Try Pyramid Yoga Pose (Parsvottanasana) to Sharpen Your Focus

This is a great 4-minute practice from the YogaAway videos series. Give it a try if you need to increase your focus during the day. Parsvottanasana stretches and strengthens the muscles of the legs and back. This yoga posture is also designed to workout your brain, as the left and right sided movements help to sharpen your focus.