Olympic Games are a celebration of the peak of human physical achievement. It is not surprising that participants are improving there techniques over the years.
One reason for this improvement is that participants are starting early in life to learn the craft. They also spend insane amount of time every day to hone their craft.
Patents like this might be helping them in this endeavor: A bed convertible into espaliers for the practice of gymnastics.
Publication number: US4829610 A
Patent Title: Bed convertible into espaliers for the practice of gymnastics
Publication date: 16 May 1989
Filing date: 11 Jun 1987
Priority date: 11 Jun 1986
Inventors: Cesar Gonzalez-Alvarez, Juan Gonzalez-Alvarez
Original Assignee: Gonzalez Alvarez Cesar, Alvarez Juan Gonzalez