Publications by authors named "Jordan Andre Martenstyn"

Muscle dysmorphia (MD) is a psychological disorder defined by a pathological belief that one lacks muscularity and has excess body fat. To date, treatment research on MD has been sparse. We conducted a pilot feasibility and acceptability study investigating the preliminary efficacy of an 8-week telehealth cognitive-behavioural therapy (CBT) intervention for adults with diagnosed MD.

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Background: Compulsive exercise is a core feature of both eating disorders and muscle dysmorphia. Earlier models of treatment recommended complete abstinence from exercise in eating disorder populations, but recent guidelines advocate for the gradual inclusion of healthier forms of exercise into an overall treatment plan where appropriate. Given the association between problematic exercise behaviour and poorer prognosis, there has been a recent upsurge in the number of treatment interventions for compulsive exercise in eating disorders.

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Background: Previous epidemiological studies examining the association between physical activity (PA) and mortality risk have measured absolute PA intensity using standard resting metabolic rate reference values that fail to consider individual differences. This study compared the risk of all-cause and cardiovascular mortality between absolute and corrected estimates of PA volume.

Methods: 49,982 adults aged ≥40 years who participated in the Health Survey for England and Scottish Health Survey in 1994-2008 were included in our study.

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