When you carry shopping bags, rather than grasp the handles with your hand as in Figure Q8.14a,

Question:

When you carry shopping bags, rather than grasp the handles with your hand as in Figure Q8.14a, you might choose to put them over your arm and slide the handle toward your elbow as in Figure Q8.14b. Explain why this leads to less muscle effort to carry the bags and less force in your elbow joint.

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