If Timberwolves guard Zach LaVine's mother had seen those circular purple marks on Olympic swimmer Michael Phelps' shoulders and back first, she might not have been so alarmed when her son came home with some of the same.
Or if LaVine hadn't alarmed her himself.
"I scared my mom one day by saying I got bit by a spider," he said. "She tried to send me to the hospital."
He hadn't been bitten, except, you might say, by cupping therapy.
It's an ancient form of alternative medicine that Olympians to NBA players, among others, have embraced to help alleviate pain and soreness, improve blood flow and speed muscle recovery, even if some modern medical research has stated it provides no benefit or can cause harm.
"If your arm is tight, it makes your arm looser," LaVine said. "It takes all the bad stuff out of there."
Whether done wet or dry, with fire, mechanical pump or mere pressure or with glass, bamboo or silicone suction cups, the process has been practiced in parts of Asia for more than 3,000 years.
LaVine and teammates Ricky Rubio, Gorgui Dieng, Tyus Jones, John Lucas III and Karl-Anthony Towns — some more frequently than others — all are believers that it increases blood flow, benefits connective tissue under the skin and flushes out excessive metabolic waste.