Volleyball drill: warming-up circuit

Each exercise (or choose a number) is done for 30 seconds followed by 15 sec rest:

- Knee lifts on the spot-
Wall sit and pass ball-
Push-Ups (each at their own level)
- Sit-ups (straight and/or oblique abs)
- Bench jumps-
Squats-
Lunges-
Arm lifts with water bottles-
Planks (regular, or side)