Jump rope in 10 second spurts.
Jump rope as fast, with cross overs and side to side with the rope.
Spend whatever time you have to learn to jump.
If you cannot learn to do this at good pace then you will not be able to improve your quickness.
Jump for 10 seconds and rest for 10.
Do this drill for 2 minutes.
The 2-minute duration for these drills includes the rest. 10 seconds on, 10 seconds off for 2 minutes.
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.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.
The ball screen produces almost half of all professional offensive possessions, yet most teams still teach it as a memorised play. The modern approach trains the read - giving players a framework to decide based on what the defence does, not what the coach called.