Yes.: It can indicate muscle growth from strengthening the quad muscles, or it can be Lactic Acid buildup, which will clear itself in a day or so.
Answered 6/26/2014
4.8k views
Matter of opinion: It's not that they should hurt, but it's not all that uncommon for them to hurt to some degree after running, especially if you are in a training mode. Stretch regularly and cut back a bit.
Answered 11/7/2013
4.8k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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