The (also known as the leptosome or leptosomic type ) refers to a specific physical constitution characterized by a slender, fragile, and elongated build. This classification is most prominently associated with Ernst Kretschmer , a 20th-century German psychiatrist who theorized that physical build is linked to personality and mental health. Physical Characteristics
In historical psychological theories, the asthenic type was contrasted with the (muscular) and pyknic (rotund) types. asthenic type
The asthenic body type is defined by a lack of thickness in muscles and bone structure relative to length. Key features include: The (also known as the leptosome or leptosomic