Latest news from Duxbury, MA collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: English (31.7%), Irish (13.8%), German (8.2%), Italian (5.0%), British (4.9%), Slovak (2.9%). Current Local Time: EST time zone. Incorporated in 1637. Elevation: 36 feet. Land area: 2.17 square miles.
Hinge joints allow movement in one direction, as seen in the knees  and elbows and fingers.    FUNCTION: The purpose of joints is to provide movement for the  body.
Types of Synovial Joints. The many synovial joints of the human body enable movement of various types, largely based on their shape. For example, the elbow and knees joints are classified as hinge joints and act like the hinges of a door, with one bone remaining stationary and the other bone moving along a single axis. The highly movable ball-and-socket joints of the shoulder and hip allow movement in all directions.