Players will bend at the knee and grab their foot to perform a quad stretch.
From that position the player will reach up with the other arm.
With the other foot the player will go up onto their toes.
This stretch is design to be done moving forwards and can be done across the court.
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.