Logan Steele
Muscle soreness is a common phenomenon that occurs several hours after physical activity. Doctors refer to it as delayed onset muscle soreness (DOMS) and it can last anywhere from a few days to a couple of weeks. The exact cause of DOMS is still unclear, but it is thought to be caused by microscopic tears in the muscle fibres, which can develop during exercise. This is a good thing, as it prompts the muscles to heal and adapt, strengthening them.
| Characteristics | Values |
|---|---|
| Name | Delayed onset muscle soreness (DOMS) |
| Cause | Microtears or minor inflammation in the muscles |
| Timing | Usually occurs several hours after physical activity |
| Duration | Lasts from a few days to a couple of weeks |
| Treatment | Active recovery, stretching, hot or cold therapy, and massage |
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What You'll Learn
Delayed onset muscle soreness (DOMS)
Muscle soreness usually occurs several hours after physical activity, and doctors refer to this as Delayed Onset Muscle Soreness (DOMS). DOMS can happen to anyone, regardless of their physical fitness, and is usually felt a day or two after a workout. The exact cause of DOMS is still unclear, but some experts believe it may be due to microscopic tears in the muscle fibres, which can develop during exercise. This is supported by the fact that any physical activity that places unusual strain on the muscles can lead to soreness.
DOMS is not caused by a build-up of lactic acid in the muscles, as was previously thought. Instead, the general consensus is that it is caused by several factors, including micro-trauma to the muscle, the release of muscle enzymes, muscle spasms, connective tissue damage, and muscle inflammation.
DOMS can last anywhere from a few days to a couple of weeks, and the pain typically disappears within this time frame. However, there are some treatments that may help to relieve muscle soreness, including active recovery, stretching, hot or cold therapy, and massage.
Ultimately, minor achiness is just what you get when you challenge yourself during workouts. So, if you've ever exercised intensely after taking some time off, you know that you're likely to feel pretty sore the next day. This is all part of the process of your muscles healing and adapting, which strengthens them.
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Microtears in muscle fibres
Muscle soreness usually occurs several hours after physical activity. Doctors refer to this as delayed onset muscle soreness (DOMS). DOMS can happen to anyone, regardless of their physical fitness, and is not caused by a buildup of lactic acid in the muscles.
The exact cause of DOMS is still unclear, but one theory is that it is caused by microtears in the muscle fibres. These microtears develop during exercise, and the muscle soreness is the result of the body healing these tears. The microtears are minor inflammation in the muscles, which prompts the muscles to heal and adapt, strengthening them.
Any physical activity that places too much or unusual strain on the muscles can lead to soreness. This includes higher-intensity workouts, as well as prolonged or repetitive physical activity. During physical activity, the body's muscles extend and contract to support movement.
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Lactic acid build-up
Muscle soreness usually occurs several hours after physical activity, and is referred to by doctors as delayed onset muscle soreness (DOMS). DOMS is not caused by a build-up of lactic acid in the muscles, according to the American College of Sports Medicine (ACSM). However, lactic acid build-up is one of several factors that may contribute to muscle soreness.
Lactic acid is produced by the body during intense exercise when the body breaks down carbohydrates to quickly generate energy in the absence of oxygen. This process, known as anaerobic glycolysis, occurs when the body's demand for energy exceeds the oxygen supply to the muscles. As a result, lactic acid accumulates in the muscles and blood, leading to a burning sensation and fatigue. While lactic acid build-up is often associated with muscle soreness, it is important to note that it is not the sole cause.
During exercise, the body's muscles extend and contract to support movement, and this physical activity can place unusual strain on the muscles, leading to soreness. Prolonged or repetitive physical activity can overexert the muscles, resulting in muscle soreness. This is more likely to occur after physical activity that differs from a person's normal routine or intensity level.
While the exact cause of DOMS is still unclear, some experts believe it may be due to microscopic tears in the muscle fibres, which can develop during exercise. These micro-tears cause minor inflammation, prompting the muscles to heal and adapt, leading to strengthened muscles over time. Active recovery, stretching, hot or cold therapy, and massage can help ease the soreness associated with DOMS.
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Muscle spasms
DOMS is not caused by a buildup of lactic acid in the muscles, as was previously thought. However, any physical activity that places unusual strain on the muscles can lead to soreness. This includes prolonged or repetitive physical activity, as well as higher-intensity workouts that the body is not accustomed to.
During physical activity, the body's muscles extend and contract to support movement. When the muscles are overexerted, it can result in soreness and discomfort. This can happen to anyone, regardless of their physical fitness level.
To ease muscle soreness, active recovery, stretching, hot or cold therapy, and massage can help. These treatments provide relief by promoting blood flow to the affected area, reducing inflammation, and aiding in the healing process. It is important to listen to your body and give it the rest and care it needs to recover from intense physical activity.
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Connective tissue damage
Muscle soreness, or delayed onset muscle soreness (DOMS), is a common phenomenon that occurs several hours or days after physical activity. While the exact cause of DOMS is still unclear, one of the proposed theories is connective tissue damage.
Connective tissue is a type of tissue in the body that surrounds and supports other tissues and organs. It includes tendons, ligaments, cartilage, and bone. During physical activity, the connective tissues are subjected to stress and strain, which can lead to micro-tears and minor inflammation. This damage to the connective tissue can result in muscle soreness as the body works to repair and heal the affected area.
The severity of connective tissue damage and the resulting muscle soreness can vary depending on the type, intensity, and duration of physical activity. Prolonged or repetitive physical activity, especially if it differs from an individual's normal routine, can overexert the muscles and increase the risk of connective tissue damage. For example, engaging in a high-intensity workout after a period of inactivity or trying a new exercise class for the first time can lead to increased muscle soreness in the days following the activity.
The symptoms of connective tissue damage may include pain, stiffness, and reduced range of motion in the affected area. The pain associated with DOMS typically lasts for a few days but can persist for up to a couple of weeks. During this time, the body's natural healing process kicks in, repairing the micro-tears and reducing inflammation. This process of healing and adaptation strengthens the muscles, making them more resilient to future activity.
To manage and alleviate muscle soreness due to connective tissue damage, active recovery, stretching, hot or cold therapy, and massage can be beneficial. These interventions promote blood flow to the affected area, aiding in the healing process and providing relief from discomfort. Additionally, it is important to listen to your body and allow for adequate rest and recovery between workouts to prevent further damage and promote optimal tissue repair.
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Frequently asked questions
Muscle soreness is usually caused by microtears or minor inflammation in your muscles. This is often a result of overexertion or physical activity that places too much or unusual strain on the muscles.
Muscle soreness usually occurs several hours after physical activity. Doctors refer to this as delayed onset muscle soreness (DOMS).
The exact cause of delayed onset muscle soreness is still unclear. However, it is generally believed to be caused by a combination of factors, including micro-trauma to the muscle, lactic acid buildup, release of muscle enzymes, muscle spasms, connective tissue damage, and muscle inflammation.
Muscle soreness can last anywhere from a few days to a couple of weeks. The pain typically disappears within a few days, but it can feel even worse two days after a workout.
There are several treatments that may help relieve muscle soreness, including active recovery, stretching, hot or cold therapy, and massage.
