Logan Steele
A muscle contusion, or bruised muscle, is a common injury that occurs when a direct blow from an object strikes part of the body, crushing underlying muscle fibres and connective tissue without breaking the skin. Bruised muscles are often associated with athletes in contact sports, such as American football, but they can also happen to anyone due to falls or accidents. Bruised muscles can range from mild to severe, with most contusions healing quickly with at-home treatment, while more severe cases may require medical care and lead to complications.
| Characteristics | Values |
|---|---|
| Cause | Direct blow or blunt trauma |
| Occurrence | Common in contact sports |
| Severity | Mild to severe |
| Treatment | At-home care, OTC medication, or medical care |
| Symptoms | Pain, swelling, skin bruising, weakness, stiffness, difficulty using nearby joints |
| Complications | Compartment syndrome, myositis ossificans, muscle hematoma, sprain, internal organ damage |
| Prevention | Protective gear, avoiding falls, wearing seat belts |
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What You'll Learn
Causes of bruises
Bruises are a type of bleeding under the skin. They occur when blood leaks out of veins and capillaries and pools under the skin, causing discolouration and swelling. Bruises can vary in colour, and skin colour may affect the appearance of a bruise.
The most common cause of bruising is physical trauma, such as a fall or blow, which breaks tiny blood vessels. This can range from mild to severe, with mild bruises usually healing with at-home treatment, while severe bruises may require medical care. Bruises commonly occur in athletes during contact or extreme sports, but they can also happen to anyone due to falls or accidents.
Certain factors can increase the risk of bruising, such as age. Older adults are more susceptible to bruising as their skin thins, losing the layer of fat that cushions blood vessels, making them more vulnerable to injury. Additionally, blood vessels become more fragile with age, making it easier for them to break and cause bruising, even from minor bumps. People over 65 are more likely to develop injuries that result in bruising from falling.
Some medications can also increase the likelihood of bruising by interfering with the blood's ability to clot. These include anticoagulants, blood thinners like warfarin and heparin, antiplatelets like clopidogrel, aspirin, steroids, and non-steroidal anti-inflammatory drugs (NSAIDs). Additionally, certain medical conditions can make it harder for the blood to clot, increasing the chance of bruising. These include underlying bleeding disorders such as hemophilia, thrombocytopenia, von Willebrand disease, factor V deficiency, and vasculitis.
Vitamin deficiencies, particularly vitamin C deficiency, can also contribute to random bruising. Vitamin C is necessary for collagen production, which is the substructure of blood vessels. When vitamin C levels are extremely low, blood vessels may be weaker and more susceptible to damage, leading to bruising.
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Symptoms of bruises
A muscle bruise, or muscle contusion, occurs when a direct blow from an object strikes part of the body, damaging the underlying muscle fibres and connective tissue without breaking the skin. This break in blood vessels leads to bleeding beneath the skin, resulting in pain, swelling and skin discolouration. Bruises are often caused by falls, sports injuries, car accidents, or blows received from other people or objects.
The main symptoms of a bruise are pain, swelling and skin discolouration. The bruise begins as a pinkish red colour that can be very tender to touch. Eventually, the bruise changes to a bluish colour, then greenish-yellow, and finally returns to normal skin colour as it heals. It is often difficult to use the muscle that has been bruised. For example, a deep thigh bruise is painful when walking or running.
In more severe cases, bruises can lead to serious tissue damage and complications. Two of the more common complications are compartment syndrome and myositis ossificans. Compartment syndrome results from increased pressure on the soft tissues and structures beneath the skin, decreasing the supply of blood and oxygen to the tissues. Myositis ossificans is a deep muscle bruise or repeated trauma to the same muscle that causes muscle tissues to harden and form bone. This complication can dangerously affect your range of motion.
Most contusions are minor and will heal quickly with at-home care. To aid the healing process, it is recommended that you rest the injured muscle, apply ice, wear a compression bandage, and elevate the affected area.
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Bruise treatment
A bruise is caused by a blow or impact that breaks the small blood vessels beneath the skin, causing blood to leak out and creating the typical black-and-blue mark. Bruises usually heal within two weeks and will change colour as they heal. Bruises can also occur in muscles, known as muscle contusions, which are caused by a direct, blunt blow to the muscle. Muscle contusions can range from mild to severe and are almost always painful.
The treatment for bruises is relatively straightforward and can be done at home in most cases. Here are some steps to treat bruises effectively:
- Rest: It is important to rest the affected area and avoid strenuous activities to prevent further injury and speed up recovery.
- Ice: Applying ice wrapped in a cloth or towel to the bruise can help reduce swelling and speed up healing. Ensure you do not put ice directly on the skin and limit application to 10-15 minutes at a time, several times a day.
- Compression: Compressing the bruised area with a bandage or wrap can help reduce swelling and provide support.
- Elevation: Keep the bruised area raised above the level of the heart if possible. This helps to reduce blood pooling and swelling.
