A derecho (/dÉËreÉªtÊoÊ/, from Spanish: derecho [deËÉ¾etÊo], straight) is a widespread, long-lived, straight-line wind storm that is associated with a land-based, fast-moving group of severe thunderstorms. Derechos can cause hurricane-force winds, tornadoes, heavy rains, and flash floods.
In human anatomy, a hamstring is one of the three posterior thigh muscles in between the hip and the knee. In quadrupeds, the hamstring is the single large tendon found behind the knee or comparable area.
The hamstring is three muscles, semitendinosis, semimembrinosis and the biceps femoris, located near the back of your legs and above your knees (See References).A hamstring can be pulled when the muscles are torn or stretched.This can be a common injury for golfers and can be caused by having bad form when swinging or putting too much pressure on the muscles when walking a course.he hamstring is three muscles, semitendinosis, semimembrinosis and the biceps femoris, located near the back of your legs and above your knees (See References).