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
Extending along the anterior surface of the thigh are the four muscles of the quadriceps femoris group (vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris). These large muscles originate in the ilium and femur and insert on the tibia.... Anatomy Explorer.