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The effect of harness suspension on a simulated maintenance task efficacy in the renewable energy industry. (2020)
Journal Article
STEWART, A.D., GARDINER, M., MACDONALD, J. and WILLIAMS, H. 2021. The effect of harness suspension on a simulated maintenance task efficacy in the renewable energy industry. Applied ergonomics [online], 90, article ID 103247. Available from: https://doi.org/10.1016/j.apergo.2020.103247

Building, bridge or wind turbine maintenance requires manual dexterity tasks by a specialist rope-access trained workforce via two principal means: harness suspension of individual workers from above, or deployment of a suspended platform or cradle f... Read More about The effect of harness suspension on a simulated maintenance task efficacy in the renewable energy industry..

Relative body weight and standardised brightness-mode ultrasound measurement of subcutaneous fat in athletes: an international multicentre reliability study, under the auspices of the IOC Medical Commission. (2019)
Journal Article
MÜLLER, W., FÜRHAPTER-RIEGER, A., AHAMMER, H., LOHMAN, T.G., MEYER, N.L., SARDINHA, L.B., STEWART, A.D., MAUGHAN, R.J., SUNDGOT-BORGEN, J., MÜLLER, T., HARRIS, M., KIRIHENNEDIGE, N., MAGALHAES, J.P., MELO, X., PIRSTINGER, W., REGUANT-CLOSA, A., RISOUL-SALAS, V. and ACKLAND, T.R. 2020. Relative body weight and standardised brightness-mode ultrasound measurement of subcutaneous fat in athletes: an international multicentre reliability study, under the auspices of the IOC Medical Commission. Sports medicine [online], 50(3), pages 597-614. Available from: https://doi.org/10.1007/s40279-019-01192-9

Introduction: Fat is a metabolic fuel, but excess body fat is ballast mass and therefore many elite athletes reduce body fat to dangerously low levels. Uncompressed subcutaneous adipose tissue (SAT) thickness measured by brightness-mode ultrasound (U... Read More about Relative body weight and standardised brightness-mode ultrasound measurement of subcutaneous fat in athletes: an international multicentre reliability study, under the auspices of the IOC Medical Commission..

The ability of adults of different size to egress through confined space apertures. (2019)
Journal Article
STEWART, A., NEVILL, A. and JOHNSON, C. 2019. The ability of adults of different size to egress through confined space apertures. Human factors [online], 61(6), pages 895-905. Available from: https://doi.org/10.1177/0018720818819384

Objective: To determine minimum egress apertures in healthy adults of different body size. Background: Body space requirements have traditionally been considered from an industrial perspective, facilitating safe confined-space working. However, incre... Read More about The ability of adults of different size to egress through confined space apertures..

A new waist-to-height ratio predicts abdominal adiposity in adults. (2018)
Journal Article
NEVILL, A.M., STEWART, A.D., OLDS, T. and DUNCAN, M.J. 2020. A new waist-to-height ratio predicts abdominal adiposity in adults. Research in sports medicine [online], 28(1), pages 15-26. Available from: https://doi.org/10.1080/15438627.2018.1502183

Our aim was to identify the best anthropometric index associated with waist adiposity. The six weight-status indices included body mass index (BMI), waist-to-hip ratio (WHR), waist-to-height ratio (WHTR), and a new waist-by-height0.5 ratio (WHT.5R).... Read More about A new waist-to-height ratio predicts abdominal adiposity in adults..

The effect of person order on egress time: a simulation model of evacuation from a neolithic visitor attraction. (2017)
Journal Article
STEWART, A., ELYAN, E., ISAACS, J., MCEWEN, L. and WILSON, L. 2017. The effect of person order on egress time: a simulation model of evacuation from a neolithic visitor attraction. Human factors [online], 59(8), pages 1222-1232. Available from: https://doi.org/10.1177/0018720817729608

Objective: The aim of this study was to model the egress of visitors from a Neolithic visitor attraction. Background: Tourism attracts increasing numbers of elderly and mobility-impaired visitors to our built-environment heritage sites. Some such sit... Read More about The effect of person order on egress time: a simulation model of evacuation from a neolithic visitor attraction..

