Division of Sport and Exercise Sciences, Abertay University, Dundee, Scotland.
Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan.
J Strength Cond Res. 2019 Apr;33(4):922-930. doi: 10.1519/JSC.0000000000002787.
Yamagishi, T and Babraj, J. Active recovery induces greater endurance adaptations when performing sprint interval training. J Strength Cond Res 33(4): 922-930, 2019-This study sought to determine effects of recovery intensity on endurance adaptations during sprint interval training (SIT). Fourteen healthy young adults (male: 9 and female: 5) were allocated to 1 of 2 training groups: active recovery group (ARG, male: 4 and female: 3) or passive recovery group (PRG, male: 5 and female: 2). After having completed a 2-week control period, both groups performed 6 sessions of 4- to 6 30-second sprints interspersed with 4-minute recovery over 2 weeks. However, only ARG cycled at 40% V[Combining Dot Above]O2peak during the 4-minute recovery periods, while PRG rested on the bike or cycled unloaded. After the 2-week training intervention, both groups improved 10-km time-trial performance to a similar extent (ARG: 8.6%, d = 1.60, p = 0.006; PRG: 6.7%, d = 0.96, p = 0.048) without gains in V[Combining Dot Above]O2peak. However, critical power was increased by ARG only (7.9%, d = 1.75, p = 0.015) with a tendency of increased maximal incremental power output (5.3%, d = 0.88, p = 0.063). During the training, active recovery maintained V[Combining Dot Above]O2 and heart rate at a higher level compared with passive recovery (V[Combining Dot Above]O2: p = 0.005, HR: p = 0.018), suggesting greater cardiorespiratory demands with the active recovery. This study demonstrated that greater endurance performance adaptations are induced with active recovery when performing SIT over a short time frame. The findings of the current study indicate that, with active recovery, individuals can gain greater training benefits without increasing total training commitment time. Further studies are required to determine whether differences are seen with recovery intensity over a longer period.
山口，T 和巴布雷，J. 主动恢复在进行冲刺间歇训练时会引起更大的耐力适应。J 力量与条件研究 33(4):922-930,2019-本研究旨在确定恢复强度对冲刺间歇训练（SIT）期间耐力适应的影响。14 名健康的年轻人（男性：9 名，女性：5 名）被分配到 1 个训练组：主动恢复组（ARG，男性：4 名，女性：3 名）或被动恢复组（PRG，男性：5 名，女性：2 名）。在完成 2 周的对照期后，两组在 2 周内进行了 6 次 4-6 次 30 秒冲刺，每次冲刺之间间隔 4 分钟恢复。然而，只有 ARG 在 4 分钟的恢复期内以 40%的 V[组合点以上]O2 峰值骑行，而 PRG 在自行车上休息或空载骑行。经过 2 周的训练干预，两组 10 公里计时赛成绩均有相似程度的提高（ARG：8.6%，d=1.60，p=0.006；PRG：6.7%，d=0.96，p=0.048），但 V[组合点以上]O2 峰值没有提高。然而，只有 ARG 增加了临界功率（7.9%，d=1.75，p=0.015），最大增量功率输出有增加的趋势（5.3%，d=0.88，p=0.063）。在训练过程中，与被动恢复相比，主动恢复使 V[组合点以上]O2 和心率保持在更高水平（V[组合点以上]O2：p=0.005，HR：p=0.018），表明主动恢复时心肺需求更大。本研究表明，在短时间内进行 SIT 时，主动恢复会引起更大的耐力适应。本研究结果表明，通过主动恢复，个体可以在不增加总训练时间的情况下获得更大的训练效益。需要进一步的研究来确定在较长时间内恢复强度是否会产生差异。
