The original file was in Wavefront .OBJ format.
The following is the original legend from the file:
Foot Bones
#
# Courtesy of:
#
# Viewpoint Animation Engineering
# 870 West Center
# Orem, Utah 84057
# (801)224-2222
# 1-800-DATASET
#
$ Contributed to the FTP site at avalon.chinalake.navy.mil (129.131.31.11)
# by Scott R. Nelson of Sun Microsystems (srnelson@eng.sun.com)
#
# (c) Copyright 1992 Viewpoint Animation Engineering Inc.
# Sun Microsystems has been authorized to freely distribute
# these Datasets. They are provided for unlimited use in
# existing or modified form. The actual Dataset (ie, geometry)
# may not, however, be resold in existing or modified form.
The original file contains 26 polygon groups, which are not separated by the
Mathematica '.OBJ' importer.
The polygon groups were separated by the author manually using a text editor ('vi').