'This week I am lucky to be joined by a trained Royal Marines Commando who has just come to the end of 18months taking Recruits through training at CTCRM.     He gives us some really useful info on where he\'s noticed common mistakes and what to ensure you prepare before coming. Well worth a listen for anyone thinking of joining the Royal Marines.    Instagram: instagram.com/seanlerwill Web: www.seanlerwill.com Twitter: @SeanLerwill Facebook: www.facebook.com/seanlerwill' 

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SEE ALSO: glute workout.. , barre , stability , legtoning , dumbbell workout , prenatal pilates , aesthetics , med , aerobic , health.