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A Brief Description Of The Biomechanics And Physiology Of A Strongman Event: The Tire Flip, Justin W.L. Keogh, Amenda L. Payne, Brad B. Anderson, Paul J. Atkins Apr 2010

A Brief Description Of The Biomechanics And Physiology Of A Strongman Event: The Tire Flip, Justin W.L. Keogh, Amenda L. Payne, Brad B. Anderson, Paul J. Atkins

Justin Keogh

The purpose of this study was to (a) characterize the temporal aspects of a popular strongman event, the tire flip; (b) gain some insight into the temporal factors that could distinguish the slowest and fastest flips; and (c) obtain preliminary data on the physiological stress of this exercise. Five resistance-trained subjects with experience in performing the tire flip gave informed consent to participate in this study. Each subject performed 2 sets of 6 tire flips with a 232-kg tire with 3 minutes of rest between sets. Temporal variables were obtained from video cameras positioned 10 m from the tire, perpendicular …


Strength And Coordination Training Are Both Effective In Reducing The Postural Tremor Amplitude Of Older Adults, Justin W.L. Keogh, Steve Morrison, Rod Barrett Dec 2009

Strength And Coordination Training Are Both Effective In Reducing The Postural Tremor Amplitude Of Older Adults, Justin W.L. Keogh, Steve Morrison, Rod Barrett

Justin Keogh

The current study investigated the effect of 2 different types of unilateral resistance training on the postural tremor output of 19 neurologically healthy men age 70–80 yr. The strength- (n = 7) and coordination-training (n = 7) groups trained twice a week for 6 wk, performing dumbbell biceps curls, wrist flexions, and wrist extensions, while the control group (n = 5) maintained their normal activities. Changes in index-finger tremor (RMS amplitude, peak, and proportional power) and upper limb muscle coactivation were assessed during 4 postural conditions that were performed separately with the trained and untrained limbs. The 2 training groups …