<unk>  is an inflammation of the sacroiliac joint. Inflammation may occur in the region of the sacroiliac joint. This joint is relatively inflexible and connects the sacrum to the pelvis. It is associated with a variety of infectious or inflammatory conditions. Pain occurs either unilaterally or bilaterally in the low back, buttock and upper leg.
Sacroiliitis
Tendinitis
Shoulder arthritis
Lumbar hernia
Sciatic hernia
Femoral hernia
Osteochondritis
Knee dislocation