Acute muscle soreness

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Acute muscle soreness is the pain felt in muscles during and immediately after strenuous physical exercise. The pain appears within a minute of contracting the muscle and disappears within two or three minutes[1] or up to several hours[2] after relaxing it.

The following causes have been proposed for acute muscle soreness:

  • Accumulation of chemical end products of exercise in muscle cells, such as H+[2]
  • Tissue edema caused by the shifting of blood plasma into the muscle tissue during contraction[2]
  • Muscle fatigue (the muscle tires and cannot contract any more)[3]

Acute muscle soreness is one form of exercise-induced muscle damage, the other being delayed onset muscle soreness, which appears between 24 and 72 hours after exercise.

References

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  2. ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.

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