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.
Stretching Hamstrings is always a challenge. The hamstrings are a group of muscles in the back of your thigh that you use constantly to hold yourself upright. Hence, they are prone to becoming tight. They consist of the biceps femoris, semimembranosus, and the semitendinosus.tretching Hamstrings is always a challenge. The hamstrings are a group of muscles in the back of your thigh that you use constantly to hold yourself upright. Hence, they are prone to becoming tight. They consist of the biceps femoris, semimembranosus, and the semitendinosus.