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目的:探討巫毒帶 (Flossband)是否可以加速肌肉消除疲勞的相關生理機制。方法:10名健康男性為受試者。實驗為進行膝關節伸直最大等長肌力測驗,每次用力5秒,至受試者連續三次最大值小於前測的40%狀態時,定義為疲勞。介入為將巫毒帶以180毫米汞柱壓力纏繞後靜坐 (FLOSS)、加上主動恢復動作 (FLOSS180)、壓力120毫米汞柱加上主動恢復動作 (FLOSS120)、主動恢復 (ACT)、控制組 (CTRL),介入時間2分鐘,並靜坐休息1分鐘。最後於介入結束當下、15及30分鐘後,進行後測。實驗每階段記錄受試者恢復程度 (PRS)、肌肉痠痛程度 (VAS)量表分數及氧飽和度。以混合設計二因子變異數分析分析不同介入及時間對肌力恢復程度 (後測/前測)、介入前後PRS恢復率、VAS減少率及股四頭肌氧飽和度之影響。結果:不同介入方式對肌力恢復程度及自覺量表分數沒有顯著影響。在介入中,FLOSS (31.0 ± 11.9,17.28 ± 8.31μmol)、FLOSS120 (24.6 ± 9.0,10.81 ± 5.88μmol) 及FLOSS180 (29.4 ± 10.1,17.17 ± 7.79μmol) 之總血紅素 (tHb) 及去氧血紅素 (HHb) 顯著高於ACT (9.7 ± 5.0,2.06 ± 1.96μmol) 及CTRL (9.0 ± 7.0,2.73 ± 2.16μmol)。結論:使用巫毒帶無法促進疲勞後的肌力恢復及自覺量表分數恢復。除此之外,纏繞期間可能無法完全將血流阻斷,但可以阻斷靜脈。
Purpose: The purpose of this study was to examine if Flossband could help to attenuate muscle fatigue, and observe the tissue oxygen saturation while using Flossband. Methods: There were ten participants recruited who didn’t have any neuromuscular injury within 6 months. Near-infrared spectroscopy (NIRS) was used for measuring tissue oxygen saturation of quadriceps. The Visual Analog Scale (VAS) was used for evaluating the rating of muscle soreness and the Perceived Recovery Status Scale (PRS) was used for measuring the recovery status from the muscle fatigue. Participants were asked to perform maximal isometric voluntary contraction (MVC) of knee extension 5 times as pretests. In order to reach the muscle fatigue status, participants performed the same movement continuously until the torque value couldn’t reach 40% of MVC. After the exercise, one of these five intervention was applied for 2 minutes, 1. sit quietly, 2. perform active recovery movement, 3. wrapped by Flossband with 180mmHg and sit quietly, 4. wrapped by Flossband with 120mmHg and perform active recovery movement, 5. wrapped by Flossband with 180mmHg and perform active recovery movement. The change of tissue oxygen saturation was collected in the recovery phase for a minute. VAS and PRS were collected immediately, 15 and 30 minutes after intervention as posttest. Results: The muscle strength, VAS and PRS showed no difference between interventions. Using Flossband had higher total hemoglobin and deoxygenated hemoglobin than not using it. Conclusion: Using Flossband can’t help muscle strength recovery after fatigue. Also, it is not able to reduce the feeling of muscle soreness from the fatigue. Also, using Flossband could not restrict the blood flow of artery, but effectively restrict vein vessels which could result in those tissue oxygen saturation changes.



血流, 壓力, 等長肌力, Blood Flow, Pressure, Isometric Strength