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Aim <p>The aim of this study is to find out the effect of a&#xa0;running-based “increasing” high intensity interval training (HIIT) protocol with different recovery interval intensity on endurance performance, motivation, heart rate variability (HRV) and heart rate recovery (HRR), muscle soreness, creatine kinase (CK), as well as the training distress score (TDS) and the total quality recovery (TQR) level of athletes.</p> Methods <p>The study comprised a&#xa0;sample of 30&#xa0;male athletes (age = 21.6 ± 2.64&#xa0;years; height = 165 ± 7.68 cm; weight = 58.03 ± 6.85 kg; BMI = 21.30 ± 1.83 kg/m2) with <i>N</i> = 10 in each of the three groups. The subjects were subjected to the pre-tests, and then 16&#xa0;sessions of different training protocols [G1(control)-self-paced active recovery; G2-recovery at 70% velocity at onset of blood lactate accumulation (vOBLA); G3-recovery 90% vOBLA] were given, followed by the post-tests.</p> Results <p>Endurance performance improved with time but did not differ with group. HRV showed a&#xa0;statistically significant effect with a&#xa0;significant difference between groups 1–3 in the root mean square of successive differences between adjacent R‑R intervals (<i>p</i> = 0.020), total power (<i>p</i> = 0.010) and power density in low frequency (<i>p</i> = 0.033). The HRR1min showed significant effect between groups 1–3(<i>p</i> = 0.006). The HRR3min showed a&#xa0;significant difference between Groups 1–3(<i>p</i> &lt; 0.001) and Groups 2–3(<i>p</i> = 0.010). The muscle soreness, CK, TDS, and TQR scores were not found to be statistically different among the three groups during the entire training period.</p> Conclusion <p>The recovery protocol for HIIT can be set as high as 90% of vOBLA in order to get a&#xa0;favourable autonomic response without causing any nonfunctional over-reaching response in terms of motivation, training distress, quality recovery, perceived exertion, or muscle damage markers.</p>

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Dose-response of different work: recovery intensity of “increasing” high intensity interval training protocol on stress, recovery and muscle damage in endurance athletes—A randomized controlled trial

  • 期刊论文

  • 发表日期：

    2025年2月13日

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  • Ashi Saif,
  • Zainab Khan,
  • Irshad Hussain Naqvi,
  • Shama Parveen,
  • Abdus Samad,
  • Adila Parveen

摘要

Aim

The aim of this study is to find out the effect of a running-based “increasing” high intensity interval training (HIIT) protocol with different recovery interval intensity on endurance performance, motivation, heart rate variability (HRV) and heart rate recovery (HRR), muscle soreness, creatine kinase (CK), as well as the training distress score (TDS) and the total quality recovery (TQR) level of athletes.

Methods

The study comprised a sample of 30 male athletes (age = 21.6 ± 2.64 years; height = 165 ± 7.68 cm; weight = 58.03 ± 6.85 kg; BMI = 21.30 ± 1.83 kg/m2) with N = 10 in each of the three groups. The subjects were subjected to the pre-tests, and then 16 sessions of different training protocols [G1(control)-self-paced active recovery; G2-recovery at 70% velocity at onset of blood lactate accumulation (vOBLA); G3-recovery 90% vOBLA] were given, followed by the post-tests.

Results

Endurance performance improved with time but did not differ with group. HRV showed a statistically significant effect with a significant difference between groups 1–3 in the root mean square of successive differences between adjacent R‑R intervals (p = 0.020), total power (p = 0.010) and power density in low frequency (p = 0.033). The HRR1min showed significant effect between groups 1–3(p = 0.006). The HRR3min showed a significant difference between Groups 1–3(p < 0.001) and Groups 2–3(p = 0.010). The muscle soreness, CK, TDS, and TQR scores were not found to be statistically different among the three groups during the entire training period.

Conclusion

The recovery protocol for HIIT can be set as high as 90% of vOBLA in order to get a favourable autonomic response without causing any nonfunctional over-reaching response in terms of motivation, training distress, quality recovery, perceived exertion, or muscle damage markers.