PAS 407 Knee and Hip Joints Exam Questions and Answers Rated A+

PAS 407 Knee and Hip Joints Exam Questions and Answers Rated A+ Hip - Answers the articulation between the acetabular fossa (lunate surface) and the head of the femur acetabular labrum - Answers lip of fibrocartilage that surrounds outer margin of the acetabulum on the hip bone. Deepens the joint and increases the surface area contact iliofemoral ligament - Answers strongest ligament in the body. Runs from the outer rim of the acetabulum up to the AIIS and spirals down anteriorly to the intertrochanteric line. Its fibers divide forming transverse and descending bands ( Y band ) ischiofemoral ligament - Answers Resists posterior displacement of femoral head pubofemoral ligament - Answers located anteromedially & inferiorly, limits excessive extension & abduction Originates off the inferior pubal femoral crest Limiting hyper abduction and dislocation of the femoral head during the action of performing the splits ligamentum capitis femoris - Answers -from the acetabular notch to the fovea capitis -provides blood vessels to the head of the femur -ligament to the head of the femur -protects the artery to the head of the femur avascular necrosis - Answers an area of bone tissue death caused by insufficient blood flow knee joint - Answers Made up of 3 separate bones -femur superiorly -tibia inferiorly -patella anteriorly Fibula - Answers Entirely separate from knee joint and plays no role in weight bearing function 3 articulations of knee joint - Answers -Medial tibiofemoral -patellofemoral ( found between the anterior articulating surface of the femur and posterior articulating surface of the patella) -Lateral tibiofibular cartilaginous discs - Answers Improve surface area contact and minimize pressure points between femur condyles and tibular condyles Knee joint standing - Answers Tibial shaft lies completely vertical Femoral shaft runs on an oblique angle from lateral to medial Weight distribution from the pelvis is initially directed laterally to femur and is then redirected medially to knee Q angle - Answers degree of angle when measureing from midpatella to ASIS and tibial tubercle. normal q angle is 13 degrees for man and 18 degrees for a woman. Genu varum (bowlegs) - Answers extra stress on LCL (fibular collateral ligament)