Ischial Tuberosity Pelvic Floor

The word ischial tuberosity has two parts ischial comes from ischium a pelvic bone and tuberosity is from a latin word tuber which means lump.

Ischial tuberosity pelvic floor.

Closeness to the ischial tuberosity results in the skin pulling taught and restricting deep palpation. The ischial tuberosity sometimes referred to as your sit bones is a natural shock absorber in your pelvis. When sitting the weight is frequently placed upon the ischial tuberosity. According to the journal hip pelvis pain in the pelvic area can occur due to small stress fractures in the pelvic bones.

The pelvic floor is composed of three muscle groups and may refer to the ischial tuberosities because of the insertion of the tendons of muscles or the sacrotuberous ligaments that bridge between the sacrum and the ischial tuberosity forming a strong attachment point for muscles of the pelvic floor. The pelvic floor is a dome shaped muscular sheet separating the pelvic cavity above from the perineal region below. The ischial tuberosity or tuberosity of the ischium tuber ischiadicum also known colloquially as the sit bones or sitz bones or as a pair the sitting bones is a large swelling posteriorly on the superior ramus of the ischium it marks the lateral boundary of the pelvic outlet. The ischial tuberosity is located near the lateral boundary of the pelvic outlet.

The complexity of ischial tuberosity pain syndrome or ischial tuberosity impingement can be seen in this view of the pelvic floor. The ischial tuberosity is the bony protrusion which takes the body s weight during sitting. This bony protuberance is covered by the gluteus maximus muscle when standing but shifts behind it when sitting. This cavity encloses the pelvic viscera bladder intestines and uterus in females 1.

The gluteus maximus which is the broad thick outermost muscle of the buttocks involved in the rotation and extension of the thigh covers the bony growth when standing however the superficial muscle shifts behind it when an individual sits. Learn more about the structure of your ischial tuberosity and what causes pain in that. Injured sacroiliac ligaments and sacrotuberous ligaments will contribute and cause ischial tuberosity pain syndrome and possibly entire pelvic floor dysfunction. Ischial tuberosity stress fracture from exercising.

In this case reposition the fingers more medial toward the rectum taking up some skin slack see figure. A stress fracture in your ischial tuberosity from exercising or from wear and tear is a common reason for buttock pain as well as pelvic bone pain when sitting. Ischial tuberosity perineal body reinforces action of deep transverse perineal muscle to stabilize perineal body deep branch of perineal.