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Muscle contractures are the stiffening and tightening of muscles, often due to injury, disease, or lack of use. This can lead to a loss of flexibility and range of motion in the affected joint, causing difficulty in movement. In some cases, muscle contractures can result in joint deformities, particularly when the joint becomes immobilized and the muscles shorten and harden, causing rigidity. This can be a common issue for people with certain neurological or musculoskeletal conditions, such as cerebral palsy or muscular dystrophy, and can also develop after long periods of inactivity or immobilization, such as hospital stays or intensive care. Treatment options include physical therapy, casts, and in some cases, surgery to lengthen muscles and repair ligaments, tendons, or bones.
| Characteristics | Values |
|---|---|
| Definition | Contracture deformity is the result of stiffness in the connective tissues of the body. |
| Causes | Inactivity, scarring from an injury or burn, cerebral palsy, muscular dystrophy, nerve damage, central nervous system diseases, osteoarthritis, rheumatoid arthritis, stroke, paralysis, diabetes, neuromuscular disorders, spinal injuries, brain injuries, spinal muscular atrophy, age-related muscle loss, genetic disorders, etc. |
| Symptoms | Pain, loss of movement in the joint, muscle stiffness, muscle cramping, muscle atrophy, strength loss, etc. |
| Treatment | Medicine, casts, physical therapy, electrical stimulation, surgery, etc. |
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What You'll Learn
- Muscle contractures are caused by inactivity and scarring from injuries or burns
- Joint contractures are common in patients discharged from intensive care units or after long hospital stays
- Muscle contractures can be caused by neurological injuries that increase muscle tone or weakness, resulting in a tonic contraction
- Joint contractures can be caused by diseases such as cerebral palsy, muscular dystrophy, multiple sclerosis, and osteoarthritis
- Muscle contractures can be treated with medicine, casts, physical therapy, nerve blocks, electrical stimulation, and surgery
Muscle contractures are caused by inactivity and scarring from injuries or burns
Muscle contractures are a result of stiffness in the connective tissues of the body. They occur when muscles, tendons, joints, or other tissues tighten or shorten, causing a deformity. This leads to muscle, ligament, and joint stiffness, resulting in a loss of movement in the affected joint.
Muscle contractures are commonly caused by inactivity and scarring from injuries or burns. Inactivity, such as prolonged bed rest or a lack of use of certain muscle groups, can lead to muscle contractures. This is because muscles need movement and stretching to maintain their elasticity. When a muscle loses its elasticity, it becomes stiff and tight, making it difficult to move and stretch, which in turn affects the mobility of nearby joints.
Scarring from injuries or burns can also cause muscle contractures. When a muscle is injured, scar tissue can develop, joining muscle fibers and joints together. This restricts movement and, without treatment, can lead to a permanent loss of range of motion. Burns can cause contractures of the skin, muscles, and joints, resulting in similar restrictions in movement.
In addition to inactivity and scarring, muscle contractures can also be caused by underlying diseases or conditions. For example, people with severe osteoarthritis or rheumatoid arthritis often develop contractures due to reduced mobility and joint stiffness. Other conditions such as cerebral palsy, muscular dystrophy, multiple sclerosis, and neuromuscular disorders are also associated with an increased risk of muscle contractures.
It is important to seek medical treatment for muscle contractures, as delaying treatment can lead to irreversible symptoms. Treatment options include physical therapy, casts and splints, medication, nerve blocks, electrical stimulation, and, in some cases, surgery to lengthen muscles or repair ligaments, tendons, or bones.
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Joint contractures are common in patients discharged from intensive care units or after long hospital stays
Joint contractures are a common occurrence in patients who have been discharged from intensive care units or after long hospital stays. They are the result of stiffness in the connective tissues of the body, which causes a permanent shortening and tightening of muscle fibres, reducing flexibility and making movement difficult. This can be caused by a lack of movement and scarring from an injury or burn.
Research has shown that 39% of patients who stayed for 2 weeks or more in an academic hospital ICU experienced joint contractures, often in more than one joint. These contractures were found to impair function and persisted until the time of discharge. Joint contractures in ICU patients have also been associated with higher mortality rates.
Patients who have been immobile for a long period are at a high risk of developing joint contractures. This includes those who have been in critical care, as well as those with conditions that limit mobility, such as severe osteoarthritis or rheumatoid arthritis. In addition, people who have suffered a stroke and resulting paralysis are also prone to joint contractures.
Joint contractures can cause pain and loss of movement in the joint. Treatment options include medicine, casts and physical therapy. In some cases, surgery may be required to lengthen muscles or repair ligaments, tendons or bones. It is important to seek treatment as soon as possible to prevent irreversible damage and improve long-term quality of life.
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Muscle contractures can be caused by neurological injuries that increase muscle tone or weakness, resulting in a tonic contraction
Muscle contractures are caused by the stiffening and tightening of muscles, tendons, joints, or other tissues, resulting in reduced flexibility and pain. This can be due to disease, inactivity, or injury, including neurological injuries.
Neurological injuries that affect the central nervous system (CNS), such as brain or spinal cord damage, can cause muscle contractures. This is because the CNS plays a crucial role in controlling muscle movement. When there is damage to the nerves in the CNS, the normal pattern of muscle contraction and relaxation can be disrupted, leading to involuntary contractions. For example, conditions such as cerebral palsy, muscular dystrophy, and multiple sclerosis are associated with muscle contractures due to the underlying neurological impairments that affect muscle stimulation and nerve supply.
