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.
Charley horse is another name for a muscle spasm. Charley horses can occur in virtually any muscle, but they are most common in the legs.These spasms are marked by extremely uncomfortable muscle contractions. The muscles donât relax for several seconds or more, and the pain can be quite severe.he most common causes of charley horses include: 1  inadequate blood flow to the muscle. 2  muscle injuries. 3  exercising in excessive heat or cold. 4  overuse of a specific muscle during exercise.