Udin Gilles, Fernandez Menendez Aitor, Hoyois Jonas, Chevalier Mathias, Malatesta Davide
Institute of Sport Sciences of University of Lausanne (ISSUL), University of Lausanne, Bâtiment Synathlon, 1015, Lausanne, Switzerland.
Sci Rep. 2023 Mar 27;13(1):5007. doi: 10.1038/s41598-023-31984-z.
The study aimed to compare the ankle muscles activation, biomechanics and energetics of running in male runners during submaximal level run using minimalist (MinRS) and traditional cushioned (TrdRS) running shoes. During 45-min running in MinRS and TrdRS, the ankle muscles pre- and co-activation, biomechanics, and energetics of running of 16 male endurance runners (25.5 ± 3.5 yr) were assessed using surface electromyography (tibialis anterior and gastrocnemius lateralis), instrumented treadmill and indirect calorimetry, respectively. The net energy cost of running (C) was similar for both conditions (P = 0.25) with a significant increase over time (P < 0.0001). Step frequency (P < 0.001), and total mechanical work (P = 0.001) were significantly higher in MinRS than in TrdRS with no evolution over time (P = 0.28 and P = 0.85, respectively). The ankle muscles pre- and co-activation during the contact phase did not differ between the two shoe conditions (P ≥ 0.33) or over time (P ≥ 0.15). In conclusion, during 45-min running, Cr and muscle pre- and co-activation were not significantly different between MinRS and TrdRS with significantly higher step frequency and total mechanical work noted in the former than in the latter. Moreover, C significantly increased during the 45-min trial in both shoe conditions along with no significant change over time in muscle activation and biomechanical variables.
本研究旨在比较男性跑步者在次最大强度跑步时，穿着极简主义跑鞋（MinRS）和传统缓冲跑鞋（TrdRS）时踝关节肌肉的激活情况、生物力学和能量消耗。在分别穿着MinRS和TrdRS进行45分钟跑步期间，使用表面肌电图（胫前肌和外侧腓肠肌）、仪器化跑步机和间接量热法，分别评估了16名男性耐力跑者（25.5±3.5岁）跑步时踝关节肌肉的预激活和协同激活、生物力学和能量消耗情况。两种情况下跑步的净能量消耗（C）相似（P = 0.25），且随时间显著增加（P < 0.0001）。MinRS的步频（P < 0.001）和总机械功（P = 0.001）显著高于TrdRS，且随时间无变化（分别为P = 0.28和P = 0.85）。两种跑鞋条件下，接触阶段踝关节肌肉的预激活和协同激活无差异（P≥0.33），且随时间也无差异（P≥0.15）。总之，在45分钟跑步过程中，MinRS和TrdRS之间的C r以及肌肉的预激活和协同激活无显著差异，前者的步频和总机械功显著高于后者。此外，在两种跑鞋条件下，45分钟试验期间C均显著增加，同时肌肉激活和生物力学变量随时间无显著变化。