In the case of cerebral palsy, there is a decrease in satellite cells, which are responsible for repairing muscle tissue and preventing fibrosis or stiffening. This leads to a higher risk of muscle contractures in the hips, knees, and ankles. Similarly, muscular dystrophy is characterised by muscle weakness and wasting due to reduced nerve supply, resulting in stiff and tight muscles that inhibit the functional range of motion needed for joint movement.
Spasticity, a disruption in muscle movement patterns, is another neurological complication that can lead to muscle contractures. It causes certain muscles to contract involuntarily and simultaneously when a person tries to move or even at rest. Spasticity is often a symptom of neurological conditions, including brain injuries, amyotrophic lateral sclerosis (ALS), and hereditary spastic paraplegias.
The contractile activity of muscles can be influenced by neurological inputs, and in the case of smooth muscle cells, this activity can be tonic (sustained) or phasic (transient). Tonic contractions in smooth muscle cells are influenced by neural inputs, among other factors, and can lead to sustained muscle contractions. Therefore, neurological injuries that impact neural inputs to smooth muscle cells could potentially contribute to tonic contractions and subsequent muscle contractures.
In summary, neurological injuries that affect the CNS, nerve supply, or neural inputs can increase muscle tone or weakness, resulting in tonic contractions and muscle contractures. The underlying neurological impairments associated with various conditions, such as cerebral palsy and muscular dystrophy, contribute to the development of muscle contractures through reduced muscle stimulation, decreased satellite cells, and impaired nerve supply. Additionally, spasticity, a common symptom of neurological conditions, can also lead to involuntary contractions and muscle contractures.
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Joint contractures can be caused by diseases such as cerebral palsy, muscular dystrophy, multiple sclerosis, and osteoarthritis
Joint contractures are caused by stiffness in the connective tissues of the body, which limits joint motion in a particular direction. This can be caused by inactivity, scarring from an injury or burn, or diseases that affect mobility, such as cerebral palsy, muscular dystrophy, multiple sclerosis, and osteoarthritis.
Cerebral palsy is a condition that causes increased muscle tone, resulting in a tightening or shortening of the joint. This can lead to abnormal gait and postures, and if left untreated, can cause extreme pain and frequent bone fractures. Spastic cerebral palsy can be treated with physical therapy, which can improve flexibility, strength, mobility, and function. In more severe cases, surgery may be required to lengthen or release certain tendons or muscles to improve the range of motion.
Muscular dystrophy is a group of diseases that cause muscles to become weaker and lose mass over time. It affects the muscles needed for walking and using the arms, as well as muscles in the shoulders, upper arms, and calves. It can also affect breathing and coughing. Muscular dystrophy can cause shortening of muscles or tendons around joints, leading to contractures and further limiting walking and arm use.
Multiple sclerosis is a progressive neuromuscular disease that can cause joint contractures and muscle weakness. The prevalence of joint contractures in people with multiple sclerosis has been studied, and treatment options include stretching, orthotics, and surgery.
Osteoarthritis is a form of arthritis that can cause joint contractures. It is the most common form of arthritis and is the fastest-growing chronic disease worldwide. Joint replacement surgery for arthritis can release contractures, improving the range of motion.
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Muscle contractures can be treated with medicine, casts, physical therapy, nerve blocks, electrical stimulation, and surgery
Muscle contractures can cause joint deformities. They are caused by damage to the brain before or after birth, injury, or inactivity. Muscle contractures can be treated with medicine, casts, physical therapy, nerve blocks, electrical stimulation, and surgery.
Medicine
Doctors can treat muscle contractures with medicine. For instance, anti-inflammatory medication can be used to treat nerve pain.
Casts
Serial casting is a non-surgical treatment that involves applying a series of casts to a limb or joint to improve the range of motion, reduce contractures, and correct deformities in joints affected by neuromuscular conditions. It is often used to treat cerebral palsy, muscular dystrophy, and spina bifida.
Physical Therapy
Physical therapy and occupational therapy are two of the most common treatments for contractures. Physical therapy can also involve the use of electrical stimulation, which may help repair tissue and strengthen muscles.
Nerve Blocks
Nerve blocks are injections of medication close to a targeted nerve or group of nerves to provide temporary pain relief. They can also be used to diagnose the source of nerve pain.
Electrical Stimulation
Electrical muscle stimulation involves sending electrical impulses through the skin to target nerves or muscles. It can help treat pain and heal injured, weak, or diseased muscles by improving blood flow and stimulating muscle fibres or nerves.
Surgery
Surgery may be needed to lengthen muscles or repair ligaments, tendons, or bones damaged in an accident.
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Frequently asked questions
A muscle contracture is the stiffening of muscles due to disease or lack of use. It is caused when a muscle loses elasticity and can no longer be stretched.
Muscle contractures are caused by inactivity, scarring from previous injuries, and diseases such as cerebral palsy, muscular dystrophy, and multiple sclerosis. They can also be caused by nerve damage and central nervous system diseases.
Muscle contractures cause joints to lose mobility and become painful. The stiffening and tightening of muscles prevent body parts from being moved out and away from the body. This results in a total loss of movement around the joint, ultimately causing joint deformity.
Doctors can treat muscle contractures with medicine, casts, and physical therapy. In some cases, surgery may be needed to lengthen muscles or repair ligaments, tendons, or bones.
