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In a single arm exercise called a triceps curl, a weight is held in one hand and moved up and down behind the head. Assume
In a single arm exercise called a triceps curl, a weight is held in one hand and moved up and down behind the head. Assume that the athlete is lifting 10 kg, has a height of 1.6m and a weight of 70kg. If the athlete were to stop and hold the weight directly behind the head (with the forearm parallel to the ground): 1. Clearly state all the assumptions you use to solve this problem and provide brief justifications for each of them. You may add assumptions as you proceed with the solution. 2. Determine the forces transmitted across the elbow joint and the moment that must be applied around the elbow joint to maintain this as a static position. Include a proper free body diagram in your answer. 3. Estimate the force in the triceps muscle in this circumstance. Use a moment arm of 3cm to calculate the answer. 4. Comment on your assumptions, estimates and your results in this problem. Briefly consider the effects of each of these on your
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