18 Questions
Which muscle is the MAIN muscle responsible for hip internal rotation?
Gluteus Medius
Which of the following is NOT a factor affecting hip range of motion?
Strength of the hip flexor muscles
What is the NORMAL active range of motion (AROM) for hip internal rotation?
0 - 45°
Which muscle is the MAIN muscle responsible for hip external rotation?
Piriformis
During a test of hip internal rotator muscle strength, which grade indicates the patient can complete the test range and hold the position without resistance?
Grade 3 (Fair)
What is the NORMAL active range of motion (AROM) for hip external rotation?
0 - 60°
Which of the following is NOT a substitution that should be avoided during short-sitting tests of hip internal rotation muscle strength?
Abducting the test hip
Which muscle is primarily responsible for hip external rotation?
Piriformis
What is the MOST important factor to consider when measuring true leg length?
Ensuring the pelvis is square and in balance
Which of the following best describes a Grade 2 (Poor) rating for hip external rotation muscle strength?
Patient externally rotates the hip through the available range
What is the MOST important consideration when measuring hip external rotation range of motion?
Setting the pelvis square and in balance
Why should special tests not be used alone to confirm a diagnosis?
Special tests should only be used in conjunction with other clinical findings
What grade is given when there is no palpable contraction of muscle during hip internal rotation assessment?
Grade 0
Which of the following muscles is NOT considered one of the hip external rotation main muscles?
Psoas Major
What should be avoided during performance of the short-sitting tests to prevent contamination of the test?
Lifting the pelvis on the side of the limb being tested
Which grade is given when a patient holds against moderate resistance during hip external rotation muscle strength assessment?
Grade 4
What factors affect hip range of motion according to the text?
Tension in the iliofemoral and pubofemoral ligaments
What is considered a normal AROM (active range of motion) for hip external rotation according to the text?
$0 - 45°$
Learn about the different grades used to assess hip internal rotation in patients, ranging from Grade 0 (Zero) to Grade 2 (Poor) with specific instructions for each grade. Understand how to detect palpable contractions and avoid patient substitutions during assessment.
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