No calcium helps keeps muscles strong so the other person who commented was wrong.
The correct answer is perform muscle strengthening exercises regularly.
Salt is good for you in small quantities because sodium, part of salt, is required to maintain your blood pressure and is important for your neurological system. However too much can be bad for you because your body will become dehydrated as salt absorbs water.
Ok I know the answer anyway its "Thompson Scatter".
I would say submerge them in ice water