Human leg the femur. All four muscles unite in a common tendon inserted into the patella from where the patellar ligament extends it down to the tibial tuberosity. Fibers from the medial and lateral vasti form two retinacula that stretch past the patella on either sides down to the condyles of the tibia. The quadriceps is "the" knee extensor, but the rectus femoris additionally flexes the hip joint, and articular muscle of the knee protects the articular capsule of the knee joint from being nipped during extension. The sartorius runs superficially and obliquely down on the anterior side of the thigh, from
Over-the-knee boot Over-the-knee boot Over-the-knee boots (or cuissardes, which include thighboots, top boots, hip-boots, and waders), "OTK boots", are long boots that fully or partly cover the knee. Originally created as a man's riding boot in the 15th century, in the latter part of the 20th century, the style was redefined as a fashion boot for women. Over-the-knee boots are also used as a work boot in circumstances requiring additional protection for the legs (e.g. fishing waders). Over-the-knee boots first became popular as riding boots for men in the 15th century, when the growing popularity of doublet and lightweight hose meant that