AI Article Synopsis
- The study investigated how resting heart rate variability (HRV), exercise heart rate, jump height, and overall well-being changed during training for elite women's volleyball players.
- Monitoring involved 13 players over four training camps, analyzing HRV and other performance metrics to see how they adapted to training.
- Results showed that seated HRV (LnRMSSD) was more closely related to changes in exercise heart rate and perceived exertion than when measured in a supine position, indicating its importance in assessing training adaptations.
Article Abstract
We aimed to examine changes in resting heart rate variability, submaximal exercising heart rate (HRex), countermovement-jump height (CMJ), perceptual wellbeing, and internal load throughout preparatory training in elite women's volleyball players. We also aimed to determine which HRV measurement position (supine vs. seated) provided greater associations with the various markers of training adaptation. Thirteen players (age = 25.8 ± 3.0 years, height = 178.1 ± 6.7 cm, weight = 69.7 ± 7.6 kg) were monitored throughout four successive training camps preceding the Asia Cup. Daily measures of the root-mean square of successive differences were used to calculate the mean (LnRMSSD) and coefficient of variation (LnRMSSD) for each camp. Averages were also determined for Hooper's Index and session ratings of perceived exertion (sRPE). HRex and CMJ were tested at the start of each camp. RESULTS: Seated LnRMSSD, HRex, CMJ, and sRPE increased at camp 3 (p < 0.05), then reverted to values similar to camp 2. Changes in seated LnRMSSD were associated with changes in HRex (r = -0.68 to -0.71, p < 0.05). Occasional associations (p < 0.05) were observed between LnRMSSD and Hooper's Index (r = 0.59) and CMJ (r = -0.57), and changes in HRex (r = 0.69) and HRR (r = -0.62). CONCLUSIONS: A reduced cardiorespiratory response to a standardized submaximal workload was associated with increased seated LnRMSSD. Higher seated LnRMSSD was observed in response to increased sRPE and was often associated with decrements in various status markers. Seated LnRMSSD provided more associations with indicators of training adaptation than supine measures.
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| http://dx.doi.org/10.1016/j.physbeh.2021.113537 | DOI Listing |
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