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Does Lactic Acid Cause Muscle Soreness?

muscle soreness

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muscle soreness

Does Lactic Acid Cause Muscle Soreness

Delayed-onset muscle soreness, or DOMS for short, is the soreness you feel a day or so after exercising. Some people believe erroneously that this soreness is caused by a build up of lactic acid in the muscles. This believe came from the fact that muscles create energy for anaerobical contractions, meaning without oxygen, when intense exercising is taking place.

While it is true that this process leads to the production of lactic acid, however, it has been proven that the lactic acid created dissipates shortly after the exercising is complete. This happens before soreness in the muscles presents itself. This process of lactic acid creation does not take place in exercises such as jogging or walking because the energy produced with these activities use oxygen.

muscle soreness

The soreness that is felt in the days following exercising, especially for those new to working out in the gym, is caused by the muscles tearing as they are being used. These microscopic tears can cause the muscles to become inflamed and sore. Although this sounds negative, this damage is needed in order for the muscles to gain size and strength.

Because muscles contain protein filaments that shorten and contract, your body builds new stronger and healthier tissues when it repairs itself. The way to gain more strength and bigger muscles is to increase the amount of weights used during training.


An important step in avoiding tired and sore muscles is to start slowly and to armcurlbuild up your fitness program slowly. Overextending your workout before your body is physically ready can be a painful mistake. There is nothing wrong with working out every other day to avoid extreme soreness as you are getting used to your workout program.

Another good idea is to alternate your fitness program. If you usually work out with weights, take a break and walk on the treadmill instead. Not only will this help your muscles, it will also help to keep you from becoming bored with your exercise routine. A workout program that does not bore you or make you miserable is a program that you can stick to for the long haul of your health.


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