--- quoting a New York Times article on Lucy ---
http://query.nytimes.com/gst/fullpage.html?res=9A03EED61538F930A35756C0A965948260&sec...

Certain bones in Lucy's hand, the pisiform and trapezium, for example,
are ''primitive in a pongid direction,'' Dr. Susman said, meaning that
they are slender and curved like an ape's finger bones.
... (snipped)
Finally, according to Dr. Susman and Dr. Stern, Lucy's foot, while
similar to that of a human, shows a retention of grasping tendencies
with long and curved digits. The middle part of the foot is more
humanlike than the forefoot and toes. The foot is 40 percent
oversized, compared to that of modern man.

--- end quoting NYT on Lucy fossil ---