The medicine ball throws used in this study were designed to test upper extremity power generation with and without the use of the core musculature to measure the effect of the core on throw distance. The theory behind this is that in a static throw with the chest secured to a bench, the core musculature would not be able to aid in propulsion. The dynamic throw thus would allow the subjects to obtain a posture that would enable them to use the muscles of the core to improve the distance of the throw.