Dr Surendra U Kamath
Osteoporosis is often called a "silent disease" because bone loss occurs slowly and painlessly without any early symptoms. Many people only discover the condition after a minor fall or sudden movement causes a painful bone fracture.
Many physical changes serve as red flags of osteoporosis that should never be ignored:
- Loss of Height: Shrinking by an inch or more over time can happen when the vertebrae in the spine weaken and compress.
- Stooped or Curved Posture: A forward curvature of the upper spine (kyphosis) occurs as spinal bones collapse.
- Sudden, Severe Back Pain: This can indicate a silent spinal compression fracture rather than a simple muscle strain.
- Fragility Fractures: Breaking a bone (most commonly the hip, wrist, shoulder, or spine) from a minor injury, such as a trip from standing height, is a primary indicator.
- Weakened Grip Strength - drop in hand strength can heavily correlate with overall low bone mineral density.
Major risk factors include:
- Age and Gender: Bone density naturally decreases with age. Postmenopausal women are at a significantly higher risk due to a sharp drop in bone-protecting estrogen.
- Nutritional Deficienciest A long-term lack of calcium (the building block of bone) and Vitamin D (which helps the body absorb calcium) accelerates weakening.
- Sedentary Lifestyle: A lack of physical activity signals the body that it doesn't need to maintain heavy bone density.
- Lifestyle Choices: Tobacco use and excessive alcohol intake both directly impair bone cell health.
Diagnosis and Prevention
The most reliable way to identify bone thinning before a break occurs is a DEXA (Dual-Energy X-ray Absorptiometry scan. This quick, painless test measures the mineral density of bones and establishes personal fracture risk level.
Prevention relies on three pillars:
- Diet: Ensure adequate daily intake of calcium-rich foods (such as dairy, leafy greens, and fortified alternatives) and optimal Vitamin D status
- Exercise: Regular weight-bearing activities (like walking or jogging) combined with resistance training to actively stimulate bone growth and improve balance.
- Medical Guidance: Healthcare provider advice regarding screening intervals or bone-preserving medications if there is a family history or meets high-risk criteria.
(Dr Surendra U Kamath is a Senior Consultant Orthopaedics, KMC Hospital, Dr B R Ambedkar Circle, Mangaluru)