These box drills use a 6-inch box and are very simple with low intensity. The purpose of the Hop Drill is to make sure the jumper dorsi flexes and works on timing. The Bound Drill works on bringing the heel up on the free leg and shooting the leg out and holding that position.
Box Drills: Hop and Bound with Petros Kyprianou – Univ. of Illinois at Urbana-Champaign
