
Muscle soreness and pain can be caused by a variety of factors, including exercise, injury, or underlying health conditions. While it may seem counterintuitive, muscle soreness and pain can indeed cause a temporary increase in weight. This weight gain is typically attributed to water retention and inflammation around the affected muscles. Additionally, building muscle can also lead to an increase in weight, as muscle weighs more than fat. However, it is important to note that muscle soreness and pain alone may not be the sole factors contributing to weight gain, and other factors such as diet and overall activity level also play a role in weight management. Understanding the relationship between muscle soreness, pain, and weight fluctuations can help individuals make informed decisions regarding their health and fitness routines.
| Characteristics | Values |
|---|---|
| Weight increase | Temporary water weight gain, or weight gain due to building muscle |
| Muscle soreness | Caused by the breakdown of muscle tissue, inflammation, and micro-tears |
| Muscle soreness treatment | Massage, ice, gentle stretching, rest, anti-inflammatory medication, creams and gels with capsaicin or menthol |
| Weight gain and pain | Weight gain can cause joint pain and degenerative disc disease, which can lead to back pain |
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What You'll Learn

Weight gain from muscle soreness is usually temporary
It is common to experience weight gain after a workout due to muscle soreness. This weight gain is usually temporary and is caused by a combination of water retention and inflammation around the micro-tears in the muscles. This is known as Delayed Onset Muscle Soreness (DOMS), and it occurs when muscles heal and rebuild to prepare for future workouts. The weight gain associated with DOMS is typically temporary water weight, which can be eliminated within a few days as the body restores balance.
DOMS is characterised by muscle pain that ranges from mild to debilitating and typically manifests 24 to 48 hours after a workout. It is more common in individuals who are new to resistance training or those who have recently introduced challenging exercises or increased weight loads. The structural damage to muscle cells during the muscle-lengthening phase of exercise causes an inflammatory response, leading to water retention and temporary weight gain.
In addition to water retention, weight gain from muscle soreness can also be attributed to increased glycogen storage in the muscles. Glycogen provides energy to the muscles, and when they are worked intensely, they require more glycogen, resulting in increased "fuel" and weight. This increase in muscle fuel contributes to the temporary weight gain experienced during muscle soreness.
While muscle soreness can lead to temporary weight gain, it is important to note that building muscle can result in a more sustained increase in weight. Muscle weighs more than fat, so individuals focusing on muscle growth may experience a higher number on the scale despite their physical transformations. To accurately assess progress, it is recommended to use three-dimensional body scans or measurements instead of relying solely on weight scales.
To summarise, weight gain from muscle soreness is typically temporary and can be attributed to water retention, inflammation, and increased glycogen storage in the muscles. This weight gain usually resolves within a few days, and to track fitness progress accurately, body measurements and scans are preferred over weight scales.
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Muscle soreness can be caused by micro tears and inflammation
Muscle soreness is a common experience, especially after engaging in physical activity or exercise. While it is generally a normal and expected sensation, understanding the underlying causes and mechanisms can help individuals effectively manage and alleviate the discomfort. One of the primary causes of muscle soreness is microtrauma, which involves small injuries to the body that can lead to muscle soreness and inflammation.
Microtrauma can include microtearing of muscle fibres, the sheath surrounding the muscle, and the connective tissue. This can occur when muscles are stressed, such as during weight lifting or other intense physical activities. The microtears can cause inflammation, leading to subsequent shifts in fluid and electrolytes, resulting in muscle spasms and increased pain sensations. This inflammatory response is an important mediator for future muscle adaptations and repair processes.
The inflammation caused by microtears can further sensitize nociceptors, specialised sensory receptors that detect pain, resulting in an increased perception of pain and soreness. This soreness can be exacerbated by edema, or swelling, which exerts pressure on the muscle fibres, further stimulating the nociceptors. The combination of microtears and inflammation can lead to temporary water retention, contributing to a slight increase in body weight.
While the relationship between microtears and muscle hypertrophy is not yet fully understood, it is believed that muscle soreness is an indicator of muscle breakdowns and micro tears. The aches and pains associated with microtrauma can provide valuable information about the occurrence of these microscopic tears. Additionally, the inflammatory response triggered by microtears is a crucial precursor to tissue remodelling and repair, further emphasising the role of inflammation in the recovery process.
Managing muscle soreness caused by microtears and inflammation can be achieved through various strategies. These include massage, ice application to reduce inflammation, gentle stretching, rest, and anti-inflammatory medications or topical treatments. Staying properly hydrated and getting adequate sleep are also important for muscle recovery. While muscle soreness may cause temporary weight gain due to water retention, it is important to focus on body measurements and overall health rather than solely relying on scale weight.
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Water retention is a common cause of weight gain after exercise
Muscle soreness and pain can be caused by micro-tears and inflammation in the muscles, which is a normal response to exercise. This can lead to temporary weight gain due to water retention, which is a common occurrence after exercise.
Water retention, or fluid retention, is when the body holds onto more water than usual. This can be caused by several factors, including increased cortisol levels due to stress, dehydration, and consuming too much sodium. Cortisol is a stress hormone that is released during exercise, and it can impact fluid balance and cause water retention. Dehydration can also lead to water retention as the body tries to compensate for the lack of water. Additionally, consuming too much sodium can slow down the exchange of minerals in the body, leading to water retention.
