John O’Hara

The prevalence, influential factors and mechanisms of relative age effects in UK Rugby League

Kevin Till, Stephen Cobley, Nick Wattie et al. · Scandinavian Journal of Medicine and Science in Sports · 2009 · 183 citations · Full text

Relative Age Effects, Rae Risk, Behavioral Sciences +12

Using anthropometric and performance characteristics to predict selection in junior UK Rugby League players

Kevin Till, John O’Hara, A W BRIGHTMORE et al. · Journal of science and medicine in sport · 2011 · 126 citations · Full text

Sport Engineering, Kinesiology, High-performance Sport +12

A longitudinal evaluation of anthropometric and fitness characteristics in junior rugby league players considering playing position and selection level

Kevin Till, Stephen Cobley, John O’Hara et al. · Journal of science and medicine in sport · 2012 · 86 citations · Full text

Selection Level, Physical Activity, Kinesiology +12

Three-Compartment Body Composition Changes in elite Rugby League Players During a Super League Season, Measured by Dual-Energy X-ray Absorptiometry

Jamie A Harley, Karen Hind, John O’Hara · The Journal of Strength and Conditioning Research · 2010 · 81 citations · Full text

Retrospective analysis of anthropometric and fitness characteristics associated with long-term career progression in Rugby League

Kevin Till, John O’Hara, David Morley et al. · Journal of science and medicine in sport · 2014 · 75 citations · Full text

Sport Physiology, Physical Activity, Kinesiology +12