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					Originally Posted by Blueface  What am I doing wrong? 
I am on L4 also but it is the Dynamic Elbow to Wrist Plank.  I did 120 sec of that and L4 on sides is Dynamic Side Forearm Plank with Hip Dip and did 60 sec per side. 
Is there another challenge I am missing?
 
It's kicking my butt as I am also doing T25 and Ab Carver Pro. 
Just have to eliminate the Mojitos.  | 
	
 Sorry I missed this earlier. If you're finding level 4 isn't a challenge, look on YouTube for some more ideas of harder planks. I'm doing Spider-Man planks now, from a push-up position. I can do L4 sides, but it hurts my hips, so I'm sticking with L2, but just going longer.