Arthritis leads to joint locking because as cartilage wears away, the ends of the bones that form a joint become rough. With severe disease, bone rubs on bone. As the joint moves, the rough edges can catch on one another.
State of Texas. Home. Texas is a state located in the American South and Southwest regions of the United States of America. With an area of 261,797 square miles (678,051 km) and a population of 23.5 million in 254 counties, the state is second-largest in both area and population. About half the state's population resides in Dallas-Fort Worth and Houston metropolitan areas.
Location in the U.S. state of Texas: Texas's location in the U.S. Founded: July 13, 1846: Named for: Cherokee people: Seat: Rusk: Largest city: Jacksonville: Area â¢ Total: 1,062 sq mi (2,751 km 2) â¢ Land: 1,053 sq mi (2,727 km 2) â¢ Water: 9.3 sq mi (24 km 2), 0.9%: Population â¢ 50,845 â¢ Density: 48/sq mi (19/km 2) Congressional district: 5th