They have clenched fists and stairing eyes. Greek sculpture begins to break away from this highly idealized form. Their features are much more life-like and representative of a real person. The stance is much more relaxed and the weight is shifted. The feet look like actual cast molds, and the hair is almost a strand by strand replication.
Realism seems to be the most obvious breakthrough with regards to Greek sculpture.
This was achieved primarily by improved techniques in bronze casting. Stone sculptures became more three dimensional and stood out from the backgrounds much more. This can be seen in figure 5-35 which portrays Athena, Herakles, and Atlas. Pediment sculptures made use of available space and made it more feasable for to emphasize twisting and turing of the figures.