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
Behind the Front the album was "Karma", the album's second and final official single. All five music videos were included on the DVD "Behind the Bridge to Elephunk" (2004). "Behind the Front" received generally favorable reviews from music critics. Matt Conaway of AllMusic gave the album four out of five stars, stating: "Black Eyed Peas bring some positivity and fun back into hip-hop. Musically there is almost no realm this group does not touch -- right from the jump, the stylistic innocence of "Fallen Up," complete with striking guitar licks, sums up what BEP is all about." Behind the Front Behind the Front