Jesús Vera
The intraocular pressure response to lower-body and upper-body isometric exercises is affected by the breathing pattern
Vera, Jesús; Redondo, Beatriz; Perez-Castilla, Alejandro; Koulieris, George-Alex; Jiménez, Raimundo; Garcia-Ramos, Amador
Authors
Beatriz Redondo
Alejandro Perez-Castilla
Dr George Koulieris georgios.a.koulieris@durham.ac.uk
Associate Professor
Raimundo Jiménez
Amador Garcia-Ramos
Abstract
We assessed the mediating role of the breathing pattern adopted during isometric exercise on the intraocular pressure (IOP) response in the back squat and biceps curl exercises. Twenty physically active young adults performed sets of 1-minute isometric effort against a load corresponding to 80% of the maximum load while adopting three different breathing patterns: (i) Constant breathing: 10 cycles consisting of 3 s of inhalation and 3 s of exhalation, (ii) 10-sec Valsalva: 3 cycles consisting of 10 s holding the breath and 10 s of normal breathing, and (iii) 25-sec Valsalva: 2 cycles consisting of 25 s of the Valsalva maneuver and 5 s of normal breathing. A rebound tonometer was used to semi-continuously assesses IOP during the six sets of 1-minute isometric effort (2 exercises × 3 breathing patterns). We found a progressive IOP rise during isometric effort (P < 0.001, η2p = 0.83), with these increases being greater when the breath was held longer (P < 0.001, η2p = 0.58; 25-sec Valsalva > 10-sec Valsalva = constant breathing). There was a trend towards higher IOP values for the back squat in comparison to the biceps curl, although these differences did not reach statistical significance for any breathing pattern (corrected P-value ≥ 0.146, d ≤ 0.69). These findings reveal that glaucoma patients or those at risk should avoid activities in which the breath is held, especially when combined with physical exercise modalities that also promote an increment in IOP values (e.g. isometric contractions).
Citation
Vera, J., Redondo, B., Perez-Castilla, A., Koulieris, G., Jiménez, R., & Garcia-Ramos, A. (2021). The intraocular pressure response to lower-body and upper-body isometric exercises is affected by the breathing pattern. European Journal of Sport Science, 21(6), 879-886. https://doi.org/10.1080/17461391.2020.1790670
Journal Article Type | Article |
---|---|
Online Publication Date | Jul 21, 2020 |
Publication Date | 2021 |
Deposit Date | Nov 24, 2020 |
Publicly Available Date | Jul 21, 2021 |
Journal | European Journal of Sport Science |
Print ISSN | 1746-1391 |
Electronic ISSN | 1536-7290 |
Publisher | Taylor and Francis Group |
Peer Reviewed | Peer Reviewed |
Volume | 21 |
Issue | 6 |
Pages | 879-886 |
DOI | https://doi.org/10.1080/17461391.2020.1790670 |
Public URL | https://durham-repository.worktribe.com/output/1284820 |
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Copyright Statement
This is an Accepted Manuscript of an article published by Taylor & Francis in European journal of sport science on 21 July 2020, available online: http://www.tandfonline.com/10.1080/17461391.2020.1790670
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