The effect of pitched and vertical ladder ergometer climbing on cardiorespiratory and psychophysical variables. (2017)
Journal Article
BARRON, P.-J., BURGESS, K., COOPER, K. and STEWART, A.D. 2018. The effect of pitched and vertical ladder ergometer climbing on cardiorespiratory and psychophysical variables. Applied ergonomics [online], 66, pages 172-176. Available from: https://doi.org/10.1016/j.apergo.2017.09.001

This study aimed to assess whether modifying the pitch of a 75° ladder ergometer to vertical had a cardiorespiratory or psychophysical effect on climbing. Nine male participants climbed a ladder ergometer at 75° and subsequently at 90°, adjusted for... Read More about The effect of pitched and vertical ladder ergometer climbing on cardiorespiratory and psychophysical variables..

Shape change and obesity prevalence among male UK offshore workers after 30 years: new insight from a 3D scanning study. (2017)
Journal Article
STEWART, A.D., LEDINGHAM, R.L., FURNACE, G., WILLIAMS, H. and NEVILL, A.M. 2017. Shape change and obesity prevalence among male UK offshore workers after 30 years: new insight from a 3D scanning study. American journal of human biology [online], 29(4), article ID e22992. Available from: https://doi.org/10.1002/ajhb.22992

In 1984, male UK offshore workers had higher fat content and greater overweight- and obesity prevalence than the general population. Since then, body weight has increased by 19%, but - without accompanying anthropometric measures - their size increas... Read More about Shape change and obesity prevalence among male UK offshore workers after 30 years: new insight from a 3D scanning study..

Defying geometric similarity: shape centralization in male UK offshore workers. (2016)
Journal Article
STEWART, A.D., LEDINGHAM, R.J., FURNACE, G., WILLIAMS, H. and NEVILL, A.M. 2016. Defying geometric similarity: shape centralization in male UK offshore workers. American journal of human biology [online], 29(3), e22935. Available from: https://doi.org/10.1002/ajhb.22935

Objectives - Applying geometric similarity predictions of body dimensions to specific occupational groups has the potential to reveal useful ergonomic and health implications. This study assessed a representative sample of the male UK offshore workfo... Read More about Defying geometric similarity: shape centralization in male UK offshore workers..

The physiological effect of a 'climb assist' device on vertical ladder climbing. (2016)
Journal Article
BARRON, P.J., BURGESS, K., COOPER, K. and STEWART, A.D. 2017. The physiological effect of a 'climb assist' device on vertical ladder climbing. Ergonomics [online], 60(7), pages 1008-1013. Available from: http://doi.org/10.1080/00140139.2016.1244290

Climb assist systems claim to reduce strain when climbing ladders; however, no research has yet substantiated this. The purpose of this study was to assess the physiological and psychophysical effects of climb assist on 30 m ladder climbing at a mini... Read More about The physiological effect of a 'climb assist' device on vertical ladder climbing..

Variability in body size and shape of UK offshore workers: a cluster analysis approach. (2016)
Journal Article
STEWART, A., LEDINGHAM, R. and WILLIAMS, H. 2017. Variability in body size and shape of UK offshore workers: a cluster analysis approach. Applied ergonomics [online], 58, pages 265-272. Available from: https://doi.org/10.1016/j.apergo.2016.07.001

Male UK offshore workers have enlarged dimensions compared with UK norms and knowledge of specific sizes and shapes typifying their physiques will assist a range of functions related to health and ergonomics. A representative sample of the UK offshor... Read More about Variability in body size and shape of UK offshore workers: a cluster analysis approach..

