The space between two points of action. The distance between two points is regarded as a space that can be manipulated in taiji actions.
Knowledge : Glossary and terms
Timing: The activity and force that is caused by the utilization or manipulation of time or lack of time.
Momentum: inertia of force. In taijiquan practice, momentum force simply means movement that cannot be stopped.
Popping: One part of the body moving outside of the restricted area. Size and area restriction is a central key in Chen Style Taijiquan Practical Method system. Mostly common body part that pops is the shoulder.
Powering Up: To increase size, length or compression within a fixed area.
Extension: Stretching of a part or point to make it longer. The original point/position must be maintained.