Pelvic floor during childbirth.

Oblique view of woman lying on floor with legs raised extended, heels against wall. A pillow has been positioned under her right hip.

Sagittal view of abdominal wall showing needle insertion into peritoneum 2 cm. below the umbilicus at an oblique angle; at time of insertion caudal traction on overlying skin is applied. Insert: z-track formation after release of skin and removal of ne

Anterior view of the exposure of the left kidney and suprarenal gland. The spleen and the splenorenal ligament are turned anteriorly.

Femoral sheath. A. Femoral nerve and femoral sheath, anterior view. The three flat muscles of the abdominal wall are cut away from the superior border of the inguinal ligament, and the fascia lata is removed from the inferior border. The lateral margin of

Walls of pelvis minor, sagittal sections. A. Muscles and branches of pudendal nerve. Insert image indicates the direction of obturator internus.

Male pelvis, coronal sections through pelvis anterior to rectum. A. Dissection, view of anterior portion from behind.

Posterolateral view of the posterior wall. Latissimus dorsi muscle is partially reflected.

Sagittal view of extended arm from shoulder down to hand. Norplant implants are visible under skin on inside of upper arm in the area of the bicep muscle.

Anterolateral view of woman sitting in the tailor position. Legs are parallel with one ankle placed in front of (not on top of) the other. The woman is reading a piece of paper.

Great vessels, kidneys, and suprarenal glands are seen in an anterior view. Preitoneum and all digestive organs have been removed.

A. Levator ani, median section. The rectum, anal canal, and bulb of penis are removed from the specimen in Figure 3. 6A. The subcutaneous fibers of the external anal sphincter are reflected with forceps. puborectalis, lateral view. The puborectalis forms a

Muscles of the pelvic wall, sagittal view.