Передвижение: некоторые кости, суставы и мускулы голени, лодыжки и ноги в человеке и у примата "предшественника"

The article presents widening of spaces between certain lower leg and ankle bones, during power stroke of normal gait. Repositioning of these bones after this widening, normally occurring during recovery, can be analyzed functional morphologically and comparative anatomically. For this, opossums are studied, as primate predecessors.