Alan M Wilson

Summary

Affiliation: Royal Veterinary College
Country: UK

Publications

  1. doi request reprint Intensity of activation and timing of deactivation modulate elastic energy storage and release in a pennate muscle and account for gait-specific initiation of limb protraction in the horse
    Glen A Lichtwark
    Structure and Motion Laboratory, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
    J Exp Biol 212:2454-63. 2009
  2. doi request reprint Locomotion dynamics of hunting in wild cheetahs
    A M Wilson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield AL9 7TA, UK
    Nature 498:185-9. 2013
  3. ncbi request reprint Horses damp the spring in their step
    A M Wilson
    Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Herts AL9 7TA, UK
    Nature 414:895-9. 2001
  4. pmc The anatomical arrangement of muscle and tendon enhances limb versatility and locomotor performance
    Alan Wilson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, London AL9 7TA, UK
    Philos Trans R Soc Lond B Biol Sci 366:1540-53. 2011
  5. ncbi request reprint Biomechanics: A catapult action for rapid limb protraction
    Alan M Wilson
    Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Herts AL9 7TA, UK
    Nature 421:35-6. 2003
  6. doi request reprint Mechanical and energetic scaling relationships of running gait through ontogeny in the ostrich (Struthio camelus)
    Nicola C Smith
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield AL9 7TA, UK
    J Exp Biol 216:841-9. 2013
  7. doi request reprint High speed galloping in the cheetah (Acinonyx jubatus) and the racing greyhound (Canis familiaris): spatio-temporal and kinetic characteristics
    Penny E Hudson
    Structure and Motion Laboratory, Royal Veterinary College, University of London, Hawkshead Lane, South Mymms AL9 7TA, UK
    J Exp Biol 215:2425-34. 2012
  8. pmc Functional anatomy of the cheetah (Acinonyx jubatus) forelimb
    Penny E Hudson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, UK
    J Anat 218:375-85. 2011
  9. ncbi request reprint Centre of mass movement and mechanical energy fluctuation during gallop locomotion in the Thoroughbred racehorse
    Thilo Pfau
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, AL9 7TA, UK
    J Exp Biol 209:3742-57. 2006
  10. pmc Pitch then power: limitations to acceleration in quadrupeds
    Sarah B Williams
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, Herts AL9 7TA, UK
    Biol Lett 5:610-3. 2009

