The research were as follows :
1) A sepaktakraw serving skill training program with balance, flexibility and muscular strength training were developed sepaktakraw serving skills of the lower secondary school students.
2) The mean scores of sepaktakraw serving skill test of the experimental group students and the control group after implementation were significantly higher than before implementation at .05 level.
3) The mean scores of sepaktakraw serving skill test of the experimental group after implementation were significantly higher than the control group at .05 level.