Andri Siregar, Novri2013-06-262013-06-262013-06-26http://repository.unri.ac.id:80/handle/123456789/3915Hubungan Daya Ledak Otot Lengan dengan Hasil Forehand Smash pada Permainan Bulu TangkisThis research intent to determine information how big relationship among energis to blow up arm and shoulder muscle with yielding smash's forehand and to determine information about available or not it is subjective one means among variable second tersebut.D ata that acquired as a result research is quantitative data via essays and measurement be next will at o with statistic, to test normality did by liliefors's quiz on α='s level 0,05. To know how big relationship ked ua is variable can be determined by use of formula product moment , to know signifikan that correlation get by use of been determined quiz t This observational type is observational korelasional with riau televise pekanbaru's athlete population. There is tech even sample take in observational it which is with tech total sampling, where is dalm's sample this research exhaustive adalh population which total 8 person. Instrument who is done to gather data in observational it is by use of essay and direct measurement which is energy blow up arm and shoulder muscle with yielding smash's forehand . Measurement energis to blow up arm and shoulder muscle with mengunakan medicine ball and for smash's forehand by menyemash cock to target already being adjusted Of analisis's result data attributes that exists relationship that signifikan among variable x and Y. bases research result, therefore gets to be concluded that exists relationship that signifikan among energis to blow up arm and shoulder muscle with yielding forehand smash , where on α='s level 0,05 acquired t computing 9,5  t table 1,943 so Ho is refused and Ha is accepted, variable contribution x to variable y. dikategorikan adequately and is gotten r computing = 0,95>r table =0,707en-USEnergy Blows Up Arm and Shoulder Muscle With Yielding smash's forehandstudent Paper Post Degree