with the patient standing dagnostic 3 Attrtion öf disc - Füll approxlmatlon öf the vertebrai bodies following attrition öf dlsc allows posterior longi

with the patient standing dagnostic 3 Attrtion öf disc - Füll approxlmatlon öf the vertebrai bodies following attrition öf dlsc allows posterior longitudnal ligamenr to be unduly long Sciatica caused by standing due to compression causing posterior bulga of the disintegrated disc which is pushad back into position when posterior longirtudinal ligament is taughtened by lying down X-ray - Diminished joint space with marked anterior beaking at the affected level 4. Sacro-iliac arthrits- Altemation öf pain significant. ie.. pain comes in ona buttock and postenor thlgh, then it transfers tself to tha other side Signs of involvement öf 1st and 2nd säcral segments No lumbar signs Pressure on anterior iliac spines provokes pain in tha buttock SLR normal 5 Secondary deposits in spine - Gradually increasing central backacha, tendency to radiate to lower limö. soon to both Marked llmitation of movements at lumbar spine SLR öf füll ränge though painful at the extrems Multiradcular- signs in lower Iimbs muscle weakness billateral, unequal and marked 6 Benign spinal tumour - Progressiva increase in symptome Neurological signs more severe and progressive than in disc lesion if radograph shows srosion of bone and induction af epidural anaesthesia does not cause disappearance öf pain for the time being atumour is very prodably present 7 Major lesions in the butlock -such as acute osteomyelitis of ilium or üpper femur. ischio-recatl abscess pointing into buttock