PENGARUH PELATIHAN SIT-UP BESAR SUDUT 450, 900, DAN 1200 TERHADAP KEKUATAN OTOT PERUT

Abstract

This study was aimed to determine the effect of differences influences of sit-up training 45⁰, 90⁰ and 120⁰ of the abdominal muscle strength.  The study based on a quasi experimental research design with modifide the randomized pre-test post-tes control group design.  Samples were the students of class X SMA Dharma Praja Denpasar on academic year 2012/2013, as much as 24 people. Abdominal muscle strength will measured with the knee bent lying sitting in performed  for 30 seconds. Data were analyzed by ANAVA one way test at significance level 0,05 using SPSS 16,0, and then data will proceed with least significant difference test to obtain a comparison between groups. The result using LSD, group 45⁰ to the control group (9,167), group of 90⁰ to the control group (18.833), and group 120⁰ to control group (34,677). Mean difference of group 120⁰ to 45⁰ group is at value 25,500. Mean difference of group 120⁰ to 90⁰ group is at value 15,833. From the analysis, it was concludes that the sit-up training 45⁰, 90⁰ and 120⁰ have a significant impact and influences the differences to abdominal muscle strength  for the students of class X SMA Dharma Praja Denpasar on academic year 2012/2013,in which 120⁰ treatment group had the highest impact on improving abdominal muscle strength.