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I have just finished teaching an evening CPD course for the SA PodA. One of the issues that came up was the peroneals (Fibularis) muscles. Of course we have two definite, and one perhaps, the longus, brevis, and the perhaps, tertius. However, many primates, lower down the foodchain from ourselves (note satire, before I am jumped upon), also have quartus and quinti (4&5); these have gone in apes, including humans. However, and this is what the question was: where are they now? Well if you look at the tendon of longus, it is frequently bipartite or more than that, perhaps tripartite; does this represent the quartus and quinti from our prosimian past? Does anyone know? I will try to found out.

Rob