Execution : lower Biogenic XR entire body to Biogenic XR ground by flexing Biogenic XR left elbow. When Biogenic XR chest reaches 15 to 20 cm from Biogenic XR ground, push to return to Biogenic XR starting position by making a full extension of Biogenic XR arm. Training Tips : Do not stop Biogenic XR when you can no longer do repetition; Continue making partial repetitions in Biogenic XR upper part of Biogenic XR amplitude. If you can not do one complete repetition, go gradually by performing partial repetitions and placing yourself in Biogenic XR low position and then up Biogenic XR body as high as possible and maintaining this position in isometric contraction. Bypass pumps with rebound Like plyometric pumps, this movement is used to increase Biogenic XR explosive power. Starting position : To avoid injury to Biogenic XR hands or wrists, use upholstered or cushioned upholstery.