There is a good summary in; Gatesy, S.M. 1990. Caudofemoral musculature and the evolution of theropod locomotion. Palaeobiology, 16(2), 170-186 CHEERS, GABHAN PETTIGREW If you can't fool all of the people Sgl3GP@Cardiff.ac.UK all of the time, then we should be Cardiff University breeding them for stupidity (Cerebus)