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 has three cities with more than 1 million people: Dallas, Houston and San Antonio, which also rank as 10 of the most populous cities in the country. There are also 6 cities with a population over 500,000, including El Paso, Fort Worth and the capital Austin, which are among the 25 largest cities in the US.exas is the largest of the 48 contiguous US states and sits in the South Central part of the country along the US-Mexico border. Given its large surprise, which ranks 2nd in the nation, it's no surprise that Texas has a large population, which also ranks 2nd.