Acute muscle soreness: Difference between revisions
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==Overview== | ==Overview== | ||
Acute muscle soreness (AMS) is a term to describe [[muscle]] soreness felt during the muscle's use in an activity or shortly after its use (generally no longer than an hour). It is not connected to its longer counterpart, [[delayed onset muscle soreness]], which can last up to 72 hours after muscle activity. | Acute muscle soreness (AMS) is a term used to describe [[muscle]] soreness felt during the muscle's use in an activity or shortly after its use (generally no longer than an hour). It is not connected to its longer counterpart, [[delayed onset muscle soreness]], which can last up to 72 hours after muscle activity. | ||
==Pathophysiology== | ==Pathophysiology== | ||
* It is generally known to be caused by tears in the [[muscle fibers]] or fascia. Soreness can occur after trying a new [[muscle]] activity or [[exercise]], exercising during or after a prolonged period of being sedentary (little or no exercise or movement) or a large change in your current [[exercise]] routine. | * It is generally known to be caused by tears in the [[muscle fibers]] or fascia. Soreness can occur after trying a new [[muscle]] activity or [[exercise]], exercising during or after a prolonged period of being sedentary (little or no exercise or movement) or a large change in your current [[exercise]] routine. | ||
* Exercise causes acute muscle soreness through various mechanisms that include decreased muscle oxygen, increased [[lactic acid]], free radical production<ref name="pmid11258644">{{cite journal| author=Thompson D, Williams C, Kingsley M, Nicholas CW, Lakomy HK, McArdle F et al.| title=Muscle soreness and damage parameters after prolonged intermittent shuttle-running following acute vitamin C supplementation. | journal=Int J Sports Med | year= 2001 | volume= 22 | issue= 1 | pages= 68-75 | pmid=11258644 | doi=10.1055/s-2001-11358 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11258644 }} </ref>exercise induced rhabdomyolysis<ref name="pmid15719820">{{cite journal| author=Heled Y, Zarian A, Moran D, Hadad E| title=[Exercise induced rhabdomyolysis--characteristics, mechanisms and treatment]. | journal=Harefuah | year= 2005 | volume= 144 | issue= 1 | pages= 34-8, 70 | pmid=15719820 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15719820 }} </ref>, and tissue swelling within the muscle. | |||
* A new theory has emerged as to the cause of AMS which states that AMS is caused by ATP-derived [[hydrogen]] [[ion]]s in the [[muscles]]. This deprivation lead to a [[pH]] and [[acidosis]] levels within the muscles. This decrease of levels within the muscles is what causes the soreness which is perceived by the [[patient]]. | * A new theory has emerged as to the cause of AMS which states that AMS is caused by ATP-derived [[hydrogen]] [[ion]]s in the [[muscles]]. This deprivation lead to a [[pH]] and [[acidosis]] levels within the muscles. This decrease of levels within the muscles is what causes the soreness which is perceived by the [[patient]]. | ||
* Though AMS is now believed to be caused by ATP-derived hydrogen ions they may not be solely responsible. For instance, if other substances can drop the pH and increase acidosis in the muscles, then theoretically they can also contribute to AMS. | * Though AMS is now believed to be caused by ATP-derived hydrogen ions they may not be solely responsible. For instance, if other substances can drop the pH and increase acidosis in the muscles, then theoretically they can also contribute to AMS. | ||
==Causes== | ==Causes== | ||
===Common Causes=== | ===Common Causes=== | ||
*[[Exercise | * [[Exercise]] | ||
* [[Injury|Muscle tears]] | * [[Injury|Muscle tears]] | ||
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{|style="width:80%; height:100px" border="1" | {|style="width:80%; height:100px" border="1" | ||
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular''' | |style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular''' | ||
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | | |style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| Line 35: | Line 33: | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Dermatologic''' | | '''Dermatologic''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Drug Side Effect''' | | '''Drug Side Effect''' | ||
|bgcolor="Beige"| [[Influenza | |bgcolor="Beige"| [[Influenza vaccine]] | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Ear Nose Throat''' | | '''Ear Nose Throat''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| Line 55: | Line 53: | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Gastroenterologic''' | | '''Gastroenterologic''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| Line 75: | Line 73: | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Musculoskeletal/Orthopedic''' | | '''Musculoskeletal/Orthopedic''' | ||
