If cycling gives you sore knees look into adjusting your saddle position. Where you get pain can give you clues to what adjustments are needed. And cereal fortification is mainly to replace what is taken out when making it..
The thing is it's not just cycling that makes it stiff, if I stand or sit with my leg in the same position for too long then the same thing happens.
The thing is it's not just cycling that makes it stiff, if I stand or sit with my leg in the same position for too long then the same thing happens.