A patient lands on his hand. Initial radiographs do not show a fracture. His left limb is in a position of flexion at the knee and hip, with internal rotation and adduction of the hip. A patient has a disc herniation pressing on the 5th lumbar nerve root. How is motor function of the 5th lumbar nerve root.
Radiographs show only soft-tissue swelling.
He is tender at the distal aspect of the fibula. A patient presents with new onset low back pain. A patient has a displaced fracture near the fibular neck. An aspiration shows frank blood. Name two differences between rheumatoid arthritis and osteoarthrosis.