They can live for as long as five years. The young are born hairless and helpless, and their eyes do not open until about 18 days after birth. They typically become sexually mature after the end of their first hibernation.hey can live for as long as five years. The young are born hairless and helpless, and their eyes do not open until about 18 days after birth. They typically become sexually mature after the end of their first hibernation.
A muscle knot is the lay term for what are also known as trigger points, sometimes abbreviated as TrP. These are sensitive points all over your body, but mostly on the back and neck that are particularly sensitive to irritation.
What causes knots in the muscles of the back and neck? We could delve deeply into the science and discuss muscle physiology, metabolic waste such as lactic acid, trigger points, myofascial pain, and all the little details involved hereâ¦but that is not my goal.