the axis of rotation, which is the shoulder. Therefore, the sum of the forces in the vertical and horizontal directions as well as the moments about the shoulder joint must equal zero.
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This note was uploaded on 02/16/2012 for the course ME 354 taught by Professor Donald during the Spring '12 term at University of Texas at Austin.

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ME 354 Vanth Mod 1 - Iron Cross - A. Generate Ideas We need...

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