Papers by Gavriil Arsoniadis
International Journal of Sports Physiology and Performance
Purpose: To examine the effect of dryland training during an 11-week lockdown period due to COVID... more Purpose: To examine the effect of dryland training during an 11-week lockdown period due to COVID-19 on swimming performance. Methods: Twelve competitive swimmers performed 50- and 300-m maximum-effort tests in their preferred stroke and 200-, 400-, and four 50-m front crawl sprints (4 × 50 m) before and after the lockdown period. Critical speed as an index of aerobic endurance was calculated using (1) 50-, 300-, and (2) 200-, 400-m tests. Blood lactate concentration was measured after the 400- and 4 × 50-m tests. To evaluate strength-related abilities, the dryland tests included handgrip and shoulder isometric strength. Tethered swimming force was measured during a 10-second sprint. During the lockdown period, dryland training was applied, and the session rating of perceived exertion training (sRPE) load was recorded daily. Results: sRPE training load during the lockdown was decreased by 78% (16%), and critical speed was reduced 4.7% to 4.9% compared to prelockdown period (P < ....
International Journal of Sports Physiology and Performance, 2019
Purpose:To examine the acute effect of dry-land strength training on physiological and biomechani... more Purpose:To examine the acute effect of dry-land strength training on physiological and biomechanical parameters in a subsequent swim-training session.Methods:Twelve male swimmers (age 19.0 ± 2.2 y, peak oxygen uptake [VO2peak] 65.5 ± 11.4 mL∙kg-1∙min-1) performed a 5x200-m test with progressively increasing intensity. Blood lactate concentration (BL) was measured after each 200-m bout, and the speed corresponding to 4 mmol∙L-1 (V4) was calculated. In the experimental (EXP) and control (CON) conditions, swimmers participated in a swim-training session consisting of 1000-m warm-up, a bout of 10-s tethered swimming sprint, and 5x400-m at V4. In EXP, swimmers completed a dry-land strength-training session (load: 85% of 1-repetition maximum) 15 min before the swimming session. In CON, swimmers performed the swimming session only. VO2, BL, arm-stroke rate (SR), arm-stroke length (SL), and arm-stroke efficiency (ηF) were measured during the 5x400-m.Results:Force in the 10-s sprint was no d...
International Journal of Sports Physiology and Performance, 2019
Purpose: To examine the acute physiological responses and internal training load of long-interval... more Purpose: To examine the acute physiological responses and internal training load of long-interval swimming and water polo–specific drills in high-level water polo players. Methods: A total of 10 water polo players performed both a high-intensity swimming without ball (SW) with intensity corresponding to 90% of their maximum speed previously attained during a 300-m swimming test or a counterattack ball drill (CA). Both SW and CA conditions were designed to provide equal time exposure. Thus, 3 bouts of 4 minutes duration and a 3-minute passive rest were performed in each condition. The players’ physiological responses were assessed by continuous monitoring heart rate (HR) during CA and SW as well as by measuring blood lactate at the end of each condition. Rating of perceived exertion was recorded at the end of each bout. The Edwards summated HR zones were used to measure internal training load. Results: Both peak and mean HR were similar between SW and CA, and no difference was detect...
The Open Sports Sciences Journal, 2017
Background:The magnitude of long-term changes on aerobic endurance indices provides useful inform... more Background:The magnitude of long-term changes on aerobic endurance indices provides useful information for understanding any training-induced adaptation during maturation.Objective:The aim of the present study was to compare changes in different aerobic endurance indices within two successive training years.Methods:Eight swimmers, (five male, three female; age: 14.1±1.5, height: 163.8±9.9 cm, body mass: 55.8±10 kg) were tested at four time-points, before and after the 12-week specific preparation period, within two successive training years (at year-1: start-1, end-1, at year-2: start-2, end-2). In each time-point were timed in distances of 50, 200 and 400 m front crawl to calculate the critical speed (CS). Subsequently, performed 5x200 m front crawl progressively increasing intensity and the lactate concentration was determined after each repetition. Using the individual speedvs.lactate concentration curve, the speed corresponding to 4 mmol.L-1concentration (V4) and the speed corre...
