When training for volleyball or basketball, getting a jump-start on athletic development is one of the best things athletes can do to give themselves increased confidence and an advantage over the competition. the truth about this is that if athletes are competing they are already putting training-level stress on their bodies in uncontrolled environments. proper training will not only increase performance, but also decrease risk of injury. athletes' bodies can be strengthened and less prone to injury in controlled environments. anything less than a multifaceted approach is missing the chance of dramatic improvement, and the synergy of targeting every effective facet of vertical jump explosion. there are nine different improvable aspects athletes may practice to increase their vertical explosion and quickness. unfortunately, most programs only target one or two. the cumulative effect of training each aspect produces results quickly. choose the best concluding statement that supports the argument presented. a) a majority of coaches and programs simply isolate one training method. b) resistance training is highly neglected in most vertical jump programs. c) don't miss out on valuable results by ignoring unknown training aspects. d) proper training will not only increase performance but decrease risk of injury