Thanks for the advice. I do Kickboxing two to four days a week and Krav Maga two to three days a week. We do plenty of those. Try doing 50 burpees as fast as you can go.
[youtube]https://www.youtube.com/watch?v=JZQA08SlJnM[/youtube]

Try the Sally Challenge. This one sucks. :(
I can go just shy of half the song.
[youtube]https://www.youtube.com/watch?v=41N6bKO-NVI[/youtube]

This is my school...
[youtube]https://www.youtube.com/watch?v=AobGeF6kxdg[/youtube]