Cluster of van der Wurff: SIJ Provocation The Cluster of van der Wurff is an almost equal alternative to the Cluster of Laslett that we presented yesterday. What is the difference then? The cluster of van der Wurff has a slightly lower sensitivity of 85% and a slightly better specificity of 79% for 3 out of 5 positive tests. However, the authors were slightly less strict in the application of the gold standard in which they considered a reduction of 50% of pain after a double nerve block confirm
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Cluster of van der Wurff: SIJ Provocation The Cluster of van der Wurff is an almost equal alternative to the Cluster of Laslett that we presented yesterday. What is the difference then? The cluster of van der Wurff has a slightly lower sensitivity of 85% and a slightly better specificity of 79% for 3 out of 5 positive tests. However, the authors were slightly less strict in the application of the gold standard in which they considered a reduction of 50% of pain after a double nerve block confirm
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SPINE ASSESSMENT SERIES PART 26: SIJ PROVOCATION CLUSTER OF LASLETT In comparison with the cluster of van der Wurff, the cluster of Laslett uses only 4 tests to rule in or rule out SIJ pain. The test criteria in the RCT of Laslett were a bit stricter, while the validity is almost identical. With 2 out of 4 positive tests (Sn: 88%, Sp:78%), SIJ pain is diagnosed, with 1/4 it is unprobable and with 0/4 positive tests, it can be completely ruled out. Absence of centralization (according to McKenzie
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SPINE ASSESSMENT SERIES PART 26: SIJ PROVOCATION CLUSTER OF LASLETT In comparison with the cluster of van der Wurff, the cluster of Laslett uses only 4 tests to rule in or rule out SIJ pain. The test criteria in the RCT of Laslett were a bit stricter, while the validity is almost identical. With 2 out of 4 positive tests (Sn: 88%, Sp:78%), SIJ pain is diagnosed, with 1/4 it is unprobable and with 0/4 positive tests, it can be completely ruled out. Absence of centralization (according to McKenzie
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DETERMINING THE SI JOINT AS SOURCE OF PAIN: CLUSTER OF VAN DER WURFF In order to determine if you patients's pain is coming from the SIJ you can perform the cluster of van der Wurff. With 3 or more out of 5 positive tests, the SIJ is probably the origin of pain (Sn: 85%, Sp: 79%) and vice versa (less than 3 positive tests --> SIJ pain less probable). So 3 or more positive tests results in a LR of 4.05, while 2 or less positive tests result in a LR- of 0.19. #SIJprovocation #SIJ | Physiotutors
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DETERMINING THE SI JOINT AS SOURCE OF PAIN: CLUSTER OF VAN DER WURFF In order to determine if you patients's pain is coming from the SIJ you can perform the cluster of van der Wurff. With 3 or more out of 5 positive tests, the SIJ is probably the origin of pain (Sn: 85%, Sp: 79%) and vice versa (less than 3 positive tests --> SIJ pain less probable). So 3 or more positive tests results in a LR of 4.05, while 2 or less positive tests result in a LR- of 0.19. #SIJprovocation #SIJ | Physiotutors
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Ben | Physio on Instagram: "💥 Laslett Cluster for SIJ Dysfunction 💥 (Part 1). 1️⃣ Sacral Thrust 2️⃣ SI Distraction If both tests are positive (reproduction of pain) then SIJ is likely the source. If one is positive and one negative — then the other tests part of the Laslett Cluster to be performed (all 4 should be performed regardless). Part 2 coming soon! #lowbackpain #sijointdysfunction #hippain #sacroiliacjointdysfunction #physiotherapy"
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Ben | Physio on Instagram: "💥 Laslett Cluster for SIJ Dysfunction 💥 (Part 1). 1️⃣ Sacral Thrust 2️⃣ SI Distraction If both tests are positive (reproduction of pain) then SIJ is likely the source. If one is positive and one negative — then the other tests part of the Laslett Cluster to be performed (all 4 should be performed regardless). Part 2 coming soon! #lowbackpain #sijointdysfunction #hippain #sacroiliacjointdysfunction #physiotherapy"
27K views3 months ago
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Kaison Uehara, SPT, CSCS | The Laslett cluster for low back (SIJ) pain 1) Distraction test 2) Thigh thrust test 3) Compression test 4) Sacral thrust test... | Instagram
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Kaison Uehara, SPT, CSCS | The Laslett cluster for low back (SIJ) pain 1) Distraction test 2) Thigh thrust test 3) Compression test 4) Sacral thrust test... | Instagram
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