Collaborators

Detail Information

Publications32

  1. doi request reprint Intensity of activation and timing of deactivation modulate elastic energy storage and release in a pennate muscle and account for gait-specific initiation of limb protraction in the horse
    Glen A Lichtwark
    Structure and Motion Laboratory, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
    J Exp Biol 212:2454-63. 2009
    ..We conclude that the equine biceps MTU acts as a tuneable spring and the contractile component functions to modulate the energy required for rapid forelimb protraction at different speeds...
  2. doi request reprint Locomotion dynamics of hunting in wild cheetahs
    A M Wilson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield AL9 7TA, UK
    Nature 498:185-9. 2013
    ..To our knowledge, this is the first detailed locomotor information on the hunting dynamics of a large cursorial predator in its natural habitat...
  3. ncbi request reprint Horses damp the spring in their step
    A M Wilson
    Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Herts AL9 7TA, UK
    Nature 414:895-9. 2001
    ..Furthermore, we show that the digital flexor muscles have minimal ability to contribute to or regulate significantly the 2.5-Hz cycle of movement, but are ideally arranged to damp these high-frequency oscillations in the limb...
  4. pmc The anatomical arrangement of muscle and tendon enhances limb versatility and locomotor performance
    Alan Wilson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, London AL9 7TA, UK
    Philos Trans R Soc Lond B Biol Sci 366:1540-53. 2011
    ..Here, we examine both published and new data to explore how muscles are arranged to deliver the wide repertoire of locomotor function and the trade-offs between performance and economy that result...
  5. ncbi request reprint Biomechanics: A catapult action for rapid limb protraction
    Alan M Wilson
    Structure and Motion Laboratory, Department of Veterinary Basic Sciences, The Royal Veterinary College, Hatfield, Herts AL9 7TA, UK
    Nature 421:35-6. 2003
  6. doi request reprint Mechanical and energetic scaling relationships of running gait through ontogeny in the ostrich (Struthio camelus)
    Nicola C Smith
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield AL9 7TA, UK
    J Exp Biol 216:841-9. 2013
    ..Mass-specific mechanical work per unit distance was independent of body mass, resulting in a small but significant increase in the contribution of elastic energy storage to locomotor economy in larger ostriches...
  7. doi request reprint High speed galloping in the cheetah (Acinonyx jubatus) and the racing greyhound (Canis familiaris): spatio-temporal and kinetic characteristics
    Penny E Hudson
    Structure and Motion Laboratory, Royal Veterinary College, University of London, Hawkshead Lane, South Mymms AL9 7TA, UK
    J Exp Biol 215:2425-34. 2012
    ..Our results demonstrate several features of galloping and highlight differences between the cheetah and greyhound that may account for the cheetah's faster maximum speeds...
  8. pmc Functional anatomy of the cheetah (Acinonyx jubatus) forelimb
    Penny E Hudson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, UK
    J Anat 218:375-85. 2011
    ..The large digital flexors and extensors observed in the cheetah forelimb may be used to dig the digits into the ground, aiding with traction when galloping and manoeuvring...
  9. ncbi request reprint Centre of mass movement and mechanical energy fluctuation during gallop locomotion in the Thoroughbred racehorse
    Thilo Pfau
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, AL9 7TA, UK
    J Exp Biol 209:3742-57. 2006
    ..Elastic energy storage in the limbs was small compared to the overall amplitude of fluctuation of external mechanical energy. Galloping at high speeds does not therefore fit classical spring mass mechanics...
  10. pmc Pitch then power: limitations to acceleration in quadrupeds
    Sarah B Williams
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, Herts AL9 7TA, UK
    Biol Lett 5:610-3. 2009
    ..At low speed, acceleration and deceleration may be limited by the geometric constraints of avoiding net nose-up or tail-up pitching, respectively. At higher speeds, muscle power appears to limit acceleration...
  11. pmc Flying in a flock comes at a cost in pigeons
    James R Usherwood
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, North Mymms, Hatfield AL9 7TA, UK
    Nature 474:494-7. 2011
    ..Indeed, the increased flap frequency, whether due to direct aerodynamic interactions or requirements for increased stability or control, suggests a considerable energetic cost to flight in a tight cluster flock...
  12. pmc Grip and limb force limits to turning performance in competition horses
    Huiling Tan
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, Hertfordshire AL9 7TA, UK
    Proc Biol Sci 278:2105-11. 2011
    ..During small radius turns the angular velocity of heading decreased with increasing speed in a manner consistent with the coefficient of friction of the hoof-surface interaction setting the limit to centripetal force to avoid slipping...
  13. ncbi request reprint Gait characterisation and classification in horses
    Justine J Robilliard
    Structure and Motion Laboratory, The Royal Veterinary College, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
    J Exp Biol 210:187-97. 2007
    ..Thus, LDA analysis has enabled common criteria to be discovered to accurately classify equine gaits on the basis of foot-fall timings on a stride-by-stride basis...
  14. pmc Walk-run classification of symmetrical gaits in the horse: a multidimensional approach
    Sandra D Starke
    Department of Veterinary Basic Sciences, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, UK
    J R Soc Interface 6:335-42. 2009
    ..The approaches presented here have potential to be extended to studies on similar 'ambling' gaits in other quadrupeds...
  15. ncbi request reprint Selfish-herd behaviour of sheep under threat
    Andrew J King
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, Hertfordshire AL9 7TA, UK
    Curr Biol 22:R561-2. 2012
    ..These results support the long-standing assertion that individuals can respond to potential danger by moving towards the centre of a fleeing group [2]...
  16. ncbi request reprint Mechanics of dog walking compared with a passive, stiff-limbed, 4-bar linkage model, and their collisional implications
    James R Usherwood
    The Royal Veterinary College, North Mymms, Hatfield, Herts, UK
    J Exp Biol 210:533-40. 2007
