“…Although moderate to high intensity exercise can improve muscle strength and mass in elderly 3) , they are often in cases to retire a such high intensity exercise, especially in patients with heart disease. Therefore, the low-load exercise which can Optimal KAATSU pressure increases muscle activities during low-load exercise in an elderly female frail patient receiving transcatheter aortic valve implantation Ishizaka H 1) , Uematsu A 3) , Takahashi R 1) , Ogawa H 6) , Shibasaki I 6) , Sawaguchi T 2) , Nasuno T 2) , Toyoda S 2) , Yamaguchi S 2) , Yasuda T 4) , Sato Y 5) , Fukuda H 6) , Inoue T 2) , Nakajima T 2)…”