Research Topics
| R H CromptonSummaryAffiliation: University of Liverpool Country: UK Publications
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Detail Information
Publications
The role of load-carrying in the evolution of modern body proportionsW J Wang
Department of Human Anatomy and Cell Biology, The University of Liverpool, UK
J Anat 204:417-30. 2004..Thus, selection for effectiveness in load-carrying, as well as in endurant walking, is indeed likely to have been implicated in the evolution of modern body proportions...- Human-like external function of the foot, and fully upright gait, confirmed in the 3.66 million year old Laetoli hominin footprints by topographic statistics, experimental footprint-formation and computer simulationRobin H Crompton
Institute of Aging and Chronic Disease, University of Liverpool, Sherrington Buildings, Ashton Street, Liverpool L69 3GE, UK
J R Soc Interface 9:707-19. 2012..66 Mya. This finding provides strong support to those previous studies which have interpreted the G-1 prints as generally modern in aspect... - Arboreality, terrestriality and bipedalismRobin Huw Crompton
Primate Evolution and Morphology Research Group, School of Biomedical Sciences, The University of Liverpool, Sherrington Buildings, Ashton Street, Liverpool L69 3GE, UK
Philos Trans R Soc Lond B Biol Sci 365:3301-14. 2010.... - Locomotion and posture from the common hominoid ancestor to fully modern hominins, with special reference to the last common panin/hominin ancestorR H Crompton
School of Biomedical Sciences, The University of Liverpool, Sherrington Buildings, Ashton Street, Liverpool L69 3GE, UK
J Anat 212:501-43. 2008..Derivation of habitual terrestrial bipedality from arboreal hand-assisted bipedality requires fewer transitions, and is also kinematically and kinetically more parsimonious... 
The mechanical effectiveness of erect and "bent-hip, bent-knee" bipedal walking in Australopithecus afarensisR H Crompton
Department of Human Anatomy and Cell Biology, University of Liverpool
J Hum Evol 35:55-74. 1998..Such an ineffective gait is unlikely to have lead to selection for "bipedal" features in the postcranial skeleton...- The mechanics of food reduction in Tarsius bancanus. Hard-object feeder, soft-object feeder or both?R H Crompton
Department of Human Anatomy and Cell Biology, University of Liverpool, UK
Folia Primatol (Basel) 69:41-59. 1998.... - Analysis of the human and ape foot during bipedal standing with implications for the evolution of the footW J Wang
Department of Human Anatomy and Cell Biology, The University of Liverpool, Liverpool L69 3BX, UK
J Biomech 37:1831-6. 2004.... - Energetic efficiency and ecology as selective factors in the saltatory adaptation of prosimian primatesR H Crompton
Department of Human Anatomy and Cell Biology, University of Liverpool, U K
Proc Biol Sci 254:41-5. 1993..Ecological' factors, such as time pressure and habitat support density, may thus be the prime consideration for many species in determining the manner in which they jump... - Free vertical moments and transverse forces in human walking and their role in relation to arm-swingY Li
Department of Human Anatomy and Cell Biology, The University of Liverpool, Liverpool L69 3GE, UK
J Exp Biol 204:47-58. 2001..Both are of reduced importance in slow walking... - Energy transformation during erect and 'bent-hip, bent-knee' walking by humans with implications for the evolution of bipedalismW J Wang
Department of Human Anatomy and Cell Biology, The University of Liverpool, PO Box 147, UK
J Hum Evol 44:563-79. 2003.... - Reconstructing the mechanics of quadrupedalism in an extinct hominoidY Li
Department of Human Anatomy and Cell Biology, University of Liverpool, Liverpool, UK
Z Morphol Anthropol 83:265-74. 2002..It may reasonably be assumed that Proconsul's quadrupedal mode was similar to that of living macaques... 
