OSTEOLOGY OF HIP BONE, SACRUM AND COCCYX Flashcards
Which bones form the pelvis?
Ilium, pubis and ischium
What separates the three bones that form the hip bone
Y shaped triradate ligament
Description of the ilium
Largest part of hip bone
What forms superior part of acetabulum?
Ilium
What are the thick medial portions responsible for?
Bearing weight
What serves as attachment of muscles of Ilium
Thin wing like posterolateral portions(ALAE)
What serves as attachment of ligaments and tendons of lower limbs
Anterior superior iliac spine and anterior inferior iliac spine
What is the inner surface of the ilium called
Illiac fossa
Joint formed by sacrum and ilium
sacroiliac joint
Where does the sciatic nerve pass?
Greater sciatic notch
What lies below acetabulum?
Obturator foramen
What forms posterolateral part of the hip bone?
Ischium
Ramus of the ischium fuses with inferior ramus of the pubis to form?
Ischiopubic ramus
What does the ischial spine do?
Separates the greater sciatic foramen from lesser sciatic foramen
What does the ischial tuberosity do?
Carries body weight
Provides proximal attachments for posterior muscles of the thigh
What is the anteromedial part of the hip bone?
Pubis
What forms the anterior part of acetabulum?
Pubis
What attachments does the pubis provide?
Proximal attachment of the medial muscles of the thigh
Pubic symphasis is formed by?
Symphysial surfaces
Oval or irregular triangular openning?
Obturator foramen
What closes the obturator foramen?
Obturator ligament
Large cup shaped socket on the lateral aspects of the hip bone
Acetabulum
Articulation between acetabulum and head of the femur
Hip joint
