The figures here give the impression not of human beings in motion but rather of animated sculptures. Their proportions and poses—two open with arms outstretched, two closed—make the decoration an unusually interesting academic exercise.
Beazley, John D. 1963. Attic Red-Figure Vase-Painters, Vols. 1 and 2, 2nd ed. p. 943, no. 76, Oxford: Clarendon Press.