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A bruised muscle, or muscle contusion, is an injury to the muscle fibres and connective tissues. It is caused by a direct blow from a blunt object or trauma to a body part, crushing the muscle fibres without breaking the skin. Bruised muscles are often associated with the muscles in the upper leg and are common in contact sports such as football, rugby, and lacrosse. Symptoms include pain, swelling, and skin discolouration, and they can be treated with rest, ice, compression bandages, and elevation of the injured area.
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What You'll Learn
- Causes: Trauma, colliding with a hard surface, or a direct blow from a blunt object
- Symptoms: Pain, swelling, skin discolouration, and reduced range of motion
- Treatment: Rest, ice, compression, elevation, and pain medication
- Complications: Compartment syndrome, myositis ossificans, and internal bleeding
- Prevention: Protective gear, such as thigh pads and elbow pads, and avoiding falls
Causes: Trauma, colliding with a hard surface, or a direct blow from a blunt object
A muscle contusion or bruised muscle is a painful injury that occurs when a direct blow or blunt force is applied to the muscle. This can happen when colliding with a hard surface or another person, or when falling and jamming the body against a hard surface. The impact crushes the muscle fibres and connective tissue beneath the skin, causing bleeding into the muscle tissue, which results in pain, swelling, and skin discoloration.
Contact sports such as football, rugby, lacrosse, soccer, and basketball provide many opportunities for athletes to suffer muscle contusions. For example, a quadriceps (thigh muscle) contusion is one of the most common injuries in contact sports, especially American football. Strong forces like tackling or falling on top of someone can easily lead to bruises on these muscles.
Muscle contusions can also occur due to traumatic events like car accidents or falls, which are more common in older adults due to an increased risk of falling. Other factors that can increase the risk of a muscle contusion include malnutrition, which can cause weakness and dizziness, and bleeding disorders such as hemophilia, which can make it more likely for blood vessels to break after an impact.
The symptoms of a muscle contusion include pain, swelling, skin discoloration, and limited range of motion of the joint near the injury. In more severe cases, additional symptoms may include muscle hematoma (a buildup of blood in the muscle tissue), sprain, dislocated joint, muscle strain, broken bone, and damage to internal organs if the hit was to the abdomen.
Most muscle contusions are minor and can be treated at home with rest, ice, compression bandages, and elevation of the injured area. However, severe contusions can cause deep tissue damage and lead to serious medical complications that may require surgery and prevent athletes from playing sports for extended periods.
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Symptoms: Pain, swelling, skin discolouration, and reduced range of motion
A muscle contusion, or bruised muscle, occurs when there is a direct blow to the muscle, usually from a blunt object. This crushes the muscle fibres and connective tissue without breaking the skin, causing blood vessels to break and bleed into the muscle.
Muscle bruises often cause pain, swelling, and skin discolouration. The skin above the bruise may appear pinkish-red at first, then bluish, then greenish-yellow, before returning to a normal skin colour as it heals. The area will be tender to touch and the muscle will be difficult to use. For example, a deep thigh bruise may cause pain when walking or running.
Swelling and skin discolouration can indicate the severity of the injury. Grade 1 contusions produce mild bruising, little pain, and no swelling, while Grade 2 contusions cause mild pain and some swelling. Grade 3 contusions are severe and very painful, with noticeable swelling and obvious bruising at the site of the injury.
The injury may also cause a reduced range of motion in the joint near the injury. For example, a severe quadriceps contusion may result in a significant loss of motion in the knee and cause an obvious limp.
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Treatment: Rest, ice, compression, elevation, and pain medication
A muscle contusion is a bruise in your muscle that results from a direct, blunt blow. At-home care is usually enough to treat most muscle bruises, but moderate to severe cases may require medical attention.
Rest is crucial for healing a bruised muscle. It is recommended that you refrain from exercising for at least five to seven days after the injury to give it time to recover.
Ice therapy is an effective way to reduce pain and swelling. Apply ice to the injured area for the first 24 to 72 hours after the injury. This will help to dull the pain and minimise swelling.
Compression can be achieved by wearing an elastic bandage around the bruised muscle. This will provide support and help to reduce swelling.
Elevation of the affected area while resting is also important. By raising the injured muscle above the level of your heart, you can help to reduce swelling and promote healing.
