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Dr K K Aggarwal

Some tips from HCFI

By Dr K K Aggarwal
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  1. Avoid walking, jogging or exercising outdoors when the air is hazy.
  2. Stay indoors in air-conditioned rooms, use air purifiers if available.
  3. People with already diagnosed respiratory problems should use N95 masks when stepping out.
  4. While travelling in cars, roll up the windows.
  5. Avoid places with high-vehicular density.
  6. People with asthma or COPD must take their medicines regularly, even in summer.

Exercise impact on the knee

By Dr K K Aggarwal
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Different exercises produce different impacts on the knee joints. The best and safest exercises causing minimum impact on the knee for patients post knee replacement or knee arthritis are walking, biking, hiking, riding an exercise bike, riding an elliptical trainer and walking on the treadmill. In sports one can play doubles tennis and not singles. One can also participate in downhill or cross–country skiing.

The maximum stress–producing exercises are jogging and golf swings.

Impact

  • Biking generates the least force, producing impact of about 1.3 times the person’s body weight.
  • Treadmill walking was next best, producing forces of 2.05 times the body weight.
  • Walking on level ground generated forces of 2.6 times the body weight.
  • A game of tennis produces forces of 3.1 to 3.8 times the body weight; serving produces the highest impact.
  • Jogging produced forces of 4.3 times body weight.
  • Golf swings produces forces of 4.5 times body weight on the forward knee and 3.2 times body weight in the opposite knee.