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Intermittent Fasting for Athletes?

By John Corr BSc MSc It has been quite a few years since I first read about Dr. Michael Mosley and “Intermittent Fasting” (IF). Dr. Mosely utilised the “5 – 2” strategy (5 days normal eating – 2 days fasting). Since that time various forms of IF have been explored and several studies have been […]

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8 Reasons Women Need to Lift Heavy

Written by John Corr, Personal trainer and one of the owners at fitnessworxgym! 1. You’ll Torch Body Fat You may have been told that cardio is the ultimate fat burner, but that effect stops the minute you hop off the treadmill. Build MORE MUSCLE and you’ll keep your body burning fat all day long. According […]

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Valsalva Manoeuvre (VM)

Written by John Corr, Personal trainer and one of the owners at fitnessworxgym! The behaviour of breathing during resistance exercise is linked to the different phases of a lift. Generally lifters are recommended to exhale exhaling through the sticking point (the part of the lift with least mechanical advantage) during the concentric phase and inhale […]

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Effects Of Plyometric Training Volume And Training Surface On Explosive Strength

Written by John Corr, Personal trainer and one of the owners at fitnessworxgym! Plyometric exercises are used to increase explosive power, by means of the stretch-shortening cycle (SSC). A SSC is a rapid coupling between an eccentric and concentric muscle action. Plyometric training is highly effective, with the advantage of requiring reduced physical space, time, […]

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Relative Strength

Written by John Corr, Personal trainer and one of the owners at fitnessworxgym! Relative Strength has been extensively researched and reported upon. Any athlete/coach who has made even a modest effort to understand what contributes to making an athlete explosive will understand the need for high relative strength levels. Despite this we sometimes encounter athletes/players […]

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Success Story – Aine Cahill

In September 2013 John Corr PT in Fitnessworx was recommended to me as I wanted to adopt a more structured approach to training with the ultimate aim of one day completing an Ironman distance triathlon (3.8 km swim,180 km bike,42.2 km run).Having done some running myself during the summer and only ever completed Sprint Distance […]

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