A self-contained system for measuring forces applied to the foot of a user includes a force sensor array positioned within the user's shoe between the foot and the inner sole of the shoe, the force sensor array including a multiplicity of individual force sensors arranged in a pattern that covers the...http://www.google.es/patents/US5323650?utm_source=gb-gplus-sharePatente US5323650 - System for continuously measuring forces applied to the foot
System for continuously measuring forces applied to the foot
