Comprehensive Assessment of Leg Swelling Using Advanced Technologies: Physiological Effects and Mechanisms of Sports Compression Stockings on Fatigue and Recovery

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  • Sasaki Kazushige
    Faculty of Human Sciences and Design, Japan Women’s University
  • Ochi Eisuke
    Faculty of Bioscience and Applied Chemistry, Hosei University

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Other Title
  • 先端工学を活用した脚のむくみ（浮腫）の包括的評価とその応用 −スポーツ用弾性靴下の効果と作用機序の検討−
  • 先端工学を活用した脚のむくみ(浮腫)の包括的評価とその応用 : スポーツ用弾性靴下の効果と作用機序の検討
  • センタン コウガク オ カツヨウ シタ アシノム クミ(フシュ)ノ ホウカツテキ ヒョウカ ト ソノ オウヨウ : スポーツヨウ ダンセイ クツシタ ノ コウカ ト サヨウ キジョ ノ ケントウ

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Abstract

<p>We have recently developed a comprehensive approach for monitoring leg swelling using several advanced technologies. With this approach, the present study aimed to investigate the exercise-induced leg swelling and its recovery in humans. The effect of wearing a compression stocking on leg swelling and muscle fatigue was also investigated. Healthy young volunteers performed unilateral calf-raise exercise for both legs, wearing a compression stocking only on one leg. Before and immediately after the exercise, maximum calf circumference was determined by tape measure, extracellular fluid resistance （R0） of the lower leg by segmental bioelectrical impedance spectroscopy, foot and lower leg volume by modified water displacement volumetry, and the gastrocnemius muscle stiffness by ultrasound shear-wave elastography. Concurrently, muscle soreness, contractile force during voluntary and evoked contractions, and unilateral vertical jump performance were examined. These measurements were repeated 1, 2 and 5 days after the exercise. There were significant increases in calf circumference, the reciprocal of R0 （an index of extracellular fluid volume）， and total lower leg volume immediately after the exercise. However, further measurements suggest that the exercise-induced leg swelling found in this study was mainly due to the increase in blood flow and metabolite accumulation, not due to muscle damage and subsequent inflammatory response. We also found a limited impact of sports compression stocking on the exercise-induced leg swelling, while the decrease in maximal voluntary contractile force tended to be attenuated in the leg wearing the stocking. These results suggest that wearing compression stockings accelerates force recovery during the first few days after exercise, which may not be related to its edema-preventing effect.</p>

Journal

  • DESCENTE SPORTS SCIENCE

    DESCENTE SPORTS SCIENCE 40 (0), 155-164, 2019-06-07

    THE DESCENTE AND ISHIMOTO MEMORIAL FOUNDATION FOR THE PROMOTION OF SPORTS SCIENCE

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