There are many insect leg joints that include allowing easy movement. But the movement of the joints, it relies on the work of muscles, such as the movement of the legs of locusts is due to run two sets of muscles which run in opposite condition is. Sir flex muscles (flexor) muscle and the tensor M (extensor) muscles flex circuit contraction. X-tensor muscle to relax, to make bent. But when X-tensor muscle contraction. Sir flex muscles to loosen the legs stretched out.
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