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Nov 26, 2023
The pelvis is a bony structure located at the base of the spine, between the abdomen and the lower limbs. It consists of several bones, including the two hip bones (ilium, ischium, and pubis), the sacrum, and the coccyx.
Surface anatomy of the pelvis can be observed and palpated externally. Here are some key features:
1. Iliac crest: This is the uppermost part of the hip bone and can be felt as a bony ridge on each side of the pelvis. It serves as a landmark for various anatomical measurements.
2. Anterior superior iliac spine (ASIS): These bony prominences are located at the front of the pelvis, just below the iliac crest. They can be easily palpated and are commonly used as reference points for measurements and anatomical landmarks.
3. Pubic symphysis: This is the joint where the two pubic bones meet at the front of the pelvis. It is a slightly movable joint and can be felt as a small, bony prominence.
4. Ischial tuberosities: These are the bony prominences located at the bottom of the pelvis, commonly known as the "sitting bones." They can be felt when sitting on a hard surface and provide support while sitting.
5. Sacrum and coccyx: The sacrum is a triangular bone located at the back of the pelvis, between the two hip bones. It can be felt as a bony ridge. Below the sacrum is the coccyx, also known as the tailbone, which is a small, curved bone.
These surface landmarks are important for various clinical assessments, such as determining the position of the fetus during pregnancy, evaluating hip joint function, and guiding injections or surgical procedures in the pelvic region.
Surface anatomy of the pelvis can be observed and palpated externally. Here are some key features:
1. Iliac crest: This is the uppermost part of the hip bone and can be felt as a bony ridge on each side of the pelvis. It serves as a landmark for various anatomical measurements.
2. Anterior superior iliac spine (ASIS): These bony prominences are located at the front of the pelvis, just below the iliac crest. They can be easily palpated and are commonly used as reference points for measurements and anatomical landmarks.
3. Pubic symphysis: This is the joint where the two pubic bones meet at the front of the pelvis. It is a slightly movable joint and can be felt as a small, bony prominence.
4. Ischial tuberosities: These are the bony prominences located at the bottom of the pelvis, commonly known as the "sitting bones." They can be felt when sitting on a hard surface and provide support while sitting.
5. Sacrum and coccyx: The sacrum is a triangular bone located at the back of the pelvis, between the two hip bones. It can be felt as a bony ridge. Below the sacrum is the coccyx, also known as the tailbone, which is a small, curved bone.
These surface landmarks are important for various clinical assessments, such as determining the position of the fetus during pregnancy, evaluating hip joint function, and guiding injections or surgical procedures in the pelvic region.
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