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Jason Kelce recently received fitness advice from one of the best.

On the April 3 released episode of the "New Heights" podcast, Jason and Travis Kelce welcomed Arnold Schwarzenegger as a guest star.

During the podcast, the Kelce brothers scored fitness tips from the man considered one of the greatest bodybuilders of all time.

Jason Kelce

Jason Kelce, now retired from the NFL, asked Arnold Schwarzenegger for fitness advice. (Tim Nwachukwu/Getty Images)

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When asked the key to build up one's body, Schwarzenegger highlighted the importance of beginning with the basics before worrying about the finer details.

"I did all the basic lifts — bent-over rowing, the squats, the bench press, the incline press, all of those things that were very, very important to build the basics of the body," the "Terminator" actor said. 

"Then, when that is done, and you have deltoids, and you have pectoral muscles, and you have a huge chest and lats and the back, now you go and start chiseling away, because now it's about the perfection."

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The former California governor also spoke on the nutritional aspect of fitness and how the same regimen isn’t going to work for everyone. 

Arnold Schwarzenegger wears pinstripe suit

Arnold Schwarzenegger was a guest on the Kelce brothers' "New Heights" podcast on April 3, 2024. (Jason Merritt)

"Also, knowing the nutritional part, because you got to realize that the body needs protein. It needs carbohydrates. It needs fats. But what is the balance?" Schwarzenegger said.

Elsewhere in the podcast, Jason couldn’t pass up the opportunity to ask the fitness legend for advice about his own weight-loss goals after Kelce retired from the NFL.

"I'm in the process right now, I'm retired. I’ve played my whole career at 295. I'm trying to get down to 250, 260," Jason told Schwarzenegger. "My goal is two pounds every week, lose it. I want to lose it but maintain my muscle mass. I'm trying to monitor my protein, my carbs, my fats and make sure that I'm hitting at least one pound per body weight."

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Schwarzenegger responded, "The most important thing is that you slowly decrease the body fat and increase the body muscles. You just switch. It doesn't just have to do with the weight."

"You want to slowly decrease the fat and increase the muscle mass. That is the key thing," the "Predator" actor added. "So, with the exercising, and with the machines and the weights and all of that stuff, you should be able to do that very easily. I know that you have lifted some serious weights."

Jason and Travis Kelce

Brothers Jason and Travis Kelce are co-hosts of the "New Heights" podcast. (Ryan Kang/Getty Images)

"You don’t have to lift heavy. That’s the key thing. Because, remember, at a certain age, you start getting into this wear and tear of the joints," Schwarzenegger advised.

"It’s unnecessary because you’re not competing," he added. "So, it's unnecessary to go and try to outdo the lifting and all that stuff. I’d rather see you doing 12 to 15 reps an exercise, and doing it as strict as possible, and to do many, many reps and many sets, and to do it the right way, and to gain the muscle size rather than just torture yourself and have injuries and all that."

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Early in March, Jason announced his retirement from the NFL with an emotional farewell speech. He spent his entire 13-year NFL career with the Philadelphia Eagles.