Lactic acid causes muscles to ache
No, the acid causes more of a stomach ache.
He took an aspirin for the ache in his side.
Ache is a noun and a verb. Noun: I have an ache is my side. Verb: My side aches.
Sex
You could have appendicitice
Joints ache and bones are soft and tender.
Go see a doctor ASAP.
A side ache on the left side of your waist could be caused by exercise-induced muscle strain or cramp, poor posture, or digestion issues such as gas or bloating. It is commonly referred to as a "stitch" and typically resolves on its own with rest and proper hydration. If the pain persists or worsens, it is recommended to consult a healthcare professional for further evaluation.
the mussles do not like the burn so they push against the muscles
You are using the muscles too much. Rest them for awhile.
My 11 yr old said this morning she gets a ache in her head and it goes away.It's happened three times in the last 2 months. She wears handbands or could it be a muscle ache?