Balanitis xerotica obliterans (BXO) or Lichen sclerosus (LS) of the genitalia is a chronic and progressive inflammatory disorder involving the skin of the penis. It commonly affects the foreskin but may also affect the penis and urinary opening as well as the urine tube (urethra).
A long, thin, strap-like muscle; runs diagonal over anterior thigh. O- anterior superior iliac spine I- medial tibial surface A- flexes leg, flexes & laterally rotates thigh
The sartorius is a thin, but very long muscle. In fact, it is the longest muscle of the body, attaching to the hip and extending across the front thigh to attach to the inside of the knee. Because of its attachment points, the sartorius acts on the hip and knee joints.