Zone defence relates to your players' ability to take space away from the other team when they are attacking and you are defending.
The zone defence drills below will get your players used to setting up a zone - working on their shadowing, peripheral vision skills and their ability to intercept, both as a team and individuals to shutdown the other team's attack.
A well organised zone defence will stop an attack, regain possession of the ball and through court linkage (passing to teammates in the different zones) launch a counter attack.
Four players standing still make every ball handler's job harder. Teach V-cuts, L-cuts and back cuts so your team gets open and punishes defenders who overplay.
Good team defence is five players guarding the ball, not five separate one-on-ones. The shell drill is where that starts, so here is how to teach help-side positioning and rotations from the first week of the season.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.