Pelvic Bones
1. Four Bones of the Pelvis:
- Right hip
- Left hip
- Coccyx
- Sacrum
2. Three Divisions of the Hip Bone:
- Ilium
- Ischium
- Pubis
3. Innominate Bone:
- Another name for one half of the pelvic girdle, also known as the hip bone or ossa coxae.
4. Largest Foramen in the Body:
- Obturator foramen
Bony Landmarks
- Not a Palpable Bony Landmark:
- Lesser Trochanter (palpable landmarks include Greater Trochanter and Ischial Tuberosity)
Ischium Aspects
1. Two Aspects of the Ischium:
- Body
- Ramus
, Pelvic Divisions
1. Imaginary Plane Separating False from True Pelvis:
- Pelvis brim
2. True Pelvis:
- Lesser Pelvis
- Cavity
- Part that forms the actual birth canal
- Part found below the pelvic brim
3. False Pelvis:
- Greater Pelvis
- Supports the lower abdominal organs
- Formed primarily by the ala of the ilium
Pelvic Angles and Characteristics
1. Male Pelvis Characteristics:
- Pubic Angle: Acute angle, less than 90 degrees
- Heart-Shaped Inlet: Oval shape
- Pubic Arch: Acute (less than 90 degrees)
- Iliac Wings: Less flared
Femoral Anatomy
- Fovea Capitus: Small depression near the center of the femoral head where a ligament is attached.
Joint Positions
- Most Posterior Structure:
- Sacroiliac joints (compared to other structures like the union of the acetabulum and symphysis pubis).