Um not 100 certain but probably the three or four main ones

1 Technique

If you lose perfect technique and get into bad habits that's the worse thing for you on a couple of levels (self damage on the bag and bad ring habits are hard to break.



2 Warm ups and Stretches before real hard work.




Cardio I suppose ?



Diet @ 4


Better guys than me in here will tell you the whats and whens.