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· Sacrotuberous- Strong ligament extending from the ________ of the sacrum and coccyx to the ischial tuberosity.

________: The sacrotuberous and sacrospinous ligaments prevent the lower end of the sacrum and coccyx from being rotated upward at the sacroiliac joint by the weight of the body.

Pubic bone; Pubic symphysis

Hip bone below the pelvic inlet; Obturator membrane; Obturator internus muscle (Refer slides for OAIN)

Sacrum and coccyx; Piriformis muscle (Refer slides for OAIN)

Fibrous sheet that almost completely encloses the obturator foramen

Strong ligament extending from the lateral part of the sacrum and coccyx to the ischial tuberosity

Strong ligament extending from the lateral part of the sacrum and coccyx to the ischial spine

The sacrotuberous and sacrospinous ligaments prevent the lower end of the sacrum and coccyx from being rotated upward at the sacroiliac joint by the weight of the body

Separates pelvis from the perineum below

are located on the same vertical plane in the anatomical position

looser connective tissue investing the pelvic viscera (e.g., bladder, vagina, uterus, rectum)