Derryn Brown, a personal trainer at The Hundred Pilates Studio in Dubai, demonstrates the fourth exercise in our eight-part weekly series of workouts. Do this move alone or incorporate it into your own fitness routine. Go to <a href="http://www.thenational.ae/moveoftheweek">www.thenational.ae/moveoftheweek</a>, where we collect the workouts and post video demonstrations. <strong>1</strong>. Start by standing with feet together. Keep arms flat to your sides but relaxed, not stiff. <strong>2</strong>. Reverse lunge backwards and immediately spring back into a raised knee position. <strong>3</strong>.After maintaining the knee in a 90-degree position for a second, reverse back into the lunge position. Repeat 10 on each side. <strong>Top tip: </strong>For an advanced move, use hand-weights Follow us on <a href="https://www.facebook.com/thenationalArtsandLife">Facebook</a> for discussions, entertainment, reviews, wellness and news. Follow us
