The U.S. is widely considered the bastion of capitalism, and large parts of Scandinavia and Western Europe are considered socialist democracies. However, the truth is every developed country has some programs that are socialist. An extreme form of socialism is communism.
1 A sprain is abnormal stretching or tearing of a ligament that supports a joint. 2  A strain is abnormal stretching or tearing of a muscle or tendon. 3  Sprains and strains may be caused by repetitive activities or by a single event.
Like back strain, back sprains may trigger back muscle spasms. Healing time depends on the severity of the sprain. Most back sprains heal in six to eight weeks but it can take several months for complete recovery from a severe back sprain. Ligaments take longer to heal than muscles.hat is Back Strain. A muscle strain (or pulled muscle) is an overstretched or torn muscle. Back strain is the most common cause of back pain, especially lower back pain. Muscle strain is often caused by overuse of a muscle or overloading a muscle.