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All Outputs (103)

FINITE ELEMENT ANALYSIS OF TISSUES WRAPPING AROUND THE KNEE JOINT OF OSTRICHES (STRUTHIO CAMELUS) (2015)
Journal Article
Chadwick, K. P., Allen, V. R., & Hutchinson, J. R. (2015). FINITE ELEMENT ANALYSIS OF TISSUES WRAPPING AROUND THE KNEE JOINT OF OSTRICHES (STRUTHIO CAMELUS). FASEB Journal, 29(1),

Mechanical stimulation is accepted to play some role in the development of sesamoid bones, however with great variability in occurrence, it is not yet clear how significant this role is and what specific loading environment fosters or hinders growth.... Read More about FINITE ELEMENT ANALYSIS OF TISSUES WRAPPING AROUND THE KNEE JOINT OF OSTRICHES (STRUTHIO CAMELUS).

DEVELOPING, TESTING AND OPTIMISING A MOUSE HINDLIMB MUSCULOSKELETAL MODEL (2015)
Journal Article
Charles, J. P., Cappellari, O., Spence, A., Wells, D. J., & Hutchinson, J. R. (2015). DEVELOPING, TESTING AND OPTIMISING A MOUSE HINDLIMB MUSCULOSKELETAL MODEL. FASEB Journal, 29,

Stability during locomotion arises from many complex interactions which are not yet fully understood. Studies into how sensory feedback from muscle spindles contributes to this have used neuromechanical simulations, however their accuracy is limited... Read More about DEVELOPING, TESTING AND OPTIMISING A MOUSE HINDLIMB MUSCULOSKELETAL MODEL.

Structure, ontogeny and evolution of the patellar tendon in emus (Dromaius novaehollandiae) and other palaeognath birds (2015)
Journal Article
Regnault, S., Pitsillides, A. A., & Hutchinson, J. R. (2015). Structure, ontogeny and evolution of the patellar tendon in emus (Dromaius novaehollandiae) and other palaeognath birds. https://doi.org/10.7717/peerj.711

The patella (kneecap) exhibits multiple evolutionary origins in birds, mammals, and lizards, and is thought to increase the mechanical advantage of the knee extensor muscles. Despite appreciable interest in the specialized anatomy and locomotion of p... Read More about Structure, ontogeny and evolution of the patellar tendon in emus (Dromaius novaehollandiae) and other palaeognath birds.

Ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (Dromaius novaehollandiae) (2014)
Journal Article
Lamas, L., Main, R. P., & Hutchinson, J. R. (2014). Ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (Dromaius novaehollandiae). https://doi.org/10.7717/peerj.716

Emus (Dromaius novaehollandiae) are exclusively terrestrial, bipedal and cursorial ratites with some similar biomechanical characteristics to humans. Their growth rates are impressive, as their body mass increases eighty-fold from hatching to adultho... Read More about Ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (Dromaius novaehollandiae).

Anatomical and biomechanical traits of broiler chickens across ontogeny. Part I. Anatomy of the musculoskeletal respiratory apparatus and changes in organ size (2014)
Journal Article
Tickle, P. G., Paxton, H. P., Rankin, J. W., Hutchinson, J. R., & Codd, J. R. (2014). Anatomical and biomechanical traits of broiler chickens across ontogeny. Part I. Anatomy of the musculoskeletal respiratory apparatus and changes in organ size. https://doi.org/10.7717/peerj.432

Genetic selection for improved meat yields, digestive efficiency and growth rates have transformed the biology of broiler chickens. Modern birds undergo a 50-fold multiplication in body mass in just six weeks, from hatching to slaughter weight. Howev... Read More about Anatomical and biomechanical traits of broiler chickens across ontogeny. Part I. Anatomy of the musculoskeletal respiratory apparatus and changes in organ size.

Regional variation in digital cushion pressure in the forefeet of horses and elephants (2014)
Journal Article
Warner, S. E., Henry, V., Roskilly, K., Hildebrandt, T., Panagiotopoulou, O., & Hutchinson, J. R. (2014). Regional variation in digital cushion pressure in the forefeet of horses and elephants. PeerJ PrePrints, https://doi.org/10.7287/peerj.preprints.231v1

In this study, we seek to understand how the digital cushion morphologies evident in horse and elephant feet influence internal and external foot pressures. Our novel use of invasive blood pressure monitoring equipment, combined with a pressure pad a... Read More about Regional variation in digital cushion pressure in the forefeet of horses and elephants.

