Shake Your Leg

[pioneer]

Lack of blood flow is a common reason for lack of concentration. If you’ve been sitting in one place for awhile, bounce one of your legs for a minute or two. It gets your blood flowing and sharpens both concentration and recall.

source: www.ririanproject.com

[ms da binsi]

not only concentration...it prohibits the circulation through your legs and thus could cause blood clots that could cause embolism...

Specially when you are on the plane...not because you are stuck in the middle seat of two huge people...best excuse is going to the bathroom bisan dili kaihi-on...

unless you are taking on a business class...