- Pain relief: Over-the-counter pain medication such as acetaminophen (Tylenol) can help manage pain and discomfort associated with the bruise.
- Heat therapy: After the first 48 hours, applying heat with a heating pad or warm compress can boost circulation and help clear up the bruise. Be careful not to overheat the area, and avoid heat therapy if there is an open wound.
- Nutrition: Certain vitamins, such as vitamins C, K, and B12, support blood health and can help reduce bruising. Include citrus fruits, strawberries, and other vitamin-rich foods in your diet to promote healing.
For muscle contusions, at-home care is usually sufficient for mild to moderate cases. Rest, ice, compression, and elevation are also recommended for muscle bruises, along with over-the-counter pain medication. In more severe cases, medical care may be required, especially if there are signs of complications such as rapid swelling or numbness.
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Complications of bruises
Bruises are usually not dangerous and go away without treatment within a couple of weeks. However, there are some complications to be aware of.
Firstly, if you experience frequent or unexplained bruising, it may be a symptom of an underlying condition. For example, bruising can be caused by medication such as anticoagulants, antiplatelet medicine, aspirin, steroids, or chemotherapy drugs. It can also be caused by conditions that affect your blood platelet count, such as autoimmune diseases, leukemia, hemophilia, or liver disease. If you are concerned about frequent or unexplained bruising, you should see a healthcare provider, who may order tests to rule out possible causes.
Secondly, severe bruising may be dangerous or cause serious complications. For example, further bleeding and excess fluid may accumulate, causing a hard, fluctuating lump or swelling hematoma. This can potentially lead to compartment syndrome, a life-threatening condition in which the swelling cuts off blood flow to the tissues.
Additionally, the trauma that caused the bruise may have also caused other severe and potentially fatal harm to internal organs. For example, impacts to the head can cause traumatic brain injury, including bleeding, bruising, and massive swelling of the brain, which can potentially lead to a concussion, coma, or death.
Finally, bruises can sometimes become infected. Signs of infection include streaks of redness, pus or other drainage, or fever. If you notice any of these symptoms, you should seek medical attention.
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Prevention of bruises
Bruises are a common skin injury that usually disappears with time. They are caused by broken blood vessels that leak blood, which then collects under the skin, forming a mark that can be black, blue, purple, brown, or yellow. Bruises can occur from a fall, accident, sports injury, or medical procedure.
While bruises usually go away without treatment, there are several measures that can be taken to prevent them from forming in the first place. Here are some ways to prevent bruises:
First Aid and Immediate Treatment
If you experience an injury that may cause a bruise, it is important to act quickly. Apply ice to the affected area as soon as possible to reduce blood flow and prevent blood from leaking into the surrounding tissue. Use an ice pack, a bag of frozen vegetables, or a cold compress, and wrap it in a cloth or towel to protect your skin. Apply ice for 10 minutes at a time, with 20-minute breaks in between. This will help minimize the severity of the bruise and reduce swelling.
Elevation and Rest
After an injury, it is crucial to elevate the affected area above the level of your heart. This helps to control bleeding and swelling by using gravity to prevent blood from pooling at the injury site. Combine elevation with rest to keep the bruise as small as possible. Avoid putting weight or pressure on the injured area, as this can worsen the bruise and prolong healing.
Compression
Using an elastic bandage to wrap the injured area can provide compression and help prevent blood vessels from leaking. Compression also reduces pain and swelling by squeezing the tissues and limiting blood flow to the bruise. Make sure not to wrap the bandage too tightly, as this can restrict circulation.
Protective Gear and Exercise Techniques
When participating in contact sports or extreme activities, always wear protective gear, such as padding or a customized protective device, to shield the injured area from direct blows and spread out the force of impact. Additionally, proper training and exercise techniques are important. This includes warming up and cooling down before and after sports to prevent overworking your muscles.
Nutritional Support
Certain vitamins and natural substances can help reduce the severity of bruises and promote healing. Vitamin C has anti-inflammatory properties and can be applied topically or taken as a supplement. Vitamin K cream aids in blood clotting and can be gently rubbed onto the bruise twice a day. Aloe vera gel can reduce pain and inflammation when applied topically. Arnica cream and bromelain, an enzyme found in pineapple, may also help speed up the healing process.
While bruises are common and often minor, it is important to see a healthcare provider if you experience frequent, unexplained, or severe bruising, as this may indicate an underlying condition.
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Frequently asked questions
A bruised muscle, or muscle contusion, occurs when a direct blow from an object strikes part of the body, damaging the underlying muscle fibres and connective tissue without breaking the skin.
A bruised muscle is typically caused by a direct, blunt blow to the muscle. This can happen during contact sports, or by falling onto or running into a blunt object.
Most muscle bruises can be treated at home with rest, ice, compression, and elevation. Anti-inflammatory medications can also be used to reduce inflammation and speed up recovery.
