Arises from the inner surface of ishcial tuberosity and the ischiopubic rami. Strictly skeletal muscle around the shaft of the penis. It helps flex the anus, and (in males) stabilize the erect penis or (in females) tense the vagina during orgasm. Kegel exercises (also known as pelvic floor exercises) can help tone the ischiocavernosus muscle.
IschiocavernosusIt inserts into corpus carvenosum:(crues of penis/clitoris), compresses the crus penis and deep dorsal vein, and retards the return of the blood through the veins, and thus serves to maintain the organ erect.