Tendinous arch of levator ani
Arcus tendineus musculi levatoris ani · Šlachový oblouk zdvihače řiti
Fascia & connective tissue
Looks like
A thickened line of the fascia on the inner side wall of the pelvis, from the pubic bone to the ischial spine.
What it does
Gives the pelvic floor muscle (levator ani) its side attachment.
Keeping it well
Surgeons use it in repairs of pelvic organ prolapse; injury in childbirth can weaken its hold.