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Shortness of breath, or dyspnea, is the feeling that you can't get enough air into your lungs. While it is most commonly caused by heart or lung conditions, anything that affects the function of the muscles required to breathe can also cause serious breathing problems. Tight muscles can cause breathing difficulties, and there are certain muscles involved in both the exhalation and inhalation process. If any of these muscles become tight, overused, or develop trigger points, their function may be inhibited.
| Characteristics | Values |
|---|---|
| Common causes | Heart and lung conditions, anxiety, exercise, asthma, inflammation from a common cold, panic attacks, obesity, anemia, lack of exercise, sleep apnea, high BMI |
| Muscle-related causes | Tight muscles, weak muscles, postural changes, neck issues, intercostal muscles being overworked, diaphragm dysfunction |
| Muscle diseases | Pompe disease |
| Symptoms | Chest tightness, air hunger, gasping for air, working harder to breathe, increased shortness of breath on exertion or at rest |
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What You'll Learn
Tight muscles can cause breathing difficulties
Shortness of breath, or dyspnea, is the feeling that you can't get enough air into your lungs. While it is most commonly caused by heart or lung conditions, tight muscles can also cause breathing difficulties.
Tight muscles can affect the inhalation and exhalation process, inhibiting the function of the diaphragm, which is innervated by the phrenic nerve. The intercostal muscles that run between each rib are another main breathing muscle that can cause breathing difficulties if they become overworked or develop trigger points. This can happen if you get a knock on the ribs, have a cough, sneeze, or do strenuous exercise.
Additionally, people with shallow breathing or head forward or rounded back posture may find it more difficult to breathe if their neck muscles are overworked. These muscles should only be used when taking a deep breath, but they often kick in during regular gentle breathing.
If you are experiencing breathing difficulties, it is important to get checked out by a doctor, as it may be a sign of more serious heart and lung issues.
There are various exercises and techniques to help relax the muscles involved in breathing. For example, if a different area of your rib cage is not expanding properly, try lying with the "stuck" rib area facing the ceiling and doing some slow deep breaths, concentrating on breathing into the affected area.
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Intercostal muscles can cause breathing issues
Shortness of breath, or dyspnea, is the feeling that you can't get enough air into your lungs. It might feel like your chest is tight, you're gasping for air, or you're working harder to breathe. While heart and lung conditions are common causes of dyspnea, other causes include anxiety, lack of exercise, obesity, and anemia.
Intercostal muscles, which are present in the trunk of the body, are essential for breathing. These muscles have different layers that attach to the ribs to help build the chest wall. When an intercostal muscle gets twisted, strained, or stretched too far, it can tear, causing intercostal muscle strain. This can result in sharp, direct pain, stiffness, and mobility difficulties. The symptoms of intercostal muscle strain can differ slightly depending on their cause, but they often involve breathing issues. For example, if breathing is painful, a person may need to splint the area by holding a pillow against the injured muscle.
The external and internal intercostal muscles have different functions during breathing. The external intercostals have an expiratory function, meaning they help compress the thoracic cavity to induce exhalation. On the other hand, the internal intercostals have an inspiratory function, assisting in expanding the thoracic cavity during inhalation.
In summary, intercostal muscle strain can cause breathing issues due to the essential role of these muscles in the respiratory process. Treatment for intercostal muscle strain may include cold and heat therapy, rest, and over-the-counter pain medications. If symptoms are severe or breathing difficulties persist, it is important to seek medical attention.
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Proximal muscle diseases and shortness of breath
Proximal muscle weakness and shortness of breath can be caused by inflammatory myopathies, commonly referred to as immune-mediated myopathies or idiopathic inflammatory myopathies. These are a group of diseases characterised by pathogenic mechanisms that lead to immune-mediated muscle injury. One such disease is IMNM, which is often misdiagnosed as polymyositis. IMNM is characterised by proximal muscle weakness, highly elevated serum CK, and the presence of either necrotising autoimmune myopathy or statin-associated autoimmune myopathy.
In one case study, a 60-year-old man with no significant medical history presented with progressive weakness and shortness of breath over two years. He had a 20-pack-year smoking history but no significant history of alcohol or illicit drug use. A physical examination revealed mild inspiratory crackles in the lung bases, loud splitting of the second pulmonic valve, and edema in the lower extremities. He also exhibited muscle weakness, pain, and wasting of the proximal upper and lower extremities, particularly in his legs. The patient achieved remission and is now able to exercise without difficulty breathing or residual muscle weakness.
