In the elbow block the body turns at the waist to meet the jab at. The jab can be blocked on the forearm or elbow of either arm. If the left elbow blocks the jab the right will be used to counter and vice-versa The chin should be tucked in behind the shoulder in case of a switch of attack. In the push back the front foot pushes the body back to just beyond the attackers jab - the back foot leads.

Elbow Block & Pushback