Danica Janicijevic, Beatriz Redondo, Raimundo Jiménez, Amador Garcia-Ramos, Jesus Vera
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The intraocular pressure lowering-effect of low-intensity aerobic exercise is greater in fitter individuals: a cluster analysis.
This study aimed to determine the influence of physical fitness level and sex on intraocular pressure (IOP) during the low-intensity aerobic exercise. Forty-four participants (twenty-two men) cycled 30 minutes at low intensity (10% of the maximal power). Maximal power was determined by asking participants to perform maximal sprints of 6 seconds against 3-4 different resistances separated by 3 minutes of rest. The IOP was measured on 9 occasions (1) prior to the warm-up, (2) after the warm-up, (3-7) every 6 minutes during the low-intensity cycling task, and (8-9) 5 and 10 minutes after the cycling task. Low-intensity aerobic exercise had a lowering effect on IOP, being the beneficial effect more accentuated and prolonged in the High-fit group (IOP reduction compared to baseline lasted 30 minutes) than in the Low-fit group (IOP was only reduced at 6 minutes of exercise compared to baseline). Participants´ sex had no effect on the IOP behaviour at any time point (p = 0.453). These findings indicate that individuals who need to reduce IOP levels (i.e., glaucoma patients or those at risk) should increase or maintain a high fitness level to benefit more from the IOP lowering effect during low-intensity aerobic exercises.
期刊介绍:
Research in Sports Medicine is a broad journal that aims to bridge the gap between all professionals in the fields of sports medicine. The journal serves an international audience and is of interest to professionals worldwide. The journal covers major aspects of sports medicine and sports science - prevention, management, and rehabilitation of sports, exercise and physical activity related injuries. The journal publishes original research utilizing a wide range of techniques and approaches, reviews, commentaries and short communications.