Here’s What a Year and a Half of the ‘One Punch Man’ Workout Did to This Guy’s Body

Philip Ellis
·3-min read
Photo credit: Hearst Owned
Photo credit: Hearst Owned

From Men's Health

On February 10, 2019, Sean Seah decided to start working out like Saitama, the hero of anime One Punch Man. The premise of the series is simple: by following a strict regime of daily exercises, Saitama has overcome all of his physical limitations and is able to fell any enemy with a single punch. The One Punch Man workout has since made for a popular fitness challenge on YouTube, with people trying out the regime for themselves.

In Seah's case, it originated as a 30-day challenge, and over that first month he lost weight and improved his personal fitness. He was so pleased with the results, in fact, that he kept going – and documented his journey in a YouTube video marking 300 consecutive days of the One Punch Man workout. In his latest post, Seah is on Day 578: that's more than a year and a half of doing 100 push-ups, 100 sit-ups, 100 air squats, and a 10 km run, every single day.

"I felt that my body was getting stagnant, and I was starting to put on weight," he says in the new video. "Likely it was because my body is getting used to the workout. I decided to push on to the next level, by modifying the One Punch Man workout."

To make the workout more physically demanding, Seah switched his push-ups to a variation where his hands were placed much closer to his waist on the ground, and further apart. "Just by changing the location of my palms, my arms, especially my shoulders, take on a lot more of my body weight," he says. "At the same time, my core is activated to keep my body straight as I execute the push-ups. After 1 week of training, I can do 3 sets of 10 modified push-ups."

He also modified his sit-ups to "dragonflag" reverse crunches, focusing on achieving a slow, controlled movement while keeping his legs as straight as possible. And to make the squats more difficult, Seah began doing a single-legged version of the exercise. "This requires a bit of balancing, like the Karate Kid," he says.

Finally, for the running portion of the workout, he implemented "fartlek," or "speed play," where he would run at a faster pace for 300 metres, then jog more slowly for 300 meters.

"While some of these workouts may look easy, after doing it for about a week, my body is in huge pain, and I felt destroyed," says Seah. "I feel muscles aching in my body where I didn't even know there were muscles." That said, he still intends to keep pushing on with the amped-up One Punch Man workout, until he is able to do more than 30 reps of each of his modified exercises.

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