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Measurement of stride parameters using a wearable GPS and inertial measurement unit
Journal Article
Tan, H. L., Wilson, A. M., & Lowe, J. C. Measurement of stride parameters using a wearable GPS and inertial measurement unit. Journal of Biomechanics, 41(7), 1398-1406. https://doi.org/10.1016/j.jbiomech.2008.02.021

Both GPS and inertial measurement units (IMUs) have been extensively used in biomechanical studies. Expensive high accuracy GPS units can provide information about intrastride speed and position, but their application is limited by their size and cos... Read More about Measurement of stride parameters using a wearable GPS and inertial measurement unit.

Accuracy of the TurfTrax Racing Data System for determination of equine speed and position
Journal Article
Spence, A. J., Tan, H., & Wilson, A. M. Accuracy of the TurfTrax Racing Data System for determination of equine speed and position. Equine Veterinary Journal, 40(7), 680-683. https://doi.org/10.2746/042516408X330338

Reasons for performing study: The speed and position data collected by TurfTrax Racing Data Limited during UK Thoroughbred racing have potential to benefit equine science and welfare. The size (the 2006 data set alone consists of 30,932 individual ho... Read More about Accuracy of the TurfTrax Racing Data System for determination of equine speed and position.

Comparative anatomy and muscle architecture of selected hind limb muscles in the Quarter Horse and Arab
Journal Article
Crook, T. C., Cruickshank, S. E., McGowan, C. M., Stubbs, N., Wakeling, J. M., Wilson, A. M., & Payne, R. C. Comparative anatomy and muscle architecture of selected hind limb muscles in the Quarter Horse and Arab. Journal of Anatomy, 212(2), 144-152. https://doi.org/10.1111/j.1469-7580.2007.00848.x

The Quarter Horse (bred for acceleration) and the Arab (bred for endurance) are situated at either end of the equine athletic spectrum. Studies into the form and function of the leg muscles in human sprint and endurance runners have demonstrated that... Read More about Comparative anatomy and muscle architecture of selected hind limb muscles in the Quarter Horse and Arab.

Optimal muscle fascicle length and tendon stiffness for maximising gastrocnemius efficiency during human walking and running
Journal Article
Lichtwark, G. A., & Wilson, A. M. Optimal muscle fascicle length and tendon stiffness for maximising gastrocnemius efficiency during human walking and running. Journal of Theoretical Biology, 252(4), 662-673. https://doi.org/10.1016/j.jtbi.2008.01.018

Muscles generate force to resist gravitational and inertial forces and/or to undertake work, e.g. on the centre of mass. A trade-off in muscle architecture exists in muscles that do both; the fibres should be as short as possible to minimise activati... Read More about Optimal muscle fascicle length and tendon stiffness for maximising gastrocnemius efficiency during human walking and running.

High-speed gallop locomotion in the Thoroughbred racehorse. II. The effect of incline on centre of mass movement and mechanical energy fluctuation
Journal Article
Parsons, K. J., Pfau, T., Ferrari, M., & Wilson, A. M. High-speed gallop locomotion in the Thoroughbred racehorse. II. The effect of incline on centre of mass movement and mechanical energy fluctuation. Journal of Experimental Biology, 211(6), 945-956. https://doi.org/10.1242/jeb.006692

During locomotion on an incline, mechanical work is performed to move an animal up the slope and increase the potential energy ( PE) of the trunk and hence the centre of mass ( CoM). Thus, at a given speed the total net mechanical work increases with... Read More about High-speed gallop locomotion in the Thoroughbred racehorse. II. The effect of incline on centre of mass movement and mechanical energy fluctuation.

High-speed gallop locomotion in the Thoroughbred racehorse. I. The effect of incline on stride parameters
Journal Article
Parsons, K. J., Pfau, T., & Wilson, A. M. High-speed gallop locomotion in the Thoroughbred racehorse. I. The effect of incline on stride parameters. Journal of Experimental Biology, 211(6), 935-944. https://doi.org/10.1242/Jeb.006650

During locomotion up an incline, power is required to elevate the centre of mass. This is provided when the animal's limbs are in contact with the ground. Measurements of stride timing variables from multiple limbs during high speed, over-ground loco... Read More about High-speed gallop locomotion in the Thoroughbred racehorse. I. The effect of incline on stride parameters.

A hidden Markov model-based stride segmentation technique applied to equine inertial sensor trunk movement data
Journal Article
Pfau, T., Ferrari, M., Parsons, K. J., & Wilson, A. M. A hidden Markov model-based stride segmentation technique applied to equine inertial sensor trunk movement data. Journal of Biomechanics, 41(1), 216-220. https://doi.org/10.1016/j.jbiomech.2007.08.004

Inertial sensors are now sufficiently small and lightweight to be used for the collection of large datasets of both humans and animals. However, processing of these large datasets requires a certain degree of automation to achieve realistic workloads... Read More about A hidden Markov model-based stride segmentation technique applied to equine inertial sensor trunk movement data.