持续的乳酸监测,以实时评估棒球投手的疲劳
Omeed Djassemi1, Oscar Vila Dieguez2, Maria Reynoso3
1Shu Chien-Gene Lay Department of Bioengineering, University of California San Diego, La Jolla, CA, 92093, USA; Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California San Diego, La Jolla, CA, 92093, USA.
Biosensors & bioelectronics
|March 15, 2026
概括
一个新的可穿戴生物传感器持续监测棒球投手中的间歇液体 (ISF) 乳酸,捕捉投球期间的实时代谢压力. 这项技术为运动员的表现和伤害预防提供了改进的运动员监测.
科学领域:
- 运动医学 运动医学
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
背景情况:
- 现代棒球的速度革命增加了投手受伤的风险,由于高的机械和代谢需求.
- 传统的疲劳标记不充分评估投篮活动期间的实时代谢压力.
- 为了有效的运动员管理,需要对生理标记的持续监测.
研究的目的:
- 展示和验证一个微针生物传感器,用于大学棒球投手的持续间歇性液体 (ISF) 乳酸监测.
- 评估传感器在模拟投球期间跟踪实时代谢变化的能力,并与其他生理标志物相关联.
- 探索ISF持续乳酸监测的潜力,以追踪体育表现和个性化的运动员护理.
主要方法:
- 开发并验证了一种可穿戴的用微针测量ISF乳酸的电化学生物传感器.
- 招募了11名NCAA第一师大学投手进行2小时的协议,包括休息,性能测试,热身和模拟投球.
- 同步收集ISF乳酸,血液乳酸 (通过 point-of-care毛细血管样本) 和心率数据.
主要成果:
- 生物传感器在投球过程中成功测量了动态ISF乳酸升高,高峰值在基线以上的~4.1 mmol/L.
- 在活动后20-30分钟内,ISF乳酸水平恢复到基线,并且与血液乳酸和心率有很强的相关性.
- 持续监测捕获了与投球强度和进球过渡相关的短暂乳酸酸峰值,表明代谢应变.
结论:
- 通过可穿戴生物传感器进行持续的ISF乳酸监测是可行的,并且在投球期间在大学运动员中有效.
- 这项技术提供了对代谢压力的实时洞察,超越了传统疲劳标记的局限性.
- 生物传感器在提高职业体育运动的生理监测,性能优化和个性化护理方面具有重大前景.
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