The Impact of Screen Time on Posture and Bone Health in Children

In today’s digital age, children spend hours daily on smartphones, tablets, TVs, and computers. While technology has benefits, excessive screen time can harm posture, muscle development, and bone health — especially during growth years.


1. How Screen Time Affects Posture

  • Forward head position – Constantly looking down at screens puts strain on the neck and upper back.
  • Rounded shoulders – Long hours in a slouched position weaken back muscles.
  • Lower back pain – Poor sitting habits increase stress on the spine.

2. Bone and Muscle Development Concerns

  • Less physical activity means weaker bones and muscles due to reduced weight-bearing exercises.
  • Vitamin D deficiency risk increases if children spend less time outdoors.
  • Poor balance and coordination due to lack of active play.

3. Long-Term Risks

If poor posture habits continue, children may face:

  • Chronic neck and back pain.
  • Abnormal spinal curves (e.g., kyphosis).
  • Reduced bone density over time.

4. Healthy Screen Habits for Kids

  • Follow the 20-20-20 rule – Every 20 minutes, look 20 feet away for 20 seconds.
  • Screen at eye level – Avoid looking down for long periods.
  • Supportive seating – Use chairs with proper back support and keep feet flat on the floor.
  • Limit screen time – For children under 5, keep it under 1 hour/day; for older kids, aim for under 2 hours/day (outside of schoolwork).

5. Encourage Active Breaks

  • Include stretching and light exercises every 30–40 minutes.
  • Promote outdoor games, cycling, and running to strengthen bones and muscles.

Bottom line: Screen time is part of modern life, but balanced use, good posture, and regular physical activity can protect your child’s posture and bone health.


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