the lactic acid builds up
yes
The sartorius muscles extending from the front of thigh around the knee,the hamstrings,the calf muscles-Achilles tendons when overworked by too many sit ups produce lactic acid that makes the muscles sore.
your pants are to tight
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Aching is a 6 letter word that describes sore muscles.
it means your quadrocept is sore
Lactic acid settling in the muscles
no it can be spread if you eat or drink the same consumables as the cold sore person or if they touch their face and then touch you or a door knob and then you touch the door knob and then touch your face
little
No
they do get sore when it is time for the females PMS they get so sore that any touch to them hurts the female
Sore muscles are a sign you are over doing it. You should take it easy if you are just starting out, if not let your muscles gradually work out to getting what it is you wish to reach.