Key result
Acting performances linked to decreased RR and JT interval discriminants after isometric muscle relaxation.
Why the study?
The dynamic characteristics of ECG parameters during performance of different genre roles by actors were not well understood.
Does performing different genre roles alter dynamic characteristics of ECG parameters in acting students?
Observational (n=21)
No
Does performing different genre roles alter dynamic characteristics of ECG parameters in acting students?
Answers are grounded in this paper and cite their sources.
ECG parameter complexity varies significantly only during the initial stage after isometric muscle relaxation in acting students during performance.
The purpose of the study was to assess the dynamic characteristics of ECG parameters while performing different genre roles played by students of the Lithuanian Academy of Music and Theatre. Discriminant of the matrix was employed to assess the strength of the relation between a pair of two parameter sequences. The results of the conducted research showed that discriminant of regulatory and supplying systems decreased at different stages of the study process. In addition, the results revealed that the average discriminant values vary greatly only in the first stage – after isometric muscle relaxation ( p < 0.05). No statistically significant differences were found for the rest of the stages ( p ≥ 0.05).
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Grabstaite et al. (2020) conducted an observational in Healthy acting students (n=21). Performing different genre roles vs. Rest was evaluated on Discriminant of RR and JT intervals (Disc RR/JT) (p=<0.05). The discriminant of RR and JT intervals decreased during acting performances, with significant variation observed only in the first stage after isometric muscle relaxation (p<0.05).
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