Originally posted by Sam Flynn
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I've suggested that the reason that the indentation under the knee is more pronounced is because this is where the skin is thinnest and inelastic, and where there'd be less resistance against the cord.
We also have to consider the effect of gravity; given the position of the leg, the fluid in the tissues would tend to flow to the underside of the calf with the passage of time, so there may be some œdema contributing to the picture as well.
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