A Cross-Sectional Study Comparing Traumatic Alopecia Among B-Boys and B-Girls to Other Dance Styles and Its Impact on Dance Performance and Health.

Introduction: Breaking, often mislabeled as breakdancing in the media, is a dance style originating from the Bronx of New York in the early 1970s. A unique condition in this population is a form of alopecia known as "headspin hole," or "breakdancer overuse syndrome" of the scalp. This form of hair loss may show a variety of patterns based on the activities of the dancer.

Occupational Health Problems of Classical Guitarists.

Aims: Classical guitarists may experience unique occupational health problems due to a constellation of biopsychosocial demands associated with the physical characteristics of the classical guitar, performance techniques, repertoire, and performance practices consistent with the classical music genre. Unfortunately, epidemiologic studies of classical guitarists are limited. The purpose of this study was to examine musculoskeletal and non-musculoskeletal problems in classical guitarists.