Breakdown by posterior chains and anterior chain, or percentage of movement generated by muscles in the front or back of the body.
Hip ExtensionPosterior Chain ( Backside muscles – Calf, hamstring, glutes, spinal erectors, shoulders) : 84%
Anterior Chain (Front side muscles Quads, shoulders) : 0% (adductor magnus : 14%)
PC : 0%, AC : 100%
PC : 100%, AC: 0%
back retroflexion :
PC : 100%, AC : 0%
shoulders anteflexion :
PC : 8.8%, AC : 91.2 %
OVERALL CONCLUSION AND NOTES
Not all movement is created only by skeletal muscle contraction, so contributions from tendons can be deduced but are not directly listed.
Jumping styles, forms, and movement efficiency may vary from individual to individual and based on the purpose and sport, however knowing the proper muscles to train to create the desired movement is extremely important.
Without a proper base of strength, there can be no source for power to increase.
While the largest percentage of power is created by the posterior chain, all muscle groups should be strengthened properly.
Finally strong muscles alone does not guarantee the explosiveness of muscles which is a determination of jumping efficiency, and explosive strength capabilities.
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Jacob Hiller's best selling book "The Jump Manual" has been used and taught in over 30 countries and in 4 different languages and featured on ESPN and Fadeaway. Coach Hiller has worked with professional and Olympic level athletes and is currently touring the globe.