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What Causes Grey Marks Above Both Knees While Riding Cycle?

Hi, I am 47 and a keen cyclist. Sometimes during a ride, especially uphill, I get small, thumbprint size, grey marks above both knees. Maybe 3 on each side. They dont hurt, even when touched, and soon dissappear when I stop riding. Any ideas what this could be? Thank you

posted on Fri, 14 Mar 2014

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Sat, 23 Mar 2019 Answered on

Tue, 26 Mar 2019 Last reviewed on

Post as: Anonymous Non Anonymous

Keep me posted

Physical Therapist or Physiotherapist, Jay Indravadan Patel's Response

Hi,

As there are no possible symptoms recorded it shouldn't be bothered. this is nothing major. if anything major physiological disruption happening then the body will react and give symptoms like pain, swelling, etc.

The grey marks can be related to the muscle getting contractions and relaxation and deoxygenated blood flowing there will be moving from the capillaries might be noticed.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Jay Indravadan Patel,
Physical Therapist or Physiotherapist

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What Causes Grey Marks Above Both Knees While Riding Cycle?

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