I used those same pushup bars as you did for my first 2 rounds of P90X and I had the same problem with my wrists and stability. I just recently switched to his power stands and absolutely love them.

http://www.amazon.com/Beachbody-ACCPSTAND2101-Tony-Hortons-PowerStands/dp/B005KVH8U4/ref=sr_1_1?ie=UTF8&qid=1360604071&sr=8-1&keywords=power+stands