DESENVOLVIMENTO DE METODOLOGIA PARA O ESTUDO DO PROCESSO DE AQUECIMENTO DA MÃO DIREITA DE VIOLONISTAS
Acoustic guitarrists, Thermography, Autonomic nervous system - ANS, Heart rate variability - HRV, Bioengineering.
Warm-up exercises are commonly performed by acoustic guitarists to prepare the muscles involved in playing the instrument. However, stressful circumstances can lead to ineffective warming up or even cooling down of the fingers, which can result in reduced performance. The objective of this study was to compare the effectiveness of two warming-up techniques - a vigorous one, employing "support" in the string fretting, and a new light proposal, using "no support" in the string fretting - in acoustic guitarists during stressful situations. Nine male acoustic guitarists (average age: 27.2 years, average playing experience: 10.0 years) were subjected to an adapted version of the cold pressor test, which induced physiological stress responses mimicking performance stress, before performing each of the two routines. The effectiveness of the two warming-up techniques was compared by monitoring hand temperature using an infrared camera before and during each exercise for six minutes. The study found that the light warming-up technique was significantly more effective (p = 0.002816, effect size = 135 1.42) in increasing hand warming than the vigorous warming-up technique (p = 0.3417, effect 136 size = 0.34). The results of this study provide new information that can be used to improve the performance of acoustic guitarists and may lead to further research on techniques to enhance acoustic guitar playing. The limitations of the study include the small sample size and the focus only on male participants. Future research could investigate the underlying mechanisms and possible applications of the light warming-up technique for teaching and practicing guitar playing