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Öğe Impact of limb occlusion pressure assessment position on performance, cardiovascular, and perceptual responses in blood flow restricted low-load resistance exercise: A randomized crossover trial(Taylor & Francis, 2024) Kamış, Okan; Rolnick, Nicholas; de Queiros, Victor S; Akçay, Neslihan; Keskin, Kadir; Yıldız, Kerem Can; Werner, Tim; Hughes, Luke; Sofuoğlu, CemThis study investigated the effect of limb occlusion pressure (LOP) position on exercise performance, cardiovascular responses, and perceptual experiences during seated bilateral leg extensions with and without blood flow restriction (BFR). Thirty resistance-trained males (age: 22?±?2?years; weight: 74.4?±?13.6?kg; height: 177.4?±?6.4?cm; BMI: 23.5?±?3.3?kg/m2) participated. Each performed exercise to failure (4 sets, 30% 1RM, 1?min rest) in three conditions: Supine LOP-BFR, Seated LOP-BFR, and no-BFR. BFR was applied at 60% LOP. Significant interaction effects were found for RPE (p?=?0.021, d?=?0.76), RPD (p?Öğe Why blood flow restriction cuff features are an important methodological consideration- a short commentary on “cerebral cortex activation and functional connectivity during low-load resistance training with blood flow restriction: an fNIRS study”(Frontiers Media SA, 2024) Rolnick, Nicholas; Clarkson, Matthew; Korakakis, Vasileios; De Queiros, Victor; Patterson, Stephen D.; Buckner, Samuel; Werner, Tim; Nascimento, Dahan Da Cunha; Stray-Gundersen, Sten; Kamış, Okan; Thoelen, MathiasWe read with great interest the recent study titled “Cerebral cortex activation and functional connectivity during low-load resistance training with blood flow restriction: An fNIRS study” published in PLOS ONE earlier this year (Jia et al., 2024). The study adds to our limited understanding of the cerebral demands of blood flow restriction (BFR) exercise and the potential role of applied pressure. The authors examined cerebral oxygenation levels following squat exercise performed at 30% of one repetition maximum, with bilateral BFR applied at 150, 250, and 350 mmHg using the B-Strong cuffs (B-Strong, USA). The authors noted enhanced cerebral oxygenation levels in many cortical regions which dropped sharply when 350 mmHg was applied.