Another example of a muscle disease that can present with shortness of breath is myasthenic syndrome, which is associated with episodic apnea. Additionally, metabolic myopathy, muscular dystrophy, sarcoidosis, and colchicine have all been associated with early respiratory failure.
It is important to note that shortness of breath can also be caused by various other factors, such as heart or lung conditions, anxiety, lack of exercise, obesity, and extreme temperatures.
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Anxiety and panic attacks can cause shortness of breath
While there are many causes of shortness of breath, or dyspnea, anxiety is one of the most common. Anxiety can cause a range of physical and psychological symptoms, and shortness of breath is one of them. During a panic attack or sudden anxiety episode, the body's fight-or-flight response is activated, which can lead to a range of uncomfortable symptoms, including shortness of breath and hyperventilation.
The fight-or-flight response causes the heart rate to increase, pumping blood to the organs faster and readying the muscles for action. It also causes faster breathing, providing more oxygen to the muscles. This faster breathing can lead to hyperventilation, which can, in turn, trigger or worsen shortness of breath. Shortness of breath can also occur before a panic attack, intensifying once the attack begins.
The experience of shortness of breath can be frightening and may make someone feel more anxious, creating a vicious cycle that worsens their breathing. However, it's important to remember that anxiety attacks are not life-threatening. You won't suffocate, stop breathing, or die from an anxiety attack, and it won't turn into a heart attack.
Doctors can offer various treatments for anxiety-induced shortness of breath, including medication, psychotherapy, or a combination of both. For short-term relief, doctors may prescribe benzodiazepine medications, but these can have adverse effects and may lead to physical dependence. Relaxation techniques, diaphragmatic breathing, and self-care practices can also help to relieve anxiety symptoms.
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Heart and lung conditions and breathlessness
Shortness of breath, or dyspnea, is the feeling that you can't get enough air into your lungs. It is often a symptom of heart and lung problems, but it can also be caused by other conditions such as asthma, allergies, or anxiety. Intense exercise or having a cold can also make you feel breathless.
Heart conditions that can lead to shortness of breath include heart failure, cardiomyopathy, abnormal heart rhythm (arrhythmia), and inflammation in or around the heart (endocarditis, pericarditis, or myocarditis). Cardiomyopathy, for example, is a serious problem with the heart muscle that makes it difficult to pump and send blood to the body. It may be caused by a heart attack, diabetes, cancer treatment, excess weight, excessive alcohol consumption, or high blood pressure. As cardiomyopathy worsens, you may experience breathlessness during activity or even at rest.
Lung conditions that can cause shortness of breath include chronic obstructive pulmonary disease (COPD), respiratory illnesses (such as bronchitis, COVID-19, the flu, or other viral or bacterial infections), inflammation or fluid around the lungs, lung cancer, high blood pressure in the lungs (pulmonary hypertension), and a partial or complete collapsed lung.
In addition to heart and lung conditions, shortness of breath can be caused by a variety of other factors. These include a lack of exercise, obesity, sleep apnea, anemia, and extreme temperatures. Certain medications, such as statins and beta-blockers, can also contribute to breathlessness.
If you are experiencing severe shortness of breath, breathlessness after 30 minutes of rest, blue skin or lips, chest pain, or an irregular heartbeat, it is important to seek immediate medical attention as it may indicate a serious underlying condition.
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Frequently asked questions
Being muscular is not a direct cause of shortness of breath. However, muscle weakness can cause breathlessness. This is because breathing requires the healthy function of several muscle groups, including the diaphragm, intercostal, and abdominal muscles.
Signs of shortness of breath caused by muscle weakness include increased breathlessness on exertion or at rest, and morning headaches.
Shortness of breath can be caused by a range of factors, including asthma, allergies, anxiety, illness, and exercise. It is most commonly caused by heart or lung conditions.
If you experience shortness of breath, stop what you are doing, sit down, and practice breathing exercises. Consult a doctor if you are worried or if the breathlessness persists.
Yes, certain neuromuscular disorders (NMDs) such as spinal muscular atrophy (SMA) and Duchenne muscular dystrophy (DMD) can affect breathing. These disorders impact the muscles supporting the lungs, making it challenging to breathe.
