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A charley horse is an American term for a very painful involuntary cramp, most commonly occurring in the legs (usually located in the calf muscle) and/or foot, lasting anywhere from a few seconds to a couple of days. The phrase formerly referred more commonly to bruising of the quadriceps muscle of the anterior or lateral thigh, or contusion of the femur, that commonly results in a haematoma and sometimes several weeks of pain and disability. In this latter sense, such an injury is known as dead leg.

Dead legs and charley horses are two different types of injuries: A charley horse involves the muscles contracting without warning, and can last from a few seconds to a couple days. A dead leg often occurs in contact sports, such as football, when an athlete suffers a knee or other blunt trauma to the lateral quadriceps causing a haematoma or temporary paresis and antalgic gait as a result of pain.

Colloquially, taking a hit in the thigh area (thigh contusion) can also be referred to as a charley horse or even simply as a charley.

Etymology

The first known use of the term was in 1886 in a West Virginia newspaper. The originator of the phrase is credited to two baseball players, Jack Glasscock and Joe Quest.

Cause

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Charley horses have many possible causes directly resulting from high or low pH or substrate concentrations in the blood, including hormonal imbalances, dehydration, low levels of magnesium, potassium, or calcium (evidence has been mixed), side effects of medication, or, more seriously, diseases such as amyotrophic lateral sclerosis and neuropathy. Charley horses seem to be most common in individuals who engage in strenuous physical activities, such as those who work in construction or play sports. They are also a common complaint during pregnancy.

Treatment

Relief is given by massaging or stretching the leg or foot in the opposite direction of the cramp. Relief also comes from standing up, which serves to counter the muscle-tightening signal.

Notes

1. "Thigh contusion". fittoplay.org. Archived from the original on 2022-05-23. Retrieved 2022-03-16.
2. "Thigh Contusion: Symptoms, Treatment and Prevention". Cleveland Clinic. Archived from the original on 2022-03-08. Retrieved 2022-03-16.
3. "Definition of CHARLEY HORSE". www.merriam-webster.com. Archived from the original on 14 November 2023. Retrieved 14 November 2023.
4. "Read This If You've Ever Wondered Why It's Called A 'Charley Horse'". HuffPost. 8 August 2019. Archived from the original on 30 September 2023. Retrieved 14 November 2023.
5. Schwellnus MP, Nicol J, Laubscher R, Noakes TD (2004). "Serum electrolyte concentrations and hydration status are not associated with exercise associated muscle cramping (EAMC) in distance runners". British Journal of Sports Medicine. 38 (4): 488–492. doi:10.1136/bjsm.2003.007021. PMC 1724901. PMID 15273192.
6. Sulzer NU, Schwellnus MP, Noakes TD (2005). "Serum electrolytes in Ironman triathletes with exercise-associated muscle cramping". Medicine & Science in Sports & Exercise. 37 (7): 1081–1085. doi:10.1249/01.mss.0000169723.79558.cf. PMID 16015122.
7. Allen RE, Kirby KA (2012). "Nocturnal Leg Cramps". American Family Physician. 86 (4): 350–355. PMID 22963024. Archived from the original on 2016-03-29. Retrieved 2016-09-10.
8. Miller TM, Layzer RB (2005). "Muscle cramps". Muscle Nerve. 32 (4): 431–42. doi:10.1002/mus.20341. PMID 15902691. S2CID 222021544.
9. Young GL, Jewell D (2002). Henderson S (ed.). "Interventions for leg cramps in pregnancy". Cochrane Database of Systematic Reviews. 2015 (1): CD000121. doi:10.1002/14651858.CD000121. PMC 7045417. PMID 11869565.
10. McMillen, Matt. "Nocturnal Leg Cramps". WebMD. Archived from the original on 3 October 2023. Retrieved 14 November 2023.

References

• Shulman D (1949). "Whence "Charley Horse"?". American Speech. 24 (2): 100–104. doi:10.2307/486616. JSTOR 486616.
• Tonbridge SV (1950). ""Charley Horse" Again". American Speech. 25 (1): 70.
• Woolf HB (1973). "Mencken as Etymologist: Charley Horse and Lobster Trick". American Speech. 48 (3/4): 229–238. doi:10.2307/3087830. JSTOR 3087830.

External links

• The dictionary definition of charley horse at Wiktionary

• Muscular disorders
• Colloquial terms