European Journal of Sport Science, 2020
The purpose of the study was to investigate the effects of acute training load changes of elite w... more The purpose of the study was to investigate the effects of acute training load changes of elite water polo players on heart rate recovery (HRR) responses after a standardized swimming test. Nine water polo players were tested after a two-day light-load and two-day heavy-load training. Preliminarily, critical swimming speed was calculated. Testing comprised of an intermittent 4 x 100-m swimming separated by 10 s of rest with an intensity corresponding to 85% of their maximum speed previously attained during a 100-m swim test followed immediately by assessment of HRR. Internal training load (ITL) was measured using the rating of perceived exertion and the duration of training sessions. The swimming speed corresponded to 1.43±0.06 m•s-1 and 1.45 ± 0.06 m•s-1 after light-load and heavy-load training, respectively (p=0.06, d=0.74). ITL was increased in high-load compared to light-load training (p<0.001, d=11.54). The difference in HR at end of exercise (HR-end) and after 60 s rest and the difference in mean HR during last min of exercise and HR after 60 s rest were higher in light-load training (p<0.05, d=0.85-1.15). The absolute change in ITL was correlated with the respective change in the percentage change of HR-end at 10 seconds of recovery (%HRR10s) (r=0.72, p=0.03). Significant correlation was observed between the percentage change of ITL with the %HRR10s (r=0.67, p=0.05). We conclude that HRR tracks acute changes in training load. The lower HRR following high-load training likely indicates a blunted parasympathetic re-activation.
Proceedings, 2019
AIM: The purpose of this study was to validate the physiological responses and biomechanical para... more AIM: The purpose of this study was to validate the physiological responses and biomechanical parameters during continuous swimming at intensity corresponding to lactate threshold previously calculated by an intermittent, progressively increasing speed test (7 × 200-m). MATERIAL…
Sports, 2022
Dry-land resistance exercise (RT) is routinely applied concurrent to swimming (SWIM) training ses... more Dry-land resistance exercise (RT) is routinely applied concurrent to swimming (SWIM) training sessions in a year-round training plan. To date, the impact of the acute effect of RT on SWIM or SWIM on RT performance and the long-term RT-SWIM or SWIM-RT training outcome has received limited attention. The existing studies indicate that acute RT or SWIM training may temporarily decrease subsequent muscle function. Concurrent application of RT-SWIM or SWIM-RT may induce similar physiological alterations. Such alterations are dependent on the recovery duration between sessions. Considering the long-term effects of RT-SWIM, the limited existing data present improvements in front crawl swimming performance, dry-land upper and lower body maximum strength, and peak power in swim turn. Accordingly, SWIM-RT training order induces swimming performance improvements in front crawl and increments in maximum dry-land upper and lower body strength. Concurrent application of RT-SWIM or SWIM-RT trainin...
Sports
The purpose of this study was to verify the physiological responses and biomechanical parameters ... more The purpose of this study was to verify the physiological responses and biomechanical parameters measured during 30 min of continuous swimming (T30) at intensity corresponding to lactate threshold previously calculated by an intermittent progressively increasing speed test (7 × 200 m). Fourteen competitive swimmers (18.0 (2.5) years, 67.5 (8.8) kg, 174.5 (7.7) cm) performed a 7 × 200 m front crawl test. Blood lactate concentration (BL) and oxygen uptake (VO2) were determined after each 200 m repetition, while heart rate (HR), arm-stroke rate (SR), and arm-stroke length (SL) were measured during each 200 m repetition. Using the speed vs. lactate concentration curve, the speed at lactate threshold (sLT) and parameters corresponding to sLT were calculated (BL-sLT, VO2-sLT, HR-sLT, SR-sLT, and SL-sLT). In the following day, a T30 corresponding to sLT was performed and BL-T30, VO2-T30, HR-T30, SR-T30, and SL-T30 were measured after the 10th and 30th minute, and average values were used f...
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Papers by Gavriil Arsoniadis