Norepinephrine performs its actions on the target cell by binding to and activating adrenergic receptors. The target cell expression of different types of receptors determines the ultimate cellular effect, and thus norepinephrine has
While specific vitamins and minerals do not cause muscle cramps, a deficiency in potassium or magnesium can lead to sports-related leg cramping, according to Everyday Health. Additionally, a deficiency in vitamins E, A, and B causes cramping due to reduced circulation, as explained WeightTraining.com. Keep Learning.
1 Pregnancy. 2  Certain diseases affecting muscles and nerves, such as Parkinson's disease. 3  Other medications that can cause leg cramps, include certain asthma medications (albuterol), calcium channel blockers (diltiazem and others), niacin (taken by some for high cholesterol), and certain antipsychotic drugs.