    ..Footfall timings and timing of mechanical energy fluctuations are consistent with strategies to reduce collisional forces, analogous to the suggested role of ankle extension as an efficient powering mechanism in human walking...
  17. ncbi request reprint A method for deriving displacement data during cyclical movement using an inertial sensor
    Thilo Pfau
    Structure and Motion Laboratory, The Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
    J Exp Biol 208:2503-14. 2005
    ..6, 6.2), (-4.0, 3.8) and (-4.5, 5.1) for x, y and z displacement, respectively, during canter locomotion. This corresponds to (-3.2, 5.5)%, (-6.7, 6.3)% and (-3.3, 3.7)% of the range of motion...
  18. pmc Speed, pacing strategy and aerodynamic drafting in Thoroughbred horse racing
    Andrew J Spence
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield AL9 7TA, UK
    Biol Lett 8:678-81. 2012
    ....
  19. ncbi request reprint The effect of gait and digital flexor muscle activation on limb compliance in the forelimb of the horse Equus caballus
    M Polly McGuigan
    Structure and Motion Laboratory, Veterinary Basic Sciences, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
    J Exp Biol 206:1325-36. 2003
    ..These were 12.79 N kg(-1) body mass (BM) (range 12.07-13.73 N kg(-1) BM) for the lead forelimb and 15.23 N kg(-1) BM (13.51-17.10 N kg(-1) BM) for the non-lead forelimb...
  20. ncbi request reprint Mechanical evaluation of two crimp clamp systems for extracapsular stabilization of the cranial cruciate ligament-deficient canine stifle
    Andrew P Moores
    Departments of Veterinary Clinical Science and Veterinary Basic Sciences, Royal Veterinary College, London, UK
    Vet Surg 35:470-5. 2006
    ..To compare the mechanical properties and interoperator variabilities of 2 crimp clamp systems for extracapsular, fabello-tibial, nylon loop stabilization of the cranial cruciate ligament-deficient stifle in dogs...
  21. ncbi request reprint Mechanical evaluation of two loop tensioning methods for crimp clamp extracapsular stabilization of the cranial cruciate ligament-deficient canine stifle
    Andrew P Moores
    Departments of Veterinary Clinical Science and Veterinary Basic Sciences, Royal Veterinary College, London, UK
    Vet Surg 35:476-9. 2006
    ....
  22. ncbi request reprint A comparison of three-dimensional ultrasound, two-dimensional ultrasound and dissections for determination of lesion volume in tendons
    Marta Ferrari
    Structure and Motion Laboratory, Royal Veterinary College, Hatfield Hertfordshire, United Kingdom
    Ultrasound Med Biol 32:797-804. 2006
    ..It was not possible to define which one provided the most accurate value as a result of difficulties encountered in lesion identification on histology, and therefore the lack of a gold standard...
  23. pmc Functional anatomy of the cheetah (Acinonyx jubatus) hindlimb
    Penny E Hudson
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, UK
    J Anat 218:363-74. 2011
    ..The cheetah therefore possesses several unique adaptations for high-speed locomotion and fast accelerations, when compared to the racing greyhound...
  24. doi request reprint Ontogenetic scaling of locomotor kinetics and kinematics of the ostrich (Struthio camelus)
    Nicola C Smith
    The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, UK
    J Exp Biol 213:1347-55. 2010
    ..59)) were found to be accounted for by the positive allometric scaling of the limb during growth...
  25. ncbi request reprint Prediction of kinetics and kinematics of running animals using an analytical approximation to the planar spring-mass system
    Justine J Robilliard
    Structure and Motion Laboratory, The Royal Veterinary College, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
    J Exp Biol 208:4377-89. 2005
    ..Using this analytical solution not only the force profile but also the changes in mechanical energy can be calculated from easily observed morphological and kinematic data...
  26. doi request reprint The consistency of maximum running speed measurements in humans using a feedback-controlled treadmill, and a comparison with maximum attainable speed during overground locomotion
    Mark V Bowtell
    Structure and Motion Laboratory, Royal Veterinary College, London, UK
    J Biomech 42:2569-74. 2009
    ..Additional factors may, however, contribute to athletes running faster on a treadmill, for instance some aspect of stability or control...
  27. doi request reprint Upwash exploitation and downwash avoidance by flap phasing in ibis formation flight
    Steven J Portugal
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hatfield, Hertfordshire AL9 7TA, UK
    Nature 505:399-402. 2014
    ..We suggest that birds in V formation have phasing strategies to cope with the dynamic wakes produced by flapping wings...
  28. doi request reprint Data-loggers carried on a harness do not adversely affect sheep locomotion
    Hannah Hobbs-Chell
    Structure and Motion Laboratory, The Royal Veterinary College, University of London, Hawkshead Lane, Hertfordshire AL9 7TA, UK
    Res Vet Sci 93:549-52. 2012
    ....
  29. pmc Accounting for elite indoor 200 m sprint results
    James R Usherwood
    Structure and Motion Laboratory, The Royal Veterinary College Hawkshead Lane, North Mymms AL9 7TA, UK
    Biol Lett 2:47-50. 2006
    ..Even elite athletes appear constrained by limb forces...
  30. ncbi request reprint Biomechanics: no force limit on greyhound sprint speed
    James R Usherwood
    Structure and Motion Laboratory, The Royal Veterinary College, North Mymms, Hertfordshire AL9 7TA, UK
    Nature 438:753-4. 2005
    ..This supports the idea that greyhounds power locomotion by torque about the hips, so--just as in cycling humans--the muscles that provide the power are mechanically divorced from the structures that support weight...
  31. doi request reprint Measurement of stride parameters using a wearable GPS and inertial measurement unit
    Huiling Tan
    Structure and Motion Lab, The Royal Veterinary College, University of London, Hatfield, Herts, UK
    J Biomech 41:1398-406. 2008
    ..The stride frequency and vertical displacement calculated based on measurements from the low cost GPS/IMU units had an s.d. of 0.08 Hz and 0.02 m respectively, compared to measurements from high performance OEM4 GPS units...
  32. ncbi request reprint Mechanics of cutting maneuvers by ostriches (Struthio camelus)
    Devin L Jindrich
    Department of Kinesiology, Physical Education Building East 107B, Arizona State University, Tempe, AZ 85287 0404, USA
    J Exp Biol 210:1378-90. 2007
    ....