| This will protect the perineum and assist in extension of the head as the vertex passes the symphysis. |
| Necrotising fasciitis can affect any part of the body but the extremities, the perineum, and the truncal areas are the most commonly involved. |
| Eventually, yogis learn to isolate the perineum, a key area of sexual pleasure for both men and women. |
| In their descent, the testes may become lodged in the perineum, inguinal canal, or abdomen. |
| Fistulas commonly extend from the rectal sac to the perineum or genital tract in a female, or to the urinary tract in a male. |
| The head is at or on the perineum, and the sagittal suture is in the AP plane or rotated up to 45 degrees. |