Over-the-counter pain medications, such as non-steroidal anti-inflammatory drugs (NSAIDs), can be used to manage pain and decrease inflammation while the muscle contusion heals. It is recommended that you do not use NSAIDs for more than a few days to a week.
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Complications: Compartment syndrome, myositis ossificans, and internal bleeding
A muscle contusion, or bruised muscle, is a painful injury that occurs when a direct blow by a blunt object crushes muscle fibres and connective tissue without breaking the skin. This break in blood vessels leads to bleeding into the affected muscle. While at-home care is usually enough to treat most muscle bruises, more severe cases may require medical attention and can lead to complications such as compartment syndrome, myositis ossificans, and internal bleeding.
Compartment Syndrome
Compartment syndrome is a painful buildup of pressure around muscles, which restricts the flow of blood, oxygen, and nutrients to muscles and nerves. This condition can happen to any muscle group but is most common in the legs, arms, abdomen, and buttocks. Acute compartment syndrome occurs suddenly after a severe injury and requires immediate medical attention, as it can lead to permanent muscle damage, paralysis, or death if left untreated. Chronic compartment syndrome, on the other hand, develops over time after intense physical activities or exercise and is typically not an emergency.
Myositis Ossificans
Myositis ossificans occurs when bone tissue forms in soft tissues or muscles, often as a result of a traumatic injury. It is most common in young, active individuals and athletes, and it presents as a painful, tender lump that reduces the range of motion, especially when the growth is near a joint. Myositis ossificans can usually be treated with non-surgical options.
Internal Bleeding
Internal bleeding is a serious consequence of trauma, where blood vessels inside the body are torn or crushed by blunt force or penetrating objects. It can result from obvious injuries that require immediate medical attention, or it may occur after less severe trauma and be delayed by hours or days. Symptoms of internal bleeding include light-headedness, dizziness, fainting, abdominal pain, swelling, tightness, and pain in the affected areas. Treatment for internal bleeding may involve surgery or observation, depending on the severity and location of the injury.
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Prevention: Protective gear, such as thigh pads and elbow pads, and avoiding falls
A muscle contusion, or bruised muscle, occurs when there is a direct blow to the muscle by a blunt object. This crushes the muscle fibres and connective tissue without breaking the skin, but it does break the blood vessels, leading to bleeding into the muscle. This can be extremely painful and cause swelling, skin bruising, weakness, and stiffness. In more severe cases, there may be additional injuries, such as a muscle hematoma, sprain, dislocated joint, or even broken bone.
To prevent muscle bruises, especially in the thigh area, it is important to wear protective gear, such as thigh pads or padded thigh sleeves, when participating in contact sports or activities that could lead to impact on the thigh. This protective gear acts as a barrier, shielding the thigh muscles from direct hits and reducing the chances of a severe bruise. Additionally, following the rules of the game in contact sports can help avoid unnecessary blows to the thigh. For example, in American football, the rule against "spearing" protects both the head and neck of the players while also reducing the likelihood of a direct hit to the thigh.
For those who are older or at risk of falling, taking precautions to avoid falls can help prevent not only muscle bruises but also more severe injuries. This may include addressing malnutrition, which can cause weakness and dizziness, thereby increasing the risk of falling. Managing any underlying conditions, such as bleeding disorders, can also reduce the likelihood of experiencing a muscle contusion from a fall.
In addition to protective gear, simple measures such as stretching the thigh muscles before exercise or sports can help reduce the chances of injury. This is because stretching increases blood flow to the muscles, improving their flexibility and making them less susceptible to damage. It is also important to listen to your body and allow adequate time for recovery. Returning to activities too soon after an injury can lead to further complications and prolong the healing process.
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Frequently asked questions
A bruised muscle, or muscle contusion, is an injury to your muscle fibres and connective tissues. It 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.
Bruised muscles are typically caused by trauma or blunt force to a body part. This trauma crushes the muscle fibres. Muscle contusions are very common in contact sports such as football, rugby, and lacrosse, but they can also occur in non-contact sports. They can also be caused by falls or car accidents.
During the first 24 to 48 hours after injury, rest, ice, compression bandages, and elevation of the injured area are usually recommended to control bleeding, swelling, and pain. After a few days, inflammation and swelling should start to decrease, and your doctor may advise you to apply gentle heat to the injury and start rehabilitation.
