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Published Work

Leaping and Accelerometry: A Theoretical Approach

Friday, 14 November 2008 14:51 Bill Sellers
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W. I. Sellers
 
 
Accelerometry has always been a popular method of monitoring locomotor activity but its use is becoming more widespread due to the easy availability of low cost, low power sensors. However one of the major problems with interpreting accelerometer data is that rotation of the sensor alters the output and obtaining independent orientation information is currently difficult. 
Last Updated on Saturday, 07 February 2009 22:28 Read more...
 

The energetic costs of load-carrying and the evolution of bipedalism

Tuesday, 01 January 2008 00:00 Bill Sellers
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J. C. WATSON, R. C. PAYNE, A. T. CHAMBERLAIN, R. K. JONES, W. I. SELLERS
Originally in Journal of Human Evolution (2008) vol. 54 (5) pp. 675-83. DOWNLOAD PDF 

The evolution of habitual bipedalism is still a fundamental yet unsolved question for paleoanthropologists, and carrying is popular as an explanation for both the early adoption of upright walking and as a positive selection pressure once a terrestrial lifestyle had been adopted. 
Last Updated on Monday, 10 November 2008 21:27 Read more...
 

New insights into the plantar pressure correlates of walking speed using pSPM

Tuesday, 01 January 2008 00:00 Bill Sellers
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New insights into the plantar pressure correlates of walking speed using pedobarographic statistical parametric mapping (pSPM).
T. PATAKY, P. CARAVAGGI, R. SAVAGE, D. PARKER, J. Y. GOULERMAS, W. I. SELLERS, R. H. CROMPTON
Originally in Journal of Biomechanics (2008) vol. 41 (9) pp. 1987-1994. DOWNLOAD PDF

This study investigates the relation between walking speed and the distribution of peak plantar pressure and compares a traditional ten-region subsampling (10RS) technique with a new technique: pedobarographic statistical parametric mapping (pSPM). 
Last Updated on Monday, 10 November 2008 21:26 Read more...
 

Locomotion and Predator Avoidance in Prosimian Primates

Monday, 01 January 2007 00:00 Bill Sellers
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A Consideration of Leaping Locomotion as a means of Predator Avoidance in Prosimian Primates 
R. H. CROMPTON, W. I. SELLERS
Originally in Primate Anti-Predator Strategies (ed. K. A. I. Nekaris & S. L. Gursky), pp. 127-145. New York: Springer 2007. DOWNLOAD PDF
 
Prosimian primates are unique among vertebrates for their leaping abilities, some small species being able to leap over four metres level, or attain height gain of over two metres; some larger species 8-10 metres level. 
Last Updated on Monday, 10 November 2008 21:27 Read more...
 

Estimating dinosaur maximum running speeds using evolutionary robotics

Monday, 01 January 2007 00:00 Bill Sellers
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W. I. SELLERS, P. L. MANNING

Originally in Proceedings Of The Royal Society B-Biological Sciences (2007) vol. 274 (1626) pp. 2711-2716. DOWNLOAD PDF

Note: The models and software used in this paper can be downloaded from the downloads section of this site. 

Maximum running speed is an important locomotor parameter for many animals - predators as well as prey - and is thus of interest to palaeobiologists wishing to reconstruct the behavioural ecology of extinct species. 

Last Updated on Wednesday, 11 February 2009 07:48 Read more...
 
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