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A biomechanical analysis of straight and hexagonal barbell deadlifts using submaximal loads.
Swinton PA, Stewart A, Agouris I, Keogh JW, Lloyd R. Swinton PA, et al. J Strength Cond Res. 2011 Jul;25(7):2000-9. doi: 10.1519/JSC.0b013e3181e73f87. J Strength Cond Res. 2011. PMID: 21659894
Nineteen male powerlifters performed the deadlift with a conventional straight barbell and a hexagonal barbell that allowed the lifter to stand within its frame. ...The results demonstrate that the choice of barbell used to perform the deadlift has a signific …
Nineteen male powerlifters performed the deadlift with a conventional straight barbell and a hexagonal barbell that allowed th …
Contemporary training practices in elite British powerlifters: survey results from an international competition.
Swinton PA, Lloyd R, Agouris I, Stewart A. Swinton PA, et al. J Strength Cond Res. 2009 Mar;23(2):380-4. doi: 10.1519/JSC.0b013e31819424bd. J Strength Cond Res. 2009. PMID: 19197205
A 20-item survey was distributed to 32 elite British powerlifters at an International competition. The subject group included multiple national, international, and commonwealth champions and record holders. ...Contemporary powerlifters incorporate a variety of train
A 20-item survey was distributed to 32 elite British powerlifters at an International competition. The subject group included multipl
Kinematic and kinetic analysis of maximal velocity deadlifts performed with and without the inclusion of chain resistance.
Swinton PA, Stewart AD, Keogh JW, Agouris I, Lloyd R. Swinton PA, et al. J Strength Cond Res. 2011 Nov;25(11):3163-74. doi: 10.1519/JSC.0b013e318212e389. J Strength Cond Res. 2011. PMID: 21993040
All trials were performed on force platforms with markers attached to the barbell to calculate velocity and acceleration using a motion capture system. ...During MAX repetitions with a constant resistance, the mean length of the acceleration phase ranged from 73.2 ( …
All trials were performed on force platforms with markers attached to the barbell to calculate velocity and acceleration using a moti …
Effect of load positioning on the kinematics and kinetics of weighted vertical jumps.
Swinton PA, Stewart AD, Lloyd R, Agouris I, Keogh JW. Swinton PA, et al. J Strength Cond Res. 2012 Apr;26(4):906-13. doi: 10.1519/JSC.0b013e31822e589e. J Strength Cond Res. 2012. PMID: 22446664
Twenty-nine resistance-trained rugby union athletes performed maximal effort jumps with 0, 20, 40, and 60% of their squat 1 repetition maximum (1RM) with the load positioned (a) on the posterior aspect of the shoulder using a straight barbell and (b) at arms' length …
Twenty-nine resistance-trained rugby union athletes performed maximal effort jumps with 0, 20, 40, and 60% of their squat 1 repetition maxim …
A biomechanical comparison of the traditional squat, powerlifting squat, and box squat.
Swinton PA, Lloyd R, Keogh JW, Agouris I, Stewart AD. Swinton PA, et al. J Strength Cond Res. 2012 Jul;26(7):1805-16. doi: 10.1519/JSC.0b013e3182577067. J Strength Cond Res. 2012. PMID: 22505136
A range of significant kinematic and kinetic differences (p < 0.05) emerged between the exercises. The traditional squat was performed with a narrow stance, whereas the powerlifting squat and box squat were performed with similar wide stances (48.3 ± 3.8, 89.6 ±
A range of significant kinematic and kinetic differences (p < 0.05) emerged between the exercises. The traditional squat was perfo
Regression models of sprint, vertical jump, and change of direction performance.
Swinton PA, Lloyd R, Keogh JW, Agouris I, Stewart AD. Swinton PA, et al. J Strength Cond Res. 2014 Jul;28(7):1839-48. doi: 10.1519/JSC.0000000000000348. J Strength Cond Res. 2014. PMID: 24345969
This was achieved by using a regression approach to obtain linear models that combined anthropometric, strength, and other biomechanical variables. ...The athletes' ability to sprint, jump, and change direction was assessed using a 30-m sprint, vertical jump, and 50 …
This was achieved by using a regression approach to obtain linear models that combined anthropometric, strength, and other biomechani …
Defying geometric similarity: Shape centralization in male UK offshore workers.
Stewart AD, Ledingham RJ, Furnace G, Williams H, Nevill AM. Stewart AD, et al. Am J Hum Biol. 2017 May 6;29(3). doi: 10.1002/ajhb.22935. Epub 2016 Nov 1. Am J Hum Biol. 2017. PMID: 27801546
METHODS: A cross sectional sample was obtained across seven weight categories using quota sampling, to match the wider workforce. ...Each measurement was modeled using a body-mass power law (adjusting for age), to derive its exponent, which was compared against that …
METHODS: A cross sectional sample was obtained across seven weight categories using quota sampling, to match the wider workforce. ... …
Morphological and health-related changes associated with a 12-week self-guided exercise programme in overweight adults: a pilot study.
Stewart AD, Rolland C, Gryka A, Findlay S, Smith S, Jones J, Davidson IM. Stewart AD, et al. J Sports Sci. 2014;32(2):164-71. doi: 10.1080/02640414.2013.812791. Epub 2013 Sep 9. J Sports Sci. 2014. PMID: 24015874 Clinical Trial.
The present study piloted a self-guided programme for promoting PA and reducing sedentary behaviour in overweight individuals and measured its effect on a range of health outcomes. ...At baseline, mid-point and 12 weeks, eight participants wore activity monitors, an …
The present study piloted a self-guided programme for promoting PA and reducing sedentary behaviour in overweight individuals and mea …
The effect of pitched and vertical ladder ergometer climbing on cardiorespiratory and psychophysical variables.
Barron PJ, Burgess K, Cooper K, Stewart AD. Barron PJ, et al. Appl Ergon. 2018 Jan;66:172-176. doi: 10.1016/j.apergo.2017.09.001. Epub 2017 Sep 15. Appl Ergon. 2018. PMID: 28958426 Clinical Trial.
This study aimed to assess whether modifying the pitch of a 75° ladder ergometer to vertical had a cardiorespiratory or psychophysical effect on climbing. ...This may be explained by increased force production required to maintain balance in a vertical climbi …
This study aimed to assess whether modifying the pitch of a 75° ladder ergometer to vertical had a cardiorespiratory or psycho …
The physiological effect of a 'climb assist' device on vertical ladder climbing.
Barron PJ, Burgess K, Cooper K, Stewart AD. Barron PJ, et al. Ergonomics. 2017 Jul;60(7):1008-1013. doi: 10.1080/00140139.2016.1244290. Epub 2016 Oct 15. Ergonomics. 2017. PMID: 27745528
The purpose of this study was to assess the physiological and psychophysical effects of climb assist on 30 m ladder climbing at a minimum acceptable speed. ...A crossover study compared [Formula: see text]O(2), HR and RPE at a minimal acceptable climbing spee …
The purpose of this study was to assess the physiological and psychophysical effects of climb assist on 30 m ladder climbing at a min …
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