sPL/PE2+iM Forearm Plank + Straddle Running Man

I didn't realise I was moving my head that much...until I watched the video

I promise next time I won't. Anyway, is there something to correct except that?

 

The last (&best) attempt begins at 3:54:

https://youtu.be/mVb6Xp5C9UQ?t=3m54s 

 

Thanks!