Podcast
Questions and Answers
What is the range of passive flexion with a flexed knee at the hip joint?
What is the range of passive flexion with a flexed knee at the hip joint?
Which muscle is primarily responsible for hip extension and external rotation?
Which muscle is primarily responsible for hip extension and external rotation?
What is the maximum external rotation of the hip joint?
What is the maximum external rotation of the hip joint?
Which of the following muscles contributes to both flexion and abduction at the hip joint?
Which of the following muscles contributes to both flexion and abduction at the hip joint?
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What characterizes the hip joint's mobility compared to other joints in the body?
What characterizes the hip joint's mobility compared to other joints in the body?
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What does a positive Thomas Test indicate?
What does a positive Thomas Test indicate?
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Which factor is assessed during the Squat and Lunge test?
Which factor is assessed during the Squat and Lunge test?
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What does the Gluteal Test specifically assess?
What does the Gluteal Test specifically assess?
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In the Back Saver Sit and Reach Test, what does the distance from the fingers to the toes indicate?
In the Back Saver Sit and Reach Test, what does the distance from the fingers to the toes indicate?
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During the Gluteal Test for the gluteus medius, what is the position of the patient?
During the Gluteal Test for the gluteus medius, what is the position of the patient?
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What is the role of the hip joint complex?
What is the role of the hip joint complex?
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What is the passive flexion degree with the knee in the extended position?
What is the passive flexion degree with the knee in the extended position?
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Which hip joint muscle is NOT associated with flexion?
Which hip joint muscle is NOT associated with flexion?
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How many degrees of freedom does the hip joint have?
How many degrees of freedom does the hip joint have?
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What is the maximum degree of abduction at the hip joint?
What is the maximum degree of abduction at the hip joint?
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What does a positive outcome in the Thomas Test indicate?
What does a positive outcome in the Thomas Test indicate?
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Which significant condition can be assessed through the Squat and Lunge test?
Which significant condition can be assessed through the Squat and Lunge test?
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In the Gluteal Test for the gluteus major, what specific position is the patient in?
In the Gluteal Test for the gluteus major, what specific position is the patient in?
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What physical characteristic does the Back Saver Sit and Reach Test primarily assess?
What physical characteristic does the Back Saver Sit and Reach Test primarily assess?
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During the Gluteal Test for the gluteus medius, how is the patient positioned?
During the Gluteal Test for the gluteus medius, how is the patient positioned?
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Study Notes
Hip Joint Complex
- The hip joint is a ball-and-socket joint, crucial for balance.
- It has three degrees of freedom.
- Function position: 10° - 20°
- High mobility but limited strength for decoaptation.
- Second most mobile joint in the body.
Range of Motion
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FLEXION
- Active flexion (extended knee): 90°
- Active flexion (flexed knee): 120°
- Passive flexion (extended knee): 120°
- Passive flexion (flexed knee): 140°
-
EXTENSION
- Active extension (extended knee): 20°
- Active extension (flexed knee): 10°
- Passive extension (extended knee): 20°
- Passive extension (flexed knee): 30°
- ABDUCTION: 45°
- ADDUCTION: 10° - 15°
- INTERNAL ROTATION: 30° - 40°
- EXTERNAL ROTATION: 60°
Main Hip Muscles
- PSOAS MAJOR: Flexion and external rotation
- TFL (Tensor Fascia Latae): Flexion, abduction, and external rotation
- QUADRICEPS: Flexion
- ADDUCTORS: Flexion, adduction, and internal rotation
- SARTORIUS: Flexion, abduction, and internal rotation
- GLUTEUS MAJOR: Extension and external rotation
- GLUTEUS MEDIUS: Abduction and external rotation
- GLUTEUS MINOR: Adduction and internal rotation
- PYRAMIDALIS: Abduction and external rotation
- HAMSTRINGS: Extension
Tests
Thomas Test
- Purpose: Assessing for psoas tightness/shortening.
- Procedure: Patient supine, lifting one leg towards the chest.
- Positive Test: Limited leg lift, indicating potential tightness.
- Significance: Shortening or snapping of the psoas might be observed.
Squat and Lunge Test
- Purpose: Evaluating hip joint's alignment during movement.
- Procedure: Patient performs squats and lunges.
- Positive Test: Abnormal internal/external rotation, suggesting potential muscle weakness, anteversion, or retroversion issues.
- Significance: Neutral profile, anteversion, or retroversion issues can be identified.
Gluteal Test
-
Purpose: Evaluating gluteus muscle strength. Two tests possible :
- Gluteus Maximus: Patient prone, knee flexed (90°), external hip rotation, push to ceiling. Assessing for hip external rotation.
- Gluteus Medius: Patient lateral position, knee flexed (90°), abduction of hip. Assessing for hip abduction.
- Positive Test: Weakness detected in gluteus muscles.
- Significance: Possible muscle deficits are identified
Back Saver Sit and Reach Test
- Purpose: Assessing hamstring flexibility.
- Procedure: Patient seated, reaching towards their toes.
- Positive Test: Limited reach, implying potential hamstring tightness.
- Significance: Hamstring shortening is a potential finding.
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Description
This quiz explores the anatomy, range of motion, and main muscles associated with the hip joint complex. Learn about the functional capabilities and movements of this crucial ball-and-socket joint, as well as the specific muscles involved in its operation. Test your knowledge on hip flexion, extension, abduction, and more.
