What are the evolutionary changes that have happened in the axial skeleton of humans?

Dear student,The evolution of human bipedalism, which began in primates about four million years ago or as early as seven million years ago with Sahelanthropus,or about 12 million years ago with Danuvius guggenmosi, has led to morphological alterations to the human skeleton including changes to the arrangement and size of the bones of the foot, hip size and shape, knee size, leg length, and the shape and orientation of the vertebral column.Regards.

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