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 were a longer version of the stack-heeled knee-length boots popular in the late 1970s and were usually worn over jeans. In the late 1980s, over-the-knee boots made a reappearance; these were loose-fitting, low-heeled styles in suede, often brightly colored or decorated with brocade. By 1990, Karl Lagerfeld had included thigh-length satin boots in his Fall/Winter Couture collection for Chanel, using the boots as an alternative to leggings; there was a brief vogue for thigh-length "riding boots” in the early 1990s and over-the-knee styles were intermittently popular throughout the first decade of the 21st century. In 2009, thigh-length boots were a