Surf’s Up at Cal State’s Endless Pool

Cal State Professor Sean Newcomer

“Everybody’s just stoked that we have it!” might not be what you’d expect a scientific researcher to say about his lab equipment. Assistant Professor Sean Newcomer, however, researches the health benefits of surfing, and the equipment he’s stoked about is the Elite Endless Pool at California State University San Marcos.

Of course, you can’t actually surf in an Endless Pool. You can paddle on a board, and for Newcomer, that’s part of the point. According to his years of research, “paddling takes 40 to 50 percent of the time in the water” for a recreational surfer. “Actually wave-riding is only 5 percent. … The paddling phase is really where you get the most health benefits.”

Another thing you can do in an Endless Pool: just balance on the board, which is a workout on its own. “As a surfer, I think of sitting on a board as nothing; it’s resting,” he says. “But if you take a beginner out, they’re falling off the board. You’re actually engaging quite a bit of muscle mass while you’re stabilizing the board.” He’s already done a pilot study towards quantifying just how much of a workout that is.

a test swimmer in the Elite Endless Pool at Cal State
Asst. Professor Sean Newcomer has been “characterizing the physiology and biomechanics of recreational surfers.” Here, his team measures a subject’s oxygen consumption in their Elite Endless Pool. With his previous field research, “there were a lot of things that we were unable to control, and there were a lot of things in the lab we weren’t able to simulate. That’s where we made our move to bring an Endless Pool onto campus.”

Newcomer spent the last two years doing field research, monitoring recreational surfers in the ocean; preexisting research had only studied professional surfers, so he’s pioneering work that could open new avenues to people who want to get fit but see surfing as a mere hobby. While that data gets prepped for publication, he and his team have started to “move forward with the more controlled experiments in the Endless Pool.”

He’s lined up two surf-industry collaborations. “This next semester, we’re looking at paddling mechanics in a certain type of wetsuit and also the thermoregulation properties of a different type of wetsuit. Both of these have different types of new materials that the companies are trying to use, and we’re going to do some analysis on those materials in the Endless Pool.”

conducting research in the Elite Endless Pool at Cal State
When they’re not doing field research at the beach, Assistant Professor Sean Newcomer leads his team at Cal State’s outdoor Elite Endless Pool. "We love it," he says. "It works really well. The students can easily use it." They even handle maintenance themselves. "We had a guy doing it, but we realized, 'we can do this, it isn't that hard.'"

A lifelong surfer, Newcomer started investigating the health benefits of recreational surfing while pursuing his master's degree in the mid-1990s. “I was looking at oxygen consumption in surfers as they were paddling,” he recalls. “We were on this ergometer,” which is a dry-land simulator of the paddling motion. “The whole time I was thinking, ‘it would be so nice if we could get these guys in a flume.’ Because those ergometers are horrible! They don’t feel like paddling at all.”

Years later, at Cal State, his research hit a stumbling block. “We needed to do a better job of answering some specific questions for which we would have to control the environment better. … There were a lot of things in the [open] water that we were unable to control, and there were a lot of things in the lab we weren’t able to simulate very well. That’s where we made our move to bring an Endless Pool onto campus.”

Now that he has an Endless Pool, he finds, “It works really well. The students can easily use it, there’s not a lot of training involved with it. We’ve taken over our own maintenance; we had a guy doing it, but we realized, ‘we can do this, it isn’t that hard.’”

“We love it,” he sums up, and that’s high praise for what may be the least fun Endless Pool anywhere. Each semester, “The first thing I tell them, ‘if I ever catch you in this pool not doing research, you’re done!’” So it’s all business at Cal State. But for those who may soon turn to recreational surfing as a reliable gym alternative, and for swimmers who one day don next-generation wetsuits, they’ll have researcher/surfer/taskmaster Sean Newcomer to thank.

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