
1) Bodyweight exercise
Found on
https://www.crosswordclues.com/clue/planche
[exercise] A Planche is a skill in gymnastics in which the body is held parallel to the ground, giving the illusion of floating. It is a move that requires a great deal of strength and balance. There are many variations of a Planche, although only two are accredited in artistic gymnastics: the straddle Planche, and the straight legged Planc...
Found on
http://en.wikipedia.org/wiki/Planche_(exercise)

A strength hold in which the gymnast's hands provide a base of support and the body is held straight and parallel to the ground. Seen on beam, floor, rings and parallel bars.
Found on
https://www.nbcolympics.com/news/gymnastics-101-glossary
No exact match found.