Thrusts and Explanation

A thrust is the action of driving the end of the staff in to a target

Definitions:
There are 3 types of thrust:
High
Staff held at face level, forward palm facing away from you and back palm facing you
Underhand
The forward hand is palm up and the back hand is palm down

Overhand

Both hands are palm down

 

 
A thrust should be powered with 1 hand were a jab is powered by 2 hands.
General thrust
Using an underhand thrust, stand in a left T stance and hold the staff horizontal, with you left hand about halfway from the end and the other hand on the butt.
Advance your left foot 20 inches along the centre line. As you step, let your weight come forward onto your left knee and toes.
As your weight leaves your right foot, slide it about 20 inches to the right of the centre line and thrust the staff forward with your right arm.

When you thrust, extend your left arm and let the staff slide across your left palm. The staff should remain horizontal. Stop the thrust when your right hand reaches your right side.

Back: Keep your back straight throughout the thrust.

Chest and shoulders: The chest and shoulders should move with your hips.