Abstract
The aim was to investigate differences by sex and music expertise in performance of a manual proprioceptive skill. Active left hand finger-movement discrimination for differences in string height was examined in a position similar to cello playing. Men and women who were experienced cellists and nonmusicians made active string depression movements and then made absolute judgments regarding which of five string positions were presented. Although no main effect was significant, analysis yielded a sex x musicianship crossover interaction (F(1,51) = 8.4, p = .006) wherein the female cellists performed better than the female nonmusicians, and the reverse occurred for males. These significant differences in active movement discrimination across sex and musicianship may be important in further understanding focal hand dystonia, a disorder wherein the interaction of sex and expertise is observed as a strong preponderance in experienced male musicians.
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