Testosterone, an anabolic hormone responsible for muscle growth among many other things, is produced by the body in order to rebuild the muscle to resist against future weight.

• 睾丸激素，这种同样也负责肌肉生长的合成代谢荷尔蒙，就会在体内合成出来，用于重建肌肉以抗拒日后的负重。