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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
Rivista di Medicina, Traumatologia e Psicologia dello Sport
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
ORIGINAL ARTICLES SPORT CARDIOLOGY
The Journal of Sports Medicine and Physical Fitness 2016 November;56(11):1410-6
Autonomic control of heart rate during non-linear incremental upper-limb resistance exercise with elastic bands in young healthy female subjects
Priscila RAMOS BATALHA 1, Audrey BORGHI-SILVA 2, Renato CAMPOS FREIRE Jr. 1, Fernando ZANELA DA SILVA ARÊAS 1, Guilherme PEIXOTO TINOCO ARÊAS 3 ✉
1 Department of Physical Therapy, Institute of Health and Biotechnology, Federal University of Amazonas, Coari, Brasil; 2 Physiotherapy Cardiopulmonary Laboratory, Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brasil; 3 Department of Physiological Sciences, Institute of Biological Sciences, Federal University of Amazonas, Manaus, Brasil
BACKGROUND: Elastic bands are therapeutic tools widely used in rehabilitation. However, knowledge regarding autonomic cardiovascular overload during this type of resistance exercise is limited. This study assessed the autonomic control of heart rate during an incremental exercise protocol with elastic bands in sedentary healthy young individuals.
METHODS: Ten young women were subjected to an exercise protocol involving bilateral shoulder flexion to 90° with various thicknesses of elastic bands; the exercise was performed for 36 uninterrupted repetitions with a 15-minute rest interval between sets. During the exercise, the RR intervals (R-Ri) were collected and determined, the heart rate variability was analyzed.
RESULTS: All subjects completed the exercise protocol. Heart rate increased, and RR intervals decreased from the yellow elastic band onward. However, the square root of the sum of the square of the difference of RR intervals divided by the number of RR interval, standard deviation of the arithmetic mean of all normal RR intervals, and standard deviation of the RR interval instantaneous intervals of type I decreased significantly when performed with the green band onward (P<0.05).
CONCLUSIONS: Exercise with progressive elastic load increases heart rate. However, the green elastic band induces less total and parasympathetic modulation heart rate variability.