Survival suit volume reduction associated with immersion: implications for buoyancy estimation in offshore workers of different size. (2016)
Journal Article
STEWART, A., LEDINGHAM, R., FURNACE, G., WILLIAMS, H. and COLESHAW, S. 2017. Survival suit volume reduction associated with immersion: implications for buoyancy estimation in offshore workers of different size. Ergonomics [online], 60(6), pages 844-850. Available from: https://doi.org/10.1080/00140139.2016.1188219

Rationale: It is currently unknown how body size affects buoyancy in submerged helicopter escape. Method: Eight healthy males aged 39.6±12.6year (mean±SD) with BMI 22.0–40.0kgm−2 wearing a standard survival (‘dry’) suit undertook a normal venting man... Read More about Survival suit volume reduction associated with immersion: implications for buoyancy estimation in offshore workers of different size..

Subcutaneous fat patterning in athletes: selection of appropriate sites and standardisation of a novel ultrasound measurement technique: ad hoc working group on body composition, health and performance, under the auspices of the IOC Medical Commission. (2015)
Journal Article
MÜLLER, W., LOHMAN, T.G., STEWART, A.D., MAUGHAN, R.J., MEYER, N.L., SARDINHA, L.B., KIRIHENNEDIGE, N., REGUANT-CLOSA, A., RISOUL-SALAS, V., SUNDGOT-BORGEN, J., AHAMMER, H., ANDERHUBER, F., FÜRHAPTER-RIEGER, A., KAINZ, P., MATERNA, W., PILSL, U., PIRSTINGER, W. and ACKLAND, T.R 2016. Subcutaneous fat patterning in athletes: selection of appropriate sites and standardisation of a novel ultrasound measurement technique: ad hoc working group on body composition, health and performance, under the auspices of the IOC Medical Commission. British journal of sports medicine [online], 50(1), pages 45-54. Available from: https://doi.org/10.1136/bjsports-2015-095641

Background: Precise and accurate field methods for body composition analyses in athletes are needed urgently. Aim: Standardisation of a novel ultrasound (US) technique for accurate and reliable measurement of subcutaneous adipose tissue (SAT). Method... Read More about Subcutaneous fat patterning in athletes: selection of appropriate sites and standardisation of a novel ultrasound measurement technique: ad hoc working group on body composition, health and performance, under the auspices of the IOC Medical Commission..

The ability of UK offshore workers of different body size and shape to egress through a restricted window space. (2015)
Journal Article
STEWART, A., LEDINGHAM, R., FURNACE, G., SCHRANZ, N. and NEVILL, A. 2016. The ability of UK offshore workers of different body size and shape to egress through a restricted window space. Applied ergonomics [online], 55, pages 226-233. Available from: https://doi.org/10.1016/j.apergo.2015.11.005

404 male offshore workers aged 41.4 (± 10.7 years) underwent 3D body scanning and an egress task simulating the smallest helicopter window emergency exit size. The 198 who failed were older (P < 0.01), taller (P < 0.05) and heavier (P < 0.0001) than... Read More about The ability of UK offshore workers of different body size and shape to egress through a restricted window space..

Body size and ability to pass through a restricted space: observations from 3D scanning of 210 male UK offshore workers. (2015)
Journal Article
STEWART, A., LEDINGHAM, R., FURNACE, G. and NEVILL, A. 2015. Body size and ability to pass through a restricted space: observations from 3D scanning of 210 male UK offshore workers. Applied ergonomics [online], 51, pages 358-362. Available from: https://doi.org/10.1016/j.apergo.2015.06.017

Offshore workers are subjected to a unique physical and cultural environment which has the ability to affect their size and shape. Because they are heavier than the UK adult population we hypothesized they would have larger torso dimensions which wou... Read More about Body size and ability to pass through a restricted space: observations from 3D scanning of 210 male UK offshore workers..

A biomechanical comparison of the traditional squat, powerlifting squat and box squat. (2012)
Journal Article
SWINTON, P.A., LLOYD, R., KEOGH, J.W.L., AGOURIS, I. and STEWART, A. 2012. A biomechanical comparison of the traditional squat, powerlifting squat and box squat. Journal of strength and conditioning research [online], 26(7), pages 1805-1816. Available from: https://doi.org/10.1519/JSC.0b013e3182577067

The purpose of this study was to compare the biomechanics of the traditional squat with two popular exercise variations, commonly referred to as the powerlifting squat and box squat. Twelve male powerlifters performed the exercises with 30, 50 and 70... Read More about A biomechanical comparison of the traditional squat, powerlifting squat and box squat..

