Maybe a simple pressure sensor?
It's a pressure tap front and back to get the differential pressure across your hand, or other body part. You sync it with video.
www.swimmingtechnology.com/.../
He sells them for $3,400 or so
Maybe a simple pressure sensor?
It's a pressure tap front and back to get the differential pressure across your hand, or other body part. You sync it with video.
www.swimmingtechnology.com/.../
He sells them for $3,400 or so
