How To Build Muscle

  Muscles need your constant attention Because of the way you whether will wilt or grow Say you're standing in front of the door. Ready to open it. Your brain and muscles are perfect Ready to help you achieve this goal First, your brain sends a signal To the motor neurons inside your arm When they receive this message, They shoot, causing muscle contraction and relaxation, Which draws your arm bone and generates the neces sary movement The bigger the challenge, The higher the brain signal, and The more motor units they mobilize To help you accomplish your mission But what if the door is Made of steel iron At this point, your arm muscles alone won't be able to generate enough tension to open it, So your mind resumes.to other muscles for help Grow your feet and tighten your belly And your back strained, Generate enough power to pull it open Your nervous system has just benefited The resources you already have other muscles, to meet demand. While it all happens, Your mu