Investigation of Effects of Ultrasound Therapy on Trapezius Muscle Stiffness and Choroidal Blood Flow Velocity. - Taniguchi, Takanori; Mutou, Ryoutarou; Oki, Kokoro; Yoshimura, Miki; Kodama, Yuko; Nakamura, Nao; Hashimoto, Yuki (Muscles (2813-0413), 2026)