Orthopedic Radiology Terms Quiz
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Questions and Answers

What is the significance of an acetabular angle greater than 20 degrees?

  • It implies pincer impingement.
  • It indicates femoral head containment.
  • It signifies mild dysplasia.
  • It suggests retroversion. (correct)
  • In the context of acetabular angles, what is the implication of a center edge angle (LCEA) greater than 39 degrees?

  • Moderate dysplasia
  • Mild dysplasia
  • Pincer deformity (correct)
  • Pincer impingement
  • How is acetabular inclination evaluated, and what is considered normal?

  • Evaluated by acetabular roof angle, normal range 3-13 degrees (correct)
  • Evaluated by acetabular index, normal range 33-38 degrees
  • Evaluated by acetabular index, normal range >47 degrees
  • Evaluated by center edge angle (LCEA), normal range >47 degrees
  • What does an acetabular index assessed on an anterior-posterior radiograph measure?

    <p>The degree of acetabular dysplasia</p> Signup and view all the answers

    What is the significance of an acetabular angle in the dysplastic range?

    <p>Imply more dysplasia</p> Signup and view all the answers

    What is the incorrect assumption regarding human function in kinesiology?

    <p>Function is only governed by structural biomechanics</p> Signup and view all the answers

    Where does the hamstring (HS) muscle group originate from?

    <p>Ischial tuberosity</p> Signup and view all the answers

    What structure covers the femoral head?

    <p>Articular cartilage</p> Signup and view all the answers

    In pelvic anatomy, what landmark joins the two rami from each hemi pelvis?

    <p>Pubic symphysis</p> Signup and view all the answers

    What does the crossover sign indicate in acetabular over coverage?

    <p>Retroverted position of the pelvis</p> Signup and view all the answers

    From which landmark is the acetabular version angle measured?

    <p>Posterior rim of acetabulum</p> Signup and view all the answers

    In acetabular protrusion, the femoral head is located:

    <p>Medial to Kohler's line</p> Signup and view all the answers

    What does an alpha angle greater than 60 indicate?

    <p>Large bony anomaly</p> Signup and view all the answers

    According to Tonnis and Kellgren-Lawrence scales, how do arthritic grading scales typically range?

    <p>0-3 according to Tonnis and 1-4 according to Kellgren-Lawrence</p> Signup and view all the answers

    In the hip joint, which muscles pass anterior to the hip axis?

    <p>Hip flexors and internal rotators</p> Signup and view all the answers

    What type of motion is primarily observed in the hip joint arthokinematics?

    <p>Primarily spin</p> Signup and view all the answers

    Where do the abductors pass in relation to the hip axis?

    <p>Lateral</p> Signup and view all the answers

    What is the significance of a leg length discrepancy of 5-6mm in palpation?

    <p>It indicates a possible SIJ dysfunction</p> Signup and view all the answers

    What is the primary purpose of the Thomas Test?

    <p>To evaluate hamstring flexibility</p> Signup and view all the answers

    What is the position of the opposite hip during the Thomas Test when assessing for rectus femoris length?

    <p>Extended</p> Signup and view all the answers

    Why is it important to monitor for substitution during hip flexion with knee extension in supine position?

    <p>To check for restrictions from other muscles like TFL</p> Signup and view all the answers

    What does palpation of bony landmarks symmetry help in assessing?

    <p>Joint contractures</p> Signup and view all the answers

    Which test is used to assess sciatic nerve tension?

    <p>SLR Slump Test</p> Signup and view all the answers

    What should be assessed when performing the OBER test?

    <p>Hip rotation range of motion</p> Signup and view all the answers

    Which movement is involved in the HE Log Roll Test?

    <p>Flexion, adduction, and internal rotation</p> Signup and view all the answers

    What does the FABER test evaluate?

    <p>Joint impingement</p> Signup and view all the answers

    What does the Quadrant Test primarily evaluate?

    <p>Hip OA and labral pathology</p> Signup and view all the answers

    In the context of hip assessments, what is the purpose of the FADIR test?

    <p>To diagnose femoroacetabular/labral pathology</p> Signup and view all the answers

    What is deemed a positive outcome in the Posterior Inferior Impingement Test?

    <p>Recreation of familiar deep groin/buttock pain</p> Signup and view all the answers

    Which test can help differentiate between intra-articular and extra-articular hip problems?

    <p>HE Log Roll Test</p> Signup and view all the answers

    What is a primary indicator for an anterior hip impingement during assessment?

    <p>Lateral hip pain with anterior complaints</p> Signup and view all the answers

    What special tests could indicate a diagnosis related to ischiofemoral impingement?

    <p>Posterior Inferior Impingement Test</p> Signup and view all the answers

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