Effect of downhill walking on next-day muscle damage and glucose metabolism in healthy young subjects

The journal of physiological sciences

article

Airi Nakayama¹  Wataru Aoi¹  Maki Takami¹  Nariyuki Hirano¹  Yumi Ogaya¹  Sayori Wada¹  Akane Higashi¹ 

[1] Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University

关键词: Walking;    Skeletal muscle;    Delayed-onset muscle damage;    Glucose metabolism;    Insulin sensitivity;   

DOI  :  10.1007/s12576-018-0614-8

来源: Springer

【 摘 要 】

This study aimed to investigate the effect of downhill walking on muscle damage and glucose metabolism in healthy subjects. All ten healthy young men and women (age, 24.0 ± 1.4 years) performed rest, uphill walking, and downhill walking trials. In the exercise trials, uphill (+ 5%) or downhill (− 5%) treadmill walking was performed at 6 km/h for 30 min. On the next day, muscle soreness was significantly higher in the downhill trial than in the uphill trial (P < 0.01). Respiratory metabolic performance did not differ between trials. However, carbohydrate oxidation was negatively correlated with plasma creatine kinase (r = − 0.41) and muscle soreness (r = − 0.47). Fasting blood glucose was significantly lower in the uphill trial than in the rest trial (P < 0.01) but not in the downhill trial. These observations suggest that downhill but not uphill walking causes mild delayed-onset muscle damage, which did not cause marked impairment in glucose metabolism. However, higher muscle damage responders might exhibit lower glucose metabolism.

【 授权许可】

Unknown