
Muscle dysmorphia (MD) is a mental health condition and subclass of Body Dysmorphic Disorder (BDD) that causes a preoccupation with building muscle due to the belief that one's body is too small or not muscular enough. It is associated with a number of thoughts and beliefs about oneself, including the belief that one's body is not sufficiently muscular or large enough, and negative thoughts about one's body that lead to difficulty focusing. MD mainly affects males, with symptoms usually beginning in the late teens or early adulthood. It is also more common among men than women, with a 2022 study of 3,618 Australian teenagers finding that 2.2% of boys and 1.4% of girls lived with MD.
| Characteristics | Values |
|---|---|
| Definition | Being preoccupied by worries that one’s body is “too small” or “not muscular enough” despite having a normal or very muscular build |
| Gender | Primarily affects men, although women can also suffer from the disorder |
| Age | Onset is typically in late adolescence or early adulthood, but can also develop later in life |
| Prevalence | Approximately 100,000 people worldwide meet the psychological criteria for muscle dysmorphia, but the actual number of cases is likely higher due to the difficulty in diagnosis |
| Risk Factors | Experiencing or observing traumatic events, adolescent bullying or ridicule, low self-esteem, vulnerable narcissism, involvement in sports that emphasize size, strength, or weight, societal and cultural influences that promote muscularity |
| Symptoms | Excessive exercise, rigid diet, use of dietary supplements or anabolic steroids, preoccupation with appearance, social withdrawal, distress when one's body is viewed by others, interference with daily activities and relationships |
| Treatment | Psychotherapy, cognitive behavioral therapy, and education are recommended treatments, but individuals with muscle dysmorphia often deny the problem and refuse mental health treatment |
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Diagnosis and symptoms
Muscle dysmorphia, also known as "bigorexia" or "reverse anorexia", is a specific type of body dysmorphic disorder (BDD). It is a psychopathological condition, which means that it affects an individual's thoughts and behaviours in problematic ways. People with muscle dysmorphia are obsessively concerned with their muscularity and leanness. They usually believe that their bodies are small and weak, despite often having a normal or well-muscled build. This results in a mismatch between their body image and reality, with a compulsion to create an "ideal" body by fixing this perceived flaw.
Muscle dysmorphia is associated with a number of thoughts and beliefs, including the belief that one's body is not sufficiently muscular and large enough, leading to negative thoughts about one's body that cause difficulty in focusing attention. People with muscle dysmorphia may also believe that others negatively evaluate their appearance.
There are several behavioural signs of muscle dysmorphia. Those with the condition may excessively work out or lift weights for multiple hours a day, constantly check their appearance in mirrors, or engage in mental rituals comparing their muscularity to that of others. They may also withdraw from their usual activities or friends due to concerns about their body size and muscle appearance.
Muscle dysmorphia is more common in boys and men than in girls and women, with approximately 2.2% of adolescent boys and 1.4% of adolescent girls in Australia meeting the criteria for the condition. It typically starts in the late teens or early adulthood, although it can also develop later in life. While the number of individuals affected is unknown, research indicates that between 1.7% and 2.4% of individuals meet the criteria for body dysmorphic disorder.
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Risk factors
Muscle dysmorphia, also known as bigorexia or reverse anorexia, is an obsession with the idea of being too small and a compulsion to increase muscularity through weightlifting, dieting, and even drug use. It is a form of body dysmorphic disorder that results in a variety of obsessive-compulsive behaviours.
Biological Factors
Genetics plays a role in muscle dysmorphia, with some individuals being genetically predisposed to developing the disorder.
Psychological Factors
People with low self-esteem are more likely to develop muscle dysmorphia. The disorder is characterized by a constant worry about physical imperfections and a strong dissatisfaction with body image.
Social Factors
The influence of society, media, and sports can create pressure to achieve an ideal body. This is particularly true in work environments where weight, image, and appearance are important factors, such as modelling, acting, ice skating, dancing, or bodybuilding. Additionally, the "strong, not skinny" culture that emphasizes building and toning muscles can contribute to the risk of developing muscle dysmorphia.
Environmental Stressors
Environmental stressors, in combination with genetic predispositions, can increase the risk of developing muscle dysmorphia. These stressors can include societal pressures, personal experiences, or other factors that contribute to an individual's perception of their body image.
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Treatment
Muscle Dysmorphia (MD) is a mental health condition characterized by an intense preoccupation with the idea that one's body is not muscular enough. While it is not an eating disorder, it may have some overlap with eating disorders and can lead to clinically significant distress or impairment in various areas of life.
People with MD may seek remedies like plastic surgery to "correct" their perceived flaws rather than psychological help. However, treatment for MD is critical to prevent continued struggles with obsessive thinking and compulsive behavior. Here are some potential treatment options for MD:
Cognitive Behavioral Therapy (CBT)
CBT is a commonly recommended initial treatment approach for MD. It has been shown to be effective in treating Body Dysmorphic Disorder (BDD), which MD is a type of, and it contains a specific module for addressing MD symptoms. CBT can help individuals with MD challenge their negative thoughts and beliefs about their body image and develop healthier coping strategies.
Dialectical Behavior Therapy (DBT)
DBT is another type of therapy that may be effective in treating MD. It is often used for treating eating disorders, which have some similarities to MD. DBT can help individuals with MD regulate their emotions, improve their distress tolerance, and develop healthier coping mechanisms to manage their symptoms.
