I walk every day 2x's a day for 20 min, why do my legs look like they are getting bigger but firmer?

I also study what I drink.
Answers:

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Because as you're walking you're building muscle. You should be getting some really detailed calf muscles. Its not stout although they may look bigger, but I'd to some extent own big and firmer instead of smaller and flabby ;-)

Just asking thankfulness?

Muscle is growing.

Remember muscle weigh more than chubby ...

Help!! Answer this Please?

The muscle is getting bigger. Incorporate some cardio into your routine and and devour a smaller amount calories if you want to win rid of more podgy.