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Chimpanzee bipedalism: cineradiographic analysis and implications for the evolution of gait
- Source :
- Science (New York, N.Y.). 178(4063)
- Publication Year :
- 1972
-
Abstract
- Bipedal chimpanzees reorient the pelvis to achieve an upright posture but retain the same pattern of femoral flexion and extension as in quadrupedal walking. Major differences from human gait are the abducted, relatively more flexed excursion of the femur and the timing of pelvic tilt, which raises during the swing phase. The femoral head morphology in the fossil hominid Australopithecus robustus is evidence of an approximately vertical excursion of the femur in contrast to the adducted pattern of modern man and the abducted pattern of chimpanzees.
- Subjects :
- musculoskeletal diseases
Pelvic tilt
Knee Joint
Pan troglodytes
Posture
Femoral head
Gait (human)
Quadrupedalism
medicine
Animals
Humans
Femur
Bipedalism
Pelvic Bones
Gait
Multidisciplinary
biology
Cineradiography
Excursion
Femur Head
Anatomy
musculoskeletal system
biology.organism_classification
Biological Evolution
body regions
medicine.anatomical_structure
Australopithecus
Hip Joint
human activities
Ankle Joint
Subjects
Details
- ISSN :
- 00368075
- Volume :
- 178
- Issue :
- 4063
- Database :
- OpenAIRE
- Journal :
- Science (New York, N.Y.)
- Accession number :
- edsair.doi.dedup.....cf54a2010ba89938e75502da16dc91e6