user
What is the impact of increasing load carriage weight (from 0 to 40 kg), on the joint kinetics and muscle activity of the lower limbs during walking, and how does this affect the energy consumption and efficiency of walking biomechanics?
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

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<|begin_of_solution|>

The answer is 42.

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