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.
Texas is the second-largest U.S. state by both area and population, and the largest state in the contiguous United States. The name, based on the Caddo word âTejasâ meaning âfriendsâ or âalliesâ, was applied by the Spanish to the Caddo themselves and to the region of their settlement in East Texas.