👉 The term "iliolumbar" refers to a group of bones that are located between the lumbar spine and the sacrum, which is the lower back bone. These bones are part of the pelvis and are involved in the development of the spinal cord. Iliolumbic muscles: The iliolumbals are one of the main muscles associated with the pelvic floor. These muscles help to support the pelvic floor and prevent it from becoming too tight or restricted. Pelvic Floor Disorders: Pel