
Muscle knots are painful or tender spots in a muscle that feel tight and sore. They are usually harmless but can be uncomfortable. In some cases, muscle knots are visible and appear like a small gumball just under the skin. However, this is not common and they are often not noticeable. Muscle knots can feel different depending on where they are and what causes them, but they are often described as aching, throbbing, tight or stiff.
| Characteristics | Values |
|---|---|
| Appearance | In some cases, visible muscle knots appear like a small gumball just under the skin. In other cases, there may be some minor raising of the skin. |
| Feel | Tender, tight, sore, painful, twitchy, aching, throbbing, stiff. |
| Location | Upper back, legs, shoulder, neck, under the shoulder blade. |
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What You'll Learn
- Muscle knots are usually tender and tight
- Muscle knots can be visible and may look like a small gumball under the skin
- Muscle knots can cause referred pain in nearby areas
- Muscle knots are a type of spasm that causes a small portion of a muscle to tense up
- Muscle knots are small, tightly clenched muscle fibres underneath the skin

Muscle knots are usually tender and tight
In some cases, muscle knots are visible and appear like a small gumball just under the skin. However, this is not common, and visible lumps are more likely to be something else, such as a cyst or a tumour. Usually, muscle knots are not seen but felt as small bumps or knots in the muscle that cause pain when touched, rubbed or pressed.
Knots often occur around the 'Motor Point' of a muscle, where the nerves enter the muscle belly. These motor points set the tension of the muscle. A dysfunction in the muscle fibres around a motor point results in a taut band within the muscle belly, with a painful spot in the middle – this painful spot is the 'Trigger Point'.
The medical term for a muscle knot is a myofascial trigger point. They can cause referred pain in nearby areas. For example, a muscle knot in the shoulder can refer pain down the arm and into the hand.
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Muscle knots can be visible and may look like a small gumball under the skin
Muscle knots are usually tender and tight. They can be visible and may look like a small gumball under the skin. They can also twitch with or without being touched. Muscle knots are a painful or tender spot in a muscle, and they often happen in the upper back or legs. They're not usually harmful, but they can be uncomfortable.
Knots are usually a type of spasm that causes a small portion of a muscle to tense up. They often occur around the 'Motor Point' of a muscle, where the nerves enter the muscle belly. A dysfunction in the muscle fibres around a motor point results in a taut band within the muscle belly, with a painful spot in the middle – this painful spot is the 'Trigger Point'. A knot, or trigger point, may feel like a small hard lump. These may be felt with just a soft touch, some may reside in your deeper layers of soft tissue.
The medical term for a muscle knot is a myofascial trigger point. You can think of them as small, tightly clenched muscle fibres underneath the surface of your skin. In some cases, you may not visibly notice a muscle knot, but you might feel small bumps or knots in your muscle that cause pain when you touch, rub or press on them.
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Muscle knots can cause referred pain in nearby areas
Muscle knots are usually tender and tight. They can be felt as small bumps or knots in the muscle that cause pain when touched, rubbed or pressed. In some cases, they can cause referred pain in nearby areas. For example, a muscle knot in the shoulder can refer pain down the arm and into the hand.
The medical term for a muscle knot is a myofascial trigger point. They are small, tightly clenched muscle fibres underneath the surface of the skin. Knots often occur around the 'motor point' of a muscle, which corresponds to the point where the nerves enter the muscle belly. A dysfunction in the muscle fibres around a motor point results in a taut band within the muscle belly, with a painful spot in the middle – this painful spot is the 'trigger point'.
Knots can feel different depending on where they occur and what causes them, but they can feel aching, throbbing, tight or stiff. They are usually a type of spasm that causes a small portion of a muscle to tense up. Visible muscle knots appear like a small gumball just under the skin. However, it is rare to visibly notice a muscle knot. In some cases, there may be some minor raising of the skin, but this is more likely to be a cyst or a tumour.
Soft tissue mobilisation is a form of manual therapy used to release muscle fibres and break down the knots within.
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Muscle knots are a type of spasm that causes a small portion of a muscle to tense up
Knots often occur around the 'motor point' of a muscle, where the nerves enter the muscle belly. These motor points set the tension of the muscle. A dysfunction in the muscle fibres around a motor point results in a taut band within the muscle belly, with a painful spot in the middle – this painful spot is the 'trigger point'. The medical term for a muscle knot is a myofascial trigger point.
Muscle knots can be felt with just a soft touch, and some may reside in your deeper layers of soft tissue. They can also twitch with or without being touched. Some muscle knots cause referred pain that is felt in nearby areas. For example, a muscle knot in the shoulder can refer pain down the arm and into the hand.
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Muscle knots are small, tightly clenched muscle fibres underneath the skin
Knots often occur around the 'Motor Point' of a muscle, where the nerves enter the muscle belly. These motor points set the tension of the muscle. A dysfunction in the muscle fibres around a motor point results in a taut band within the muscle belly, with a painful spot in the middle – this painful spot is the 'Trigger Point'.
A knot, or trigger point, may feel like a small hard lump, and can be felt with just a soft touch. They can feel aching, throbbing, tight or stiff, and can be uncomfortable. In rare cases, muscle knots are a sign of a long-term (or chronic) pain condition.
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Frequently asked questions
Muscle knots are usually not visible, but in some cases, they can appear like a small gumball just under the skin.
Muscle knots feel tight and sore, and they often occur in the upper back or legs. They can also be tender to the touch and cause referred pain in nearby areas.
Muscle knots are small, tightly clenched muscle fibres that contract but are unable to release. They often occur around the 'Motor Point' of a muscle, where the nerves enter the muscle belly.
Muscle knots form when there is a dysfunction in the muscle fibres around a motor point, resulting in a taut band within the muscle belly with a painful spot in the middle – this painful spot is the 'Trigger Point'.











































