Medical Definition of dorsiflexion. : flexion in a dorsal direction; especially : flexion of the foot in an upward directionâcompare plantar flexion.
Willis Tower. The Willis Tower, built as and still commonly referred to as Sears Tower, is a 108-story, 1,450-foot (442.1 m) skyscraper in Chicago, Illinois, United States.
Map of Willis Tower. 233 S. Wacker Drive. Chicago, IL 60606. If you are trying to find Willis Tower (The Sears Tower), you have come to the right place. Our Willis Tower map is interactive, includes the streets and major attractions in the immediate area and can be easily zoomed, reformatted or repositioned to accommodate your needs.