• Publications
  • Influence
A functional analysis of pongid hip and thigh musculature
Abstract Dissections of the hip and thigh musculature were carried out on 11 pongid specimens representing five genera (Hylobates, Symphalangus, Pongo, Pan and Gorilla). The functional anatomy of theExpand
  • 54
  • 7
Some aspects of pongid and hominid bipedality
Abstract Differences in the efficiency of living pongids and man as bipeds are discussed in terms of: (1) influences of the position of the centre of gravity on the torque levels produced at the hipExpand
  • 31
  • 2
Bipedal behavior and the emergence of erect posture in man.
  • B. A. Sigmon
  • Biology, Medicine
  • American journal of physical anthropology
  • 1971
Bipedal behavior is present to some degree in most of the higher primates. Field studies of living pongids have shown that an upright stance and various types and degrees of bipedal progression areExpand
  • 39
  • 1
The dermatoglyphics of a Toronto sample of children with XXY, XXYY, and XXX aneuploidies.
Dermatoglyphic analyses were carried out on a sample of children with known sex chromosomal aneuploidies (25 XXY, 10 XXX, 1 XXYY). Digital ridge counts and pattern types were determined for eachExpand
  • 14
One Woman's Brain
Contributions from Southern and Eastern Africa to the study of early hominid evolution
Our understanding of earliest human evolution (Pliocene/early Pleistocene) is presently based primarily on fossil discoveries from South and East Africa. Different sorts of information have beenExpand
  • 2