May 5, 2026 · International journal of sports physical therapy · DOI: 10.26603/001c.160166

Therapeutic Effects of Capacitive and Resistive Monopolar Radiofrequency on Muscle Stiffness and Local Hemodynamics of the Rectus Femoris: A Randomized Crossover Study of Female University Soccer Players

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The authors aimed to investigate the immediate effects of 448-kHz capacitive resistive monopolar radiofrequency (CRMF) on muscle stiffness and local hemodynamics of the rectus femoris in female collegiate soccer players. The study found that CRMF significantly reduced muscle stiffness in a stretched position and increased deep-tissue oxygenation parameters compared to hot pack and sham treatments, indicating its potential as an effective thermotherapy for enhancing muscle flexibility and oxygenation in sports settings.

Ryo Sugiyama, Takayuki Miyamori, Masashi Aoyagi, Kimiko Sakamoto, Shunpei Iwaki, Hiroshi Ikeda, Masafumi Yoshimura

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