The results showed that The average test development to build endurance for beginners lower abdomen of a female student Buriram Rajabhat University using test Sit-ups before the test (X ̅ = 17.50) and post-test (X ̅ = 28.50) on. comparing pretest and posttest. Has progressed 12.65 percent, a difference more significant at the 0.05 level.
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