It's actually a humorous and instructive way to describe it. Rick -----Original Message----- From: Parkinson's Information Exchange Network [mailto:[log in to unmask]] On Behalf Of mschild Sent: Sunday, October 21, 2012 6:34 AM To: [log in to unmask] Subject: Re: Falling....help please > Actually, the center-of-gravity thing might be worth thinking about. Yes, in oder to walk you have to project your CoG forward. I cannot remember who defined walking as Ža series of falls narrowly avoidedŽ. maryse ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn