When shooting a bow, it is very important to keep your shoulders in line. In picture A, the individu

When shooting a bow, it is very important to keep your shoulders in line. In picture A, the individual would have a difficult time aiming because they are using their muscles to hold the bow. You use muscles to hold the bow, but in picture B, the individual is using the bones in their arm to help them hold the pressure of the outstretched bow, allowing for a higher accuracy and steadier aim.