On Saturday May 13th the Hagley Museum and Library in Wilmington, Delaware (about 30 minutes from Philadelphia) will host "Design for the Hand", a seminar on ergonomics and design for the hand.
According to the IDSA Philly site:
"This event features presentations by Rachel Delphia of Carnegie Mellon and Carnegie Museum; Bryce Rutter, Ph.d. of Metaphase Design; and a design charette for attendees."
The event is scheduled from 11AM-3PM and pre-registration for IDSA members can be done through this form.