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Saragih , D.H. and Imran Akhmad 2021. DIFFERENT EFFECT OF DECLINE PUSH UP EXERCISE WITH MEDICINE BALL THROW TRAINING TOWARDS INCREASING ARM MUSCLE POWER IN MUAYTHAI ATHLETES SIMALUNGUN REGENCY. Journal Physical Health Recreation (JPHR). 1, 2 (Jun. 2021), 71-82. DOI:https://doi.org/10.55081/jphr.v1i2.274.