Open data and digital morphology
Journal Article
Davies, T. G., Rahman, I. A., Lautenschlager, S., Cunningham, J. A., Asher, R. J., Barrett, P. M., …Donoghue, P. C. J. (in press). Open data and digital morphology. https://doi.org/10.1098/rspb.2017.0194

Over the past two decades, the development of methods for visualizing and analysing specimens digitally, in three and even four dimensions, has transformed the study of living and fossil organisms. However, the initial promise that the widespread app... Read More about Open data and digital morphology.

Ontogenetic scaling of foot musculoskeletal anatomy in elephants
Journal Article
Miller, C. E., Basu, C. K., Fritsch, G., Hildebrandt, T., & Hutchinson, J. R. Ontogenetic scaling of foot musculoskeletal anatomy in elephants. https://doi.org/10.1098/rsif.2007.1220

This study quantifies the shape change in elephant manus and pes anatomy with increasing body mass, using computed tomographic scanning. Most manus and pes bones, and manus tendons, maintain their shape, or become more gracile, through ontogeny. Cont... Read More about Ontogenetic scaling of foot musculoskeletal anatomy in elephants.

The movements of limb segments and joints during locomotion in African and Asian elephants
Journal Article
Ren, L., Butler, M., Miller, C. E., Paxton, H. P., Schwerda, D., Fischer, M. S., & Hutchinson, J. R. The movements of limb segments and joints during locomotion in African and Asian elephants. Journal of Experimental Biology, 211(17), 2735-2751. https://doi.org/10.1242/jeb.018820

As the largest extant terrestrial animals, elephants do not trot or gallop but can move smoothly to faster speeds without markedly changing their kinematics, yet with a shift from vaulting to bouncing kinetics. To understand this unusual mechanism, w... Read More about The movements of limb segments and joints during locomotion in African and Asian elephants.

The three-dimensional locomotor dynamics of African (Loxodonta africana) and Asian (Elephas maximus) elephants reveal a smooth gait transition at moderate speed
Journal Article
Ren, L., & Hutchinson, J. R. The three-dimensional locomotor dynamics of African (Loxodonta africana) and Asian (Elephas maximus) elephants reveal a smooth gait transition at moderate speed. https://doi.org/10.1098/rsif.2007.1095

We examined whether elephants shift to using bouncing (i.e. running) mechanics at any speed. To do this, we measured the three-dimensional centre of mass (CM) motions and torso rotations of African and Asian elephants using a novel multisensor method... Read More about The three-dimensional locomotor dynamics of African (Loxodonta africana) and Asian (Elephas maximus) elephants reveal a smooth gait transition at moderate speed.

Limb kinematics, kinetics and muscle dynamics during the sit-to-stand transition in greyhounds
Journal Article
Ellis, R. G., Rankin, J. W., & Hutchinson, J. R. (in press). Limb kinematics, kinetics and muscle dynamics during the sit-to-stand transition in greyhounds. Frontiers in Bioengineering and Biotechnology, https://doi.org/10.3389/fbioe.2018.00162

Standing up from a prone position is a critical daily activity for animals: failing to do so effectively may cause an injurious fall or increase predation susceptibility. This sit-to-stand behaviour (StS) is biomechanically interesting because it nec... Read More about Limb kinematics, kinetics and muscle dynamics during the sit-to-stand transition in greyhounds.

Energy allocation and behaviour in the growing broiler chicken
Journal Article
Tickle, P. G., Hutchinson, J. R., & Codd, J. R. (in press). Energy allocation and behaviour in the growing broiler chicken. https://doi.org/10.1038/s41598-018-22604-2

Broiler chickens are increasingly at the forefront of global meat production but the consequences of fast growth and selection for an increase in body mass on bird health are an ongoing concern for industry and consumers. To better understand the imp... Read More about Energy allocation and behaviour in the growing broiler chicken.