Enhanced Cognitive Behavioral Therapy for Eating Disorders
This enhanced form of CBT is specifically designed to address the unique challenges of eating disorders, which may overlap with MD symptoms. It can help individuals with MD address any disordered eating patterns, such as excessive calorie counting or restrictive eating, and improve their relationship with food.
Medication
In some cases, medication may be prescribed to help manage the symptoms of MD. Antidepressants or anxiety medication can be used to treat co-occurring mental health conditions, such as depression or anxiety, which are commonly seen in individuals with MD. It is important to note that medication should be used in conjunction with therapy and not as a standalone treatment for MD.
Support Groups and Peer Support
In addition to individual therapy, participating in support groups or peer support programs can be beneficial for individuals with MD. Connecting with others who understand the challenges of MD can provide a sense of community and reduce feelings of isolation. Support groups can also offer additional accountability and encouragement during the recovery process.
Addressing Substance Use
For individuals with MD who are using anabolic steroids or other appearance- and performance-enhancing drugs, addressing substance use is an important part of treatment. Quitting steroid use can be challenging and may require medical supervision to ensure a safe withdrawal process. Additionally, treating underlying mental health issues that contribute to substance use can help reduce the risk of relapse.
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Prevalence
The exact number of individuals affected by muscle dysmorphia (MD) is unknown. However, research indicates that between 1.7% and 2.4% of individuals meet the criteria for body dysmorphic disorder (BDD), of which MD is a subset.
One study found that about 22% of men with BDD also met the criteria for MD, suggesting that about 0.5% of men in the general population may have MD. It is important to note that these numbers may be underestimates, and more research is needed.
MD prevalence can vary among different demographic groups. For example, a 2022 study of 3,618 Australian teenagers aged 11-19 years found that 2.2% of boys and 1.4% of girls had MD. The study authors suggested a marginal association of MD with older age but not with gender or socioeconomic status.
MD is also prevalent among individuals who participate in appearance-related sports or activities, such as bodybuilding or weightlifting. A 2018 study of 120 bodybuilders found that 58.3% had high Muscle Dysmorphia Disorder Inventory (MDDI) scores, a scale used to measure MD symptoms. Another study of entry-level U.S. military personnel found a prevalence rate of MD of 12.7% in males and 4.2% in females, higher than expected.
MD typically begins in adolescence or early adulthood, and the rate of body dysmorphia among adolescents is rising. Social media and cultural influences that promote unrealistic models of bodily perfection may play a role in the development of MD.
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Muscle dysmorphia and gender
Muscle dysmorphia, or MD, is a form of body dysmorphic disorder (BDD) that involves a preoccupation with building muscle due to the belief that one's muscles are smaller than they are. This belief can persist even when one has an extremely "buff" physique. MD mainly affects males, with symptoms usually beginning in late teens or early adulthood. However, it is important to note that MD can also affect individuals of other genders, and its prevalence can vary among different demographics. For example, a 2022 study of Australian teenagers found that 2.2% of boys and 1.4% of girls lived with MD, suggesting a marginal association with older age rather than gender.
MD is often associated with a distorted perception of one's body and muscles, sometimes appearing delusional to others. Individuals with severe MD may sacrifice relationships, interests, financial stability, and careers to pursue their obsession with increasing muscularity. They may also engage in dangerous behaviours such as excessive exercise, dietary restriction, and the use of growth-enhancing drugs or anabolic steroids. The onset of MD is typically between the ages of 18 and 20, but body dissatisfaction has been observed in boys as young as six years old.
The causes of MD are not well understood, but several risk factors have been identified. These include genetic predisposition, environmental stressors, and societal pressures. Western media and marketing campaigns often exploit male body image insecurities, contributing to the pressure to conform to idealized male bodies depicted in the media. Athletes, particularly those involved in sports that emphasize size and strength, are at an increased risk due to the pressures surrounding sport performance and societal trends promoting muscularity.
MD can significantly impact an individual's life, interfering with school, work, and social settings. It is often linked to low self-esteem, feelings of social isolation, and an increased risk of suicide. Treatment options for MD are limited, but therapy and medication have proven effective. However, the primary challenge is identifying the disorder, as it does not present like other psychobehavioral conditions such as anorexia or bulimia nervosa.
While the term "reverse anorexia" is sometimes used to describe MD, it is important to note that MD is not an eating disorder. However, there may be some overlap with eating disorders, and individuals with MD may also struggle with other mental health disorders, including mood disorders, anxiety disorders, and substance use disorder.
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Frequently asked questions
Muscle dysmorphia (MD) is a subclass of Body Dysmorphic Disorder (BDD) that involves a preoccupation with the idea that one's body is "too small" or "not muscular enough", despite having a normal or muscular build. It is often referred to as "bigorexia" or "reverse anorexia".
People with MD perceive their bodies as less muscular and smaller than they actually are. They may constantly check their appearance in mirrors or engage in mental rituals comparing their bodies to others. MD may also manifest as excessive exercise, calorie counting, and a willingness to work out even when injured.
There is no specific cause of MD, but it may be influenced by biology, childhood bullying, cultural and media influences, low self-esteem, and feelings of social isolation. People who participate in appearance-related sports may also be at a higher risk of developing MD.
Treatment for MD typically involves psychotherapy and education. Cognitive behavioural therapy (CBT) and selective serotonin reuptake inhibitors (SSRIs) have also been suggested as potential treatments. However, it can be challenging to get individuals with MD to recognise that they need treatment and seek help.





























