Untreated polyarthritis can lead to complications such as persistent body aches, joint deformity, and reduced mobility.

Thuong, 38, experienced elbow pain for a month before doctors diagnosed a partial rupture due to degeneration.

19-year-old Linh, suffering from severe scoliosis in his thoracic and lumbar spine, underwent surgery to have 17 screws implanted to straighten it.

Untreated sciatica can lead to spinal infections, tumors, loss of bladder control, nerve damage, and limited mobility.

Exercises like sit-ups, twisting, and deep squats put pressure on the spine, which can worsen a herniated disc.

People with osteoporosis can experience body aches, changes in body shape, and bone fractures from minor impacts.

Individuals with musculoskeletal disorders who contract shingles are at a heightened risk of postherpetic neuralgia, osteoporosis, fractures, and stroke.

Surgery is the last resort for treating flat feet after methods like physical therapy and orthotic shoes have proven ineffective.

Osteoporosis progresses silently with age, making bones brittle and prone to fracturing, increasing the risk of disability in older adults.

I have had a herniated disc for a long time, and recently I've also developed sciatica. What are the treatment options, and can sciatica heal on its own? (Nguyen My, TP HCM)

Sitting cross-legged, sitting upright, and leaning back in a chair can help alleviate sciatica pain and improve treatment effectiveness.

Duong, 31, experienced knee swelling and pain while playing badminton six months ago. His leg progressively weakened, unable to bend, and a recent examination revealed a torn anterior cruciate ligament (ACL).

My 67-year-old father has moderate osteoporosis. Can he exercise? Which exercises can improve bone quality? (Khanh Tran, Vinh Long)

I have sacroiliac joint pain. Is walking beneficial, or will it worsen my condition? What precautions should I take? (Ha My, Binh Duong)