In this Thursday, October 18, 2018 photo, a contestant exercises backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. Dozens of glistening competitors took the stage for the annual body building and fitness competition last week. But behind the scenes, machismo makes way for cooperation. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants wait for their performance backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants wait for their performance backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. Some waited over eight hours for their chance to strut their stuff before the panel of judges. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants get ready backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, a contestant flexes for the judges during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. Just short of 80 contestants participated in 14 categories at this year's competition. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants participate in the final round during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants wait for their performance backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, a contestant exercises backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. Exhausted from weeks of strict dieting and last-minute exertions, the muscle-bound athletes primped, painted and prepped before taking the stage. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants get ready backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. In the run up to the flex-off, men and women, young and old, Jews and Arabs from around the country worked together to get ready for the big show. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, a contestant has his body painted backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. In the run up to the flex-off, men and women, young and old, Jews and Arabs from around the country worked together to get ready for the big show. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, contestants wait for their performance backstage during the National Amateur Body Builders' Association competition in Tel Aviv, Israel. Just short of 80 contestants participated in 14 categories at this year's competition. (Photo by Oded Balilty/AP Photo)





In this Thursday, October 18, 2018 photo, Or Magdasi of Tel Aviv, holds his trophy after winning the National Amateur Body Builders' Association competition in the mens category, in Tel Aviv, Israel. Magdasi will have a shot at representing Israel at the 2019 Mr. Universe competition in the United Kingdom. (Photo by Oded Balilty/AP Photo)