Now the problem in this research is the lack of explosive power leg muscles and limbs, this is seen from the results of the leap into the air which is not a maximum or does not reach the criteria of learning in line with the specified minimum trainers agreement of SSB Rumbai Pratama u-17 Pekanbaru. The form of this research is the research experiments using the technique of the total sampling o…
Now the problem in this research is the lack of explosive power leg muscles and limbs, this is seen from the results of the leap into the air which is not a maximum or does not reach the criteria of learning in line with the specified minimum trainers agreement of SSB Rumbai Pratama u-17 Pekanbaru. The form of this research is the research experiments using the technique of the total sampling o…