|bgcolor="Beige"| [[ | |bgcolor="Beige"| [[Shin splints]] | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Neurologic''' | | '''Neurologic''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Nutritional/Metabolic''' | | '''Nutritional/Metabolic''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
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|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Renal/Electrolyte''' | | '''Renal/Electrolyte''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| No underlying causes | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
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|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Miscellaneous''' | | '''Miscellaneous''' | ||
|bgcolor="Beige"| | |bgcolor="Beige"| [[Exercise]], [[shin splints]], [[exercise|strength training]], [[exercise|stretch shortening exercise]] | ||
|- | |- | ||
|} | |} | ||
===Causes in Alphabetical Order=== | ===Causes in Alphabetical Order=== | ||
*[[Exercise]] | *[[Exercise]] | ||
*[[Influenza vaccine]] | *[[Influenza vaccine]] | ||
*[[Injury|Muscle tears]] | *[[Injury|Muscle tears]] | ||
*[[Repetitive strain injury]] | *[[Repetitive strain injury]] | ||
| Line 149: | Line 141: | ||
*[[Strength training]] | *[[Strength training]] | ||
*[[Exercise|Stretch shortening exercise]] | *[[Exercise|Stretch shortening exercise]] | ||
==Natural History, Complications and Prognosis== | ==Natural History, Complications and Prognosis== | ||
| Line 166: | Line 157: | ||
[[Category:Exercise physiology]] | [[Category:Exercise physiology]] | ||
[[Category:Symptoms]] | |||
[[Category:Signs and symptoms]] | [[Category:Signs and symptoms]] | ||
[[Category:Rheumatology]] | [[Category:Rheumatology]] | ||
Latest revision as of 14:38, 1 June 2015
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ogheneochuko Ajari, MB.BS, MS [2]
Overview
Acute muscle soreness (AMS) is a term used to describe muscle soreness felt during the muscle's use in an activity or shortly after its use (generally no longer than an hour). It is not connected to its longer counterpart, delayed onset muscle soreness, which can last up to 72 hours after muscle activity.
Pathophysiology
- It is generally known to be caused by tears in the muscle fibers or fascia. Soreness can occur after trying a new muscle activity or exercise, exercising during or after a prolonged period of being sedentary (little or no exercise or movement) or a large change in your current exercise routine.
- Exercise causes acute muscle soreness through various mechanisms that include decreased muscle oxygen, increased lactic acid, free radical production[1]exercise induced rhabdomyolysis[2], and tissue swelling within the muscle.
- A new theory has emerged as to the cause of AMS which states that AMS is caused by ATP-derived hydrogen ions in the muscles. This deprivation lead to a pH and acidosis levels within the muscles. This decrease of levels within the muscles is what causes the soreness which is perceived by the patient.
- Though AMS is now believed to be caused by ATP-derived hydrogen ions they may not be solely responsible. For instance, if other substances can drop the pH and increase acidosis in the muscles, then theoretically they can also contribute to AMS.
Causes
Common Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | Influenza vaccine |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | Shin splints |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | Muscle tears, repetitive strain injury |
| Urologic | No underlying causes |
| Miscellaneous | Exercise, shin splints, strength training, stretch shortening exercise |
Causes in Alphabetical Order
- Exercise
- Influenza vaccine
- Muscle tears
- Repetitive strain injury
- Shin splints
- Strength training
- Stretch shortening exercise
Natural History, Complications and Prognosis
AMS, in general, disappears quickly (hence the term acute). To speed the recovery period would be to stop the exercise or movement causing it. However, the soreness can last even after the muscle/s cease activity and can remain for up to an hour.
Treatment
- There are ways to quicken the recovery period and relieve the patient of the pain. This is achieved by the removal of all the ATP-derived hydrogen ions and so techniques to speed up the removal of these ions will shorten recovery time.
- Techniques include:
- Light aerobic exercise
- Stretching
- Massaging the affected area's or muscles.
References
- ↑ Thompson D, Williams C, Kingsley M, Nicholas CW, Lakomy HK, McArdle F; et al. (2001). "Muscle soreness and damage parameters after prolonged intermittent shuttle-running following acute vitamin C supplementation". Int J Sports Med. 22 (1): 68–75. doi:10.1055/s-2001-11358. PMID 11258644.
- ↑ Heled Y, Zarian A, Moran D, Hadad E (2005). "[Exercise induced rhabdomyolysis--characteristics, mechanisms and treatment]". Harefuah. 144 (1): 34–8, 70. PMID 15719820.