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.
The Willis Tower has landed another big tenant, with rail car leasing firm GATX planning to move its headquarters to the landmark skyscraper. Read More 233 South Wacker Drive Chicago, IL 60606