Most of the people are adventure loving and they go on different hacking tracks in their holidays. Proper exercise and workout is necessary for starting hacking. A healthy diet and a proper workout makes strong and firm to face the challenges of a new and adventurous life.
You should also follow instructions of your instructor and be careful through all over the track. You should also take proper classes of training to save them in unusual situation.
Clenching fists can improve memory in the same way your training class prepare you for proper hacking.