Effect of load positioning on the kinematics and kinetics of weighted vertical jumps. (2012)
Journal Article
SWINTON, P.A., STEWART, A., LLOYD, R., AGOURIS, I. and KEOGH, J.W.L. 2012. Effect of load positioning on the kinematics and kinetics of weighted vertical jumps. Journal of strength and conditioning research [online], 26(4), pages 906-913. Available from: https://doi.org/10.1519/JSC.0b013e31822e589e

One of the most popular exercises for developing lower-body muscular power is the weighted vertical jump. The present study sought to examine the effect of altering the position of the external load on the kinematics and kinetics of the movement. Twe... Read More about Effect of load positioning on the kinematics and kinetics of weighted vertical jumps..

Kinematic and kinetic analysis of maximal velocity deadlifts performed with and without the inclusion of chain resistance. (2011)
Journal Article
SWINTON, P.A., STEWART, A.D., KEOGH, J.W.L., AGOURIS, I. and LLOYD, R. 2011. Kinematic and kinetic analysis of maximal velocity deadlifts performed with and without the inclusion of chain resistance. Journal of strength and conditioning research [online], 25(11), pages 3163-3174. Available from: https://doi.org/10.1519/JSC.0b013e318212e389

The purpose of this study was to investigate whether the deadlift could be effectively incorporated with explosive resistance training (ERT) and to investigate whether the inclusion of chains enhanced the suitability of the deadlift for ERT. Twenty-t... Read More about Kinematic and kinetic analysis of maximal velocity deadlifts performed with and without the inclusion of chain resistance..

A biomechanical analysis of straight and hexagonal barbell deadlifts using submaximal loads. (2011)
Journal Article
SWINTON, P.A., STEWART, A., AGOURIS, I., KEOGH, J.W.L. and LLOYD, R. 2011. A biomechanical analysis of straight and hexagonal barbell deadlifts using submaximal loads. Journal of strength and conditioning research [online], 25(7), pages 2000-2009. Available from: https://doi.org/10.1519/JSC.0b013e3181e73f87

The purpose of the investigation was to compare the kinematics and kinetics of the deadlift performed with 2 distinct barbells across a range of submaximal loads. Nineteen male powerlifters performed the deadlift with a conventional straight barbell... Read More about A biomechanical analysis of straight and hexagonal barbell deadlifts using submaximal loads..

Contemporary training practices in elite British powerlifters: survey results from an international competition. (2009)
Journal Article
SWINTON, P.A., LLOYD, R., AGOURIS, I. and STEWART, A., 2009. Contemporary training practices in elite British powerlifters: survey results from an international competition. Journal of strength and conditioning research [online], 23(2), pages 380-384. Available from: https://doi.org/10.1519/JSC.0b013e31819424bd

Training practices in elite British powerlifters: Survey results from an international competition. - The primary objective of this study was to investigate current powerlifting training methods in light of anecdotal evidence purporting increased sim... Read More about Contemporary training practices in elite British powerlifters: survey results from an international competition..

Correcting calf girth discriminates the incidence of falling but not bone mass by broadband ultrasound attenuation in elderly female subjects. (2002)
Journal Article
STEWART, A.D., STEWART, A. and REID, D.M. 2002. Correcting calf girth discriminates the incidence of falling but not bone mass by broadband ultrasound attenuation in elderly female subjects. Bone [online], 31(1), pages 195-198. Available from: https://doi.org/10.1016/S8756-3282(02)00811-6

Calf circumference has been cited as an independent risk factor for hip fracture. Correcting this measured girth for subcutaneous adipose tissue or fluid accumulation provides a more valid estimate of lean tissue, but has not been reported in elderly... Read More about Correcting calf girth discriminates the incidence of falling but not bone mass by broadband ultrasound attenuation in elderly female subjects..