There is lactic acid build-up due to anaerobic cellular respiration within skeletal tissue (under hypoxic conditions).
What causes sore muscles is that you have been working your muscles harder than normal, and can also be that those sore muscles haven't been worked that hard in a while, so it was very stressful for them. Cramps are caused by not stretching properly and your body isn't ready to do the physical task you want to do.
There are hundreds of reasons your body could be sore. More information is needed to give an accurate answer.
If you worked out the previous day, your body is probably sore from that. You could have also slept in an awkward position. If you are younger, you could be going through growing pains.
lactic acid fermentation
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Fibers.
What causes flutters sore breast and cramps?
When muscles are over-exerted, the muscle cells carry out anaerobic respiration to compensate for the oxygen deficit. Lactic acid produced as a result of this causes muscles to become sore or develop cramps.
Muscles cramps occur when a muscle contracts and does not relax. This causes pain in one or sometimes multiple muscles.
Pregnancy.
Because your muscles are sore after a long day of hard nonstop work.
Anger causes the release of hormonal signals that cause the muscles to tense up. When the muscles are tensed for too long, this causes fatigue and sore muscles.
I have no idea what is going on. That is pretty close to the location of your heart.
Cramps in most muscles are usually caused by the build up of lactic acid. This forms when your body attempts to go through cellular respiration but there isn't enough oxygen so the results are painful cramps.
the cause of leg cramps is the tightening of the muscles in your leg and it really hurts it is painful it can wake u up in the middle of the night and it is not pleasant
Nyquil is for a cough and sore throat not for menstrual cramps.
Cramping is definitely linked to potassium deficiency, in the fact that your muscles and bones are causing you to have your cramps. When you don't have enough potassium, it causes problems with your bones and muscles.
It Builds up when you exersize and muscle cant get enough oxygen. its another way of creating energy.