Water retention can occur in the legs, feet, hands, and ankles, especially during warm weather. This is because the vessels expand to release body heat, causing blood circulation to slow down and water to flow out of the vessels into the surrounding tissue. Water retention can also be more common during certain phases of the menstrual cycle and during pregnancy due to hormonal changes.
The good news is that water retention-related weight gain is usually temporary and should go away once the body's fluid balance is restored. This may take a couple of weeks, but it is not a cause for concern. However, if someone is concerned about water retention, they can try to manage it by staying hydrated, reducing stress, and consuming a balanced diet that includes potassium-rich foods.
In summary, water retention is a common cause of temporary weight gain after exercise, and it is often related to the body's natural response to stress, inflammation, and fluid balance. This can lead to a brief increase in weight, but it is not indicative of actual weight gain or increased body fat.
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Weight gain can also be caused by increased glycogen in the muscles
Muscle soreness and pain can cause a slight increase in weight, but this is usually temporary. This weight gain is due to water retention around the inflammation and micro-tears in the muscles. However, weight gain can also be caused by increased glycogen in the muscles.
Glycogen is the body's stored form of glucose, which is sugar. It is the body's primary and preferred source of energy. When you first start exercising, your muscles need more energy, which means more glycogen. Each gram of glycogen is stored with at least 3 grams of water, making weight gain a noticeable response to increased glycogen in the muscles.
Glycogen is stored in the liver and muscles and comes from the carbohydrates in food and drink. Most glycogen is stored in the muscles and liver, but it can also be stored in fat cells. The amount of glycogen stored in these cells depends on how active you are, how much energy you burn at rest, and the types of food you eat.
Athletes, in particular, need to pay attention to their glycogen levels as it affects their performance. If glycogen stores are depleted through exercise or a low-carb diet, athletes will feel fatigued and sluggish. To restore glycogen, athletes need to consume sufficient dietary carbohydrates and allow ample time for the body to restore its glycogen stores.
It is important to note that glycogen does not make you fat. Consuming more calories than you burn is what leads to body fat gain. Excess glycogen is stored in the liver and used later for energy. While glycogen is not directly responsible for weight gain, the composition of glycogen includes water, which can contribute to temporary water weight.
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Gaining muscle can cause weight to increase
Gaining muscle can cause weight gain. When you exercise, your muscles grow bigger and stronger to meet the new demands placed on them. This process of muscle growth, or hypertrophy, can lead to an increase in weight. Muscle tissue is denser than fat tissue, so building muscle can increase your overall weight even as you lose body fat.
It is important to note that muscle growth does not happen overnight. It takes consistent and progressive resistance training over several weeks or months to see significant muscle gains. Additionally, proper nutrition, including sufficient protein intake, is crucial for muscle growth.
While gaining muscle can increase your weight, it is essential to understand that it improves your body composition. Body composition refers to the ratio of muscle to fat in your body. As you gain muscle, your body composition becomes more favourable, even if your scale weight increases. This improved body composition can lead to numerous health benefits, such as increased strength, better metabolic function, improved posture and balance, and reduced risk of injuries.
Moreover, gaining muscle can have a positive impact on your overall health and well-being. It can increase your metabolic rate, as muscle tissue is more metabolically active than fat tissue. This means you'll burn more calories at rest and during activity, potentially making it easier to maintain a healthy weight or create a calorie deficit for fat loss. Additionally, having more muscle can improve your endurance, reduce joint pain, and enhance your overall physical performance.
However, it is worth mentioning that muscle soreness is not a direct indicator of muscle growth. While delayed-onset muscle soreness (DOMS) occurs when your muscles heal and rebuild after strenuous exercise, it is a temporary condition that usually lasts for a few days. DOMS can cause water retention and temporary weight gain, but this is typically short-lived and should not be confused with long-term muscle growth. To accurately assess changes in your body composition, it is recommended to use body measurements, three-dimensional scans, or body composition analysis tools rather than relying solely on scale weight.
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Frequently asked questions
Yes, muscle soreness can cause temporary weight gain due to water retention and inflammation around the micro-tears in muscles. This is especially true for those new to resistance training or those who have changed their exercise routine.
Using a scale to measure weight can be discouraging due to fluctuating numbers. Instead, taking body measurements or using 3D scanning apps can provide a more accurate representation of progress, as they show changes in specific areas such as the chest, waist, hips, and thighs.
To reduce muscle soreness, you can try massage, ice for inflammation, gentle stretching, rest, and anti-inflammatory medications or topical treatments. Staying hydrated and getting enough sleep can also aid in recovery.
Weight gain can increase the load on joints and muscles, leading to joint pain and faster breakdown of cartilage. It can also increase the risk of degenerative disc disease (DDD), which can cause back pain and may require surgery. Losing weight and exercising can help control weight and strengthen the core to support the spine.











































