5. When analyzing a task for improvement, according to our text and notes, what

Question

5. When analyzing a task for improvement, according to our text and notes, what is the most important question to ask? 6. Ifa worker was required to lift a heavy part, which of the following postures would you recommend for maximum strength? a. arms held straight down (fully extended) b. upper and lower arms bent together (fully contracted c. upper and lower arms at about a 90 degree angle to one another 7. To better assist the worker in lifting a heavy part, the task should be designed to take place as quickly as possible so the worker can exert maximum muscle force. TrueFals 8. Muscle strength has no real relationship with its cross-sectional area. True False A brain surgeon goes to the gym to work out with weights immediately before he is scheduled perform surgery. This should be fine since the muscle fibers used for precision work are fferent than those used for heavy lifting. True False

Explanation / Answer

Place items to be lifted within the “power zone”. The power zone is close to the body, between the mid-thigh and mid-chest of the person doing the lifting. This is the area where the arms and back can lift the most with the least amount of effort. Keep loads as close to the body as possible and do not twist while lifting.

Based on this , option C is perfect answer.

C: Upper & Lower arms at about a 90 degree angle to one another.

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