1) Acrobatic feat 2) Acrobatic stunt 3) Elated reaction 4) Relative of a cartwheel 
[Gymnastics] The Very Best of Elvis Costello (Rhino) ...[gymnastics] A handspring is an acrobatic move in which a person executes a complete revolution of the body by lunging headfirst from an upright position into a vertical position and then pushing off (i.e., `springing`) from the floor with the hands so as to leap back to an upright position. Handsprings are performed in various physical act...
• (n.) A somersault made with the assistance of the hands placed upon the ground.
Hand'spring` (-sprĭng) noun A somersault made with the assistance of the hands placed upon the ground. 
[n] - an acrobatic feat in which a person goes from a standing position to a handstand and back again
Springing off the hands by putting the weight on the arms and using a strong push from the shoulders; can be done either forward or backward; usually a linking movement.
noun an acrobatic feat in which a person goes from a standing position to a handstand and back again
A linking move where a gymnast takes off from both feet, jumps forward and by placing the weight on the arms and pushing strongly from the shoulders, springs off the hands forwards (or backwards) and lands on their feet.