The Missouri and the lower Mississippi are usually considered as a single waterway, which is among the longest in the world. The <b>Missouri River</b> starts in Montana and flows generally east and south for <b>2540 miles</b> before flowing into the Mississippi River, the second longest river in the United States. The Mississippi River (the <i>largest</i> river system) flows from Minnesota to the Gulf of Mexico.
Knee. The knee is a complex pivotal hinge joint that connects the bones in the upper and lower leg, comprised of muscle, ligaments, tendons, and the meeting of four bones: the femur, tibia, fibula, and patella. It is the largest joint in the body. Read More.
Knee Function. The main function of your hamstrings is to bend your knees. This movement is performed during daily activities such as walking, running, climbing stairs and jumping. Your hamstrings also help rotate your lower leg. Two hamstrings attached to the inside of your knee rotate your lower leg inward.