PENGARUH ULTRASOUND DIATHERMY DAN OPEN KINETIC CHAIN EXERCISE TERHADAP KEMAMPUAN FUNGSIONAL PADA PENDERITA OSTEOARTHRITIS GENU: EFFECT OF ULTRASOUND DIATHERMY AND OPEN KINETIC CHAIN EXERCISE ON FUNCTIONAL ABILITY IN PATIENTS WITH OSTEOARTHRITIS GENU. JKHWS. 2024;12(01):96-103. doi:10.47794/jkhws.v12i01.20