alex87 said:for the BA planche you need to fix it. lets the body to pass between the elbows so that you cannot lock it on the triceps and on the lats. the body should remain a few inches from the ground. this position refinement must be held, you will find a good advantage when you learn this position especially in the final HBP elements of Foundations 3.
Fix it before to move forward.
His arms weren't locking on to the lats though if you look closely.