Rheumatoid arthritis commonly affects the -
Ans. is 'a' i.e., Cervical spine o In decreasing frequency, the metacarpophalangeal (MCP), wrist, proximal interphalangeal (PIP), knee, metatarsophalangeal (MTP), shoulder, ankle, cervical spine, hip, elbow and temporomandibular joints are most commonly affected.
Rheumatoid Arthritis
Cervical spine
Thoracolumbar spine
Lumbar spine
Sacral spine
Cervical spine