Hip and Gluteal Region Flashcards
What are the 3 main areas with openings to structures within the lower limb?
Femoral triangle
Popliteal fossa
Tarsal tunnel
Describe the position of the greater sciatic notch
The curve where the sacrum and ala of ilium join
Describe the position of the lesser sciatic notch
The curve behind the pubic tubercle
What is the pectineal line?
The superior ridge on the superior pubic ramus
Where is the ischial spine?
A tubercle on the posterior side of the ischium
What forms the obturator foramen?
The hole formed by the ischium and pubis
Name the cartilage that joins the ilium, pubis and ischium at the acetabulum
Triradiate cartilage
Name the 4 iliac spines involved with the iliac crest
Anterior superior iliac spine
Anterior inferior iliac spine
Posterior superior iliac spine
Posterior inferior iliac spine
What separates the greater and lesser sciatic notch?
Ischial spine
Name the membrane that covers most of the obturator foramen?
Obturator membrane
What is the name of the gap in the obturator foramen?
Obturator canal
What is the name of the joining of the inferior pubic ramus and the ischial ramus?
Ischiopubic ramus
Where is the superior and inferior pubic ramus?
Superior pubic ramus attaches to the top of the pubic tubercle
Inferior pubic ramus attaches to bottom of pubic tubercle
What is Shenton’s line?
Imaginary line between the inferior border of the superior pubic ramus and the inferomedial border of the neck of the femur. Curved shape.
Should Shenton’s line be smooth or jagged?
It should be a smooth curve with nothing disrupting its path
What is the name of the condition where an infant does not have a smooth Shenton’s line?
Congenital dislocation of the hip (CDH)
Name the fibrocartilage surface found on the acetabulum
Acetabular labrum
Name the hyaline cartilage surface found superficial to the acetabular labrum
Lunate surface
Name the ligament that joins both ends of the lunate surface on acetabulum?
Transverse acetabular ligament
Name the branch of the obturator artery found within the hip joint
Acetabular branch of the obturator artery
What kind of cartilage is found on the surface head of femur?
Hyaline cartilage
What kind of cartilage is found on the surface head of femur?
Hyaline cartilage
What ind of membrane encloses the hip joint?
Synovial membrane
Name the intracapsular ligament of hip joint
Ligament of head of femur
Where does the ligament of head of femur attach?
Attaches to the acetabular fossa to the fovea of the femur. Encloses the acetabular branch of the obturator artery.
How many extra capsular ligaments of the hip joint are there?
3
Name the 3 extra capsular ligaments
Iliofemoral
Pubofemoral
Ischiofemoral
Name the 3 extra capsular ligaments
Iliofemoral
Pubofemoral
Ischiofemoral
Where does the iliofemoral ligament attach?
ASIS to the intertrochantric line of femur. Y shaped, prevents hyperextension
Where does the pubofemoral ligament attach?
Superior pubic rami to the intertrochantric line of femur. Triangular shoed, prevents excessive abduction and extension
Where does the ischiofemoral ligament attach?
Body of ischium to the greater trochanter of femur. Spiral on posterior side, prevents excessive extension
Where is the greater trochanter of the femur?
Projection on the top anterior aspect of the femur, is angled superiorly
Where is the lesser trochanter of the femur?
Smaller projection on the posterior medial side of femur
What is the intertrochanteric line?
Ridge of bone that runs on anterior of femur between the greater and lesser trochanter. Quadrate tubercle is on this. After it passes lesser trochanter it becomes the pectineal line
What is the intertrochanteric crest?
Extension of the intertrochanteric line, ridge between the greater and lesser trochanter
Name the grooved line that the pectineal line joins diagonally on the posterior side of the femur
Linea aspera
Name the tuberosity that is a continuation of the intertrochanteric crest?
Gluteal tuberosity
What are the 2 types of femoral fracture that can occur to the neck of the femur?
Intracapsular fractures
Extrscapsular fractures
Which proximal femur fracture can disrupt the blood supply to the femur, causing avascular necrosis?
Intracapsular femur fracture
What is the name of the artery supply that would be cut off in an intracapsular proximal femur fracture?
Medial femoral circumflex artery
Name the ligament that divides the greater sciatic foramen and lesser sciatic foramen
Sacrospinous ligament
How many gateways are there to the lower limb?
6
List the 6 gateways to the lower limb
Abdominal cavity
Subinguinal space
Obturator canal
Greater sciatic foramen below piriformis muscle
Greater sciatic foramen above the piriformis muscle
Lesser sciatic foramen
Name the structures that pass through the subinguinal space
Femoral nerve
Psoas major
Iliacus
Pectineus muscles
Femoral artery
Femoral vein
Lymphatics
Femoral branch of genitofemoral nerve
Lateral cutaneous nerve of thigh