#ORTHO 1. MC Joint involved in Septic arthritis) : knee 2. MC Joint with Recurrent Dislocation : shoulder joint 3. Least common joint to undergo dislocation : knee 4. MC Joint & earliest joint involved in Gout : 1st MTP JOINT (metatarsophalangeal joint) 5. MC Joint involved in Osteochondritis dessicans : knee 6. MC Joint involved in Pseudogout : knee 7. MC Joint involved in Ankylosing Spondylitis : sacroiliac joint 8. MC Joint involved in Psoriatic Arthritis : DIP 9. MC Joint involved in Osteoarthritis : interphalangeal joint of thumb 10. MC Joint involved in Rheumatoid Arthritis : metacarpophalangeal joint