IOC definition. This page explains what the acronym IOC means. The definition, example, and related terms listed above have been written and compiled by the Slangit team. We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an exisiting one, please let us know!
If a spasm is forcefully sustained and doesnât relax, then it ripens into a cramp. A charlie (charley) horse is a common term many use to indicate they either have a muscle spasm or cramp, typically in a thigh or leg muscle. This charlie of a horse is very often caused by dehydration and/or lack of potassium. A muscle spasm can occur in any muscle and you may be able to see or feel the hardened muscle, like a knot. Sometimes, muscle spasms will occur with such force that theyâll leave a bruise behind.
1 Low levels of minerals, such as sodium, magnesium or potassium, in the body can be one of the reasons for Charlie horses. 2  Deficiency of calcium in pregnant women can also be another reason for the onset of Charley horse. 3  Low level of liquids in the body, while exercising, might be a probable cause of Charley horse.