The biomechanics of leaping in gibbonsA J Channon
Department of Human Anatomy and Cell Biology, School of Biomedical Sciences, University of Liverpool, Ashton Street, Liverpool, UK
Am J Phys Anthropol 143:403-16. 2010....- Dimensions and moment arms of the hind- and forelimb muscles of common chimpanzees (Pan troglodytes)S K Thorpe
Department of Human Anatomy and Cell Biology, New Medical School, University of Liverpool, Liverpool, L69 3GE United Kingdom
Am J Phys Anthropol 110:179-99. 1999..These differences in muscle architecture and function help to explain why chimpanzees are restricted in their ability to walk, and particularly to run bipedally... - Optimum ratio of upper to lower limb lengths in hand-carrying of a load under the assumption of frequency coordinationW J Wang
Department of Human Anatomy and Cell Biology, The University of Liverpool, L69 3BX, Liverpool, UK
J Biomech 36:249-52. 2003..Under reduced selection pressure for hand-carrying, but unreduced selection for mechanical effectiveness, we might expect humans to evolve a longer upper limb, to improve swing symmetry when unloaded... - Nonlinear spatial warping for between-subjects pedobarographic image registrationT C Pataky
HACB, University of Liverpool, UK
Gait Posture 29:477-82. 2009..001). These data demonstrate that nonlinear spatial warping is necessary for robust between-subject pedobarographic image registration and, by extension, robust homologous data comparison at the pixel level... - Stresses in human leg muscles in running and jumping determined by force plate analysis and from published magnetic resonance imagesS K Thorpe
Department of Human Anatomy, Liverpool University, New Medical School, Liverpool L69 3GE, UK
J Exp Biol 201:63-70. 1998..These stresses are lower than those previously calculated from cadaveric data, but are in the range expected from physiological experiments on isolated muscles... - Size and power required for motion with implication for the evolution of early hominidsW J Wang
Department of Human Anatomy and Cell Biology, The University of Liverpool, L69 3BX, Liverpool, UK
J Biomech 36:1237-46. 2003..If mobility and stability under loading are the selective criteria, however, human size should not substantially increase in the future... - Does footprint depth correlate with foot motion and pressure?K T Bates
Evolutionary Morphology and Biomechanics Research Group, Department of Musculoskeletal Biology, Institute of Aging and Chronic Disease, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, UK
J R Soc Interface 10:20130009. 2013..Overall, our results indicate that extreme caution is required when applying the 'depth equals pressure' paradigm to hominin footprints, and by extension, those of other extant and extinct tetrapods... - Origin of human bipedalism as an adaptation for locomotion on flexible branchesS K S Thorpe
School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Science 316:1328-31. 2007..Human bipedalism is thus less an innovation than an exploitation of a locomotor behavior retained from the common great ape ancestor... - Morphological analysis of the hindlimb in apes and humans. II. Moment armsR C Payne
Royal Veterinary College, North Mymms, Hatfield, Herts, UK
J Anat 208:725-42. 2006..This study was performed on a small sample of apes and thus differences noted here warrant further investigation in larger populations... - Stresses exerted in the hindlimb muscles of common chimpanzees (Pan troglodytes) during bipedal locomotionS K S Thorpe
Department of Human Biology, University of Cape Town, Cape Town, South Africa
Folia Primatol (Basel) 75:253-65. 2004..During a slow walk, untrained chimpanzees were found to exert far greater muscle stresses than humans do when running at moderate speed, particularly in the muscles that extend the hip, because of the bent-hip, bent-knee posture... - Predicting the metabolic energy costs of bipedalism using evolutionary roboticsW I Sellers
Department of Human Sciences, Loughborough University, Loughborough LE11 3TU, UK
J Exp Biol 206:1127-36. 2003..In addition, the animations produced by this technique are qualitatively very convincing, which suggests that this may also be a useful technique for visualizing bipedal locomotion... - Assessing mechanical function of the zygomatic region in macaques: validation and sensitivity testing of finite element modelsK Kupczik
Hull York Medical School, The University of York, UK
J Anat 210:41-53. 2007..This has implications when investigating craniofacial growth and masticatory function but should generally be taken into account in functional analyses of the craniofacial system of both extant and extinct species... - Orangutans use compliant branches to lower the energetic cost of locomotionS K S Thorpe
School of Biosciences, University of Birmingham, Edgbaston, Birmingham B152TT, UK
Biol Lett 3:253-6. 2007..This study seems to be the first to show that elastic compliance in arboreal supports can be used to reduce the energetic cost of gap crossing... - Morphological analysis of the hindlimb in apes and humans. I. Muscle architectureR C Payne
Royal Veterinary College, North Mymms, Hatfield, UK
J Anat 208:709-24. 2006..Such an arrangement of muscle architecture would be useful for locomotion in a three dimensionally complex arboreal environment... - Automatic monitoring of primate locomotor behaviour using accelerometersW I Sellers
Department of Human Sciences, Loughborough University, Loughborough, UK
Folia Primatol (Basel) 75:279-93. 2004..Cyclic activities were less well characterised, but calibration should permit travel distance estimations equalling or bettering those from conventional techniques...