Interesting Pink Dolphin Facts For Kids | Amazon River Dolphin. 1  The Amazon River dolphins belong to the superfamily of Platanistoidea. 2  These dolphins spend most of their time in freshwater and their size can be greater than humans. 3  The length of the Amazon River dolphins measure around 1.53 â 2.4 meters (5.0 â 7.9 feet).
Causes of Back Muscle Spasms Video. A muscle spasm is the body's method of protecting injured structures, or as a means to protect itself from injury. Muscle spasms in the back can be caused by a muscle strain, a sprained muscle, or an underlying condition. 1  Tweet.2  Print.n treating back muscle spasms, it is very important to diagnose the underlying problem. The treatment should be directed at the underlying problem. Unless the underlying problem is evaluated, discovered, and treated, the back muscle spasms will tend to recur.
Back pain can be a symptom of many different illnesses and conditions. The main cause of the pain can be a problem with the back itself or by a problem in another part of the body. In many cases, doctors can't find a cause for the pain. When a cause is found, common explanations include: 1  Stress or injury involving the back muscles, including back sprain or strain; chronic overload of back muscles caused by obesity; and short term overload of back muscles caused by any unusual stress, such as lifting or pregnancy.