Orthopedic Radiology Terms Quiz

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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?

The degree of acetabular dysplasia (A) Signup and view all the answers

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

Imply more dysplasia (B) Signup and view all the answers

What is the incorrect assumption regarding human function in kinesiology?

Function is only governed by structural biomechanics (A) Signup and view all the answers

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

Ischial tuberosity (C) Signup and view all the answers

What structure covers the femoral head?

Articular cartilage (D) Signup and view all the answers

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

Pubic symphysis (D) Signup and view all the answers

What does the crossover sign indicate in acetabular over coverage?

Retroverted position of the pelvis (B) Signup and view all the answers

From which landmark is the acetabular version angle measured?

Posterior rim of acetabulum (C) Signup and view all the answers

In acetabular protrusion, the femoral head is located:

Medial to Kohler's line (D) Signup and view all the answers

What does an alpha angle greater than 60 indicate?

Large bony anomaly (D) Signup and view all the answers

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

0-3 according to Tonnis and 1-4 according to Kellgren-Lawrence (D) Signup and view all the answers

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

Hip flexors and internal rotators (C) Signup and view all the answers

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

Primarily spin (B) Signup and view all the answers

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

Lateral (C) Signup and view all the answers

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

It indicates a possible SIJ dysfunction (C) Signup and view all the answers

What is the primary purpose of the Thomas Test?

To evaluate hamstring flexibility (C) Signup and view all the answers

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

Extended (C) Signup and view all the answers

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

To check for restrictions from other muscles like TFL (A) Signup and view all the answers

What does palpation of bony landmarks symmetry help in assessing?

Joint contractures (C) Signup and view all the answers

Which test is used to assess sciatic nerve tension?

SLR Slump Test (A) Signup and view all the answers

What should be assessed when performing the OBER test?

Hip rotation range of motion (B) Signup and view all the answers

Which movement is involved in the HE Log Roll Test?

Flexion, adduction, and internal rotation (A) Signup and view all the answers

What does the FABER test evaluate?

Joint impingement (B) Signup and view all the answers

What does the Quadrant Test primarily evaluate?

Hip OA and labral pathology (C) Signup and view all the answers

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

To diagnose femoroacetabular/labral pathology (A) Signup and view all the answers

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

Recreation of familiar deep groin/buttock pain (D) Signup and view all the answers

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

HE Log Roll Test (C) Signup and view all the answers

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

Lateral hip pain with anterior complaints (D) Signup and view all the answers

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

Posterior Inferior Impingement Test (B) Signup and view all the answers

Acetabular angle > 20 degrees

Indicates retroversion of the acetabulum.

LCEA > 39 degrees

Suggests a pincer deformity.