Functional Boysurfing Core Workout

There is a considerable gap between muscle work in the gym and the mechanical movements performed in the surf. The similarity between the ever-popular crunch workouts and bodysurfing maneuvers is small to non-existent. So why not work out in a way that closely resembles bodysurfing movements?

Bodysurfing functional fitness exercises will train your muscles to work together and prepare them for bodysurfing tasks by simulating and overloading common movements you might do in the surf.

While using various muscles in the upper and lower body at the same time, the functional bodysurfing exercises shown in this video emphasize body streamline improvement and strengthening of respiratory muscles.

It's important to maintain a clear, visual memory and sensory memory of surfing a wave while performing these drills, which strengthens and tones your abs, shoulders, arms, and back in the same way bodysurfing does.

It´s all about fine-tuning the details, so that the actions performed in the gym approximate those conducted in the surf, facilitating a sensorineural transfer between your home workout and surf. For example, the position of the arms and hands holding an AB roller is far from that of holding a handboard, or swimming in the hyper-streamline or superman position. Also, AB rollers are too stable.The axel of the skate wheels under the board in this exercise can be adjusted to be as unstable as you can handle. The more unstable, the more demanding.

 We bodysurfers need a strong core.

The difference between a bodysurfer with really strong core and one with a not-so-strong core is the same difference between surfing a large wave with a carbon fiber board or a low-density foam board (without the fiberglass coat 🤣 ).

Common mistakes related to swimmers´ streamlines, such as fingers separated and thumb sticking out, represent an average 18.2% increase in frontal drag - and the feet hanging can represent a whopping 33% increase in frontal drag1! Add the wave’s speed and instability, and these numbers increase alarmingly.

During the drills you must hold you fingers, hand and your feet during the hyper streamline and superman variation.

Improve your streamline, and your performance and safety in the wave grows proportionately.

Strengthening your core muscles (that includes abdominals and layers of stabilizer muscles that run around your entire torso, including along your sides and lower back) in the “bodysurfing way” displayed in the video will result in a strengthened core acting like a corset of muscle ready to pull everything into the maneuver performed on the wave.

You will find that not touching the floor or the gymnastic bench with your chest, head or arms, requires a huge of effort by the specific parts of the muscles in your back and shoulders that are used while bodysurfing.

These drill besides strengthening the core, also strengthen respiratory muscles, which are key to the maintenance of the streamline position while breathing in and out comfortably when bodysurfing.

The weight of your body added to that of the ankle weights and the pressure coming from rubber band squeezes your diaphragm. You have to work hard to breathe. You should inhale and exhale when you perform these exercises.

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LeblonFins are designed for effortless thrust and drive, with side rails that stick you to the face of the wave, and a comfy foot pocket.The sizes Medium and Large have been widely tested, approved and adopted by the world's most renowned bodysurfers and lifeguards. Now we´re to crowdfunding to produce the sizes XS, S, ML and XL.

Shop the remaining stock in sizes Medium and Large

LeblonFins Flex
LeblonFins Original
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Read the Reviews

Let customers speak for us

29 reviews
Effortless thrust

My feet are slightly too large for size M, but size L is loose enough for fins to pop off when hit by a lip, so a tether is essential, and probably a bit of padding, socks, or booties. This will be worked out. For me, sizing is rather similar to DaFin, which also pop off and require tethers. I can fit a size M with DMC Repellor, L in MS Viper, and 10-11 in POD Fins 3-PF3 Evolution, all with less risk of fins popping off.

The Leblon Flex fins are comfortable and have caused almost no fatigue in the first few days of use, which follows a summer with a lot of inactivity, including a recent, bad cold or sinus infection.

I am impressed at how easy it is to swim around the beach with the Leblon flex model. Just kicking while being on my back with perhaps a bit of backstroke was faster and more efficient than I'd been accustomed to. The Leblon has distinctly more thrust than MSViper, DaFin, or POD (right in the photo) that I've been using.

Being a large and heavy fin, the Leblon is a bit harder to walk with than the others, but the it's completely at home once in the water. The Leblon has ridges on the bottom of the foot pocket to help with traction. The drain holes, unusually on the top side, quickly clear out sand, which at our beach has a lot of shell fragments. Fins with round drainage holes clear slowly,

Catching little waves, no more that 1 meter, took a bit of re-learning. Wait farther back: It's easy to accelerate like a board rather than try to push off from the bottom as the wave is breaking. We should have 2-meter waves in a few days.

My guessing is that learning to use the Flex model to full effect will take a while. It means faster, better beach swimming. I haven't yet tried them with a camera, handplanes, bodyboards, or surf mats.

Night and day level of thrust compared to what you've grown used to.

I've used my fair share of swim fins (Churchill Makapuus, Slashers, DaFins, Voit Duck Feet, Viper V-5s, etc.) and these definitely produced the biggest shock factor when first kicking around with them. While the level of ankle/leg fatigue from 15 minutes of use is definitely increased, the amount of propulsion generated from a few short kicks is incredible. I spent a day in 3-4' sets switching between my Leblons and DaFins and couldn't stop commenting on how the DaFins felt laughably flexible and weak after using Leblons for awhile. A strong dolphin kick with these was allowing me to enter a wave ~3-5 yards sooner than with the Dafins. creating for some special lines.

A quick warning - don't overestimate your leg strength or experience level when choosing these. I am rocking the Originals and could barely see myself moving up to the Pros (and quite honestly wonder if the Flex line would have been more appropriate). That being said, no regrets at all with my purchase. I will likely get another pair of these in a size up to accommodate for booties in the winter season.


I have been ridding waves for 5 decades . I have owned and used the following fins .
Churchill’s , Duck Feet UDT ,Reedly , Viper V7, Force Fins ,
Toobs blunt cut , Dafin ,
Leblon soft and mid flex .

I ordered the Leblon fins because the long side rails caught my attention .

After rideing waves with these fins I can say from expirence that the Side rails really help in holding in on a step wave face . I use them for body surfing and mat rideing .

They are very powerful equaling my
Duck feet UDT s . Which are the most powerful fins I have used . And yet they are much more comfortable than the UDTs.

I wear a size 12 shoe . I ordered the large size . They were a bit lose but I wear a 2 mm fin sock with them and they work fine . I do the same thing with my duck feet and duck feet UDTs.

Tried The Rest... Now I Have The Best

Before deciding on my first pair of Voit Duck Feet, I read countless reviews and online articles. Not long after that, a pair of DaFins showed up in my surf bag. Thinking I was done buying fins, I quit looking. Well, intentionally, anyway. Then somehow I happened across Leblon Fins. I saw an ad on for a pair of the Leblon "Original" model and was intrigued by the design.The more I read about them the more I had to see for myself if they really worked as well as the reviews were saying. I had to have a pair. But couldn't decide between the Flex Model and the Originals. Leblon recommended the Flex Model for those "new to the Leblon experience" due to the Originals extra stiffness which they said required a getting used to period, also mentioning they could be just too stiff for some.

Now what do I do? I want the Originals but don't want to find out I can't handle them. Or do I take the recommendation of the Leblon folks and order a pair of the Flex Model. Oh....wait a minute. They have a 10 day return policy. There you go, that settles it. I order a pair of each in size large.

I am a size 10.5 with a super wide toe box. The large were a tiny bit loose on my feet until I put my fin socks on. Then they were PERFECT! The foot pocket on these Leblons is one of the most, if not THE most comfortable foot pockets I have ever worn.

So now for the real test. How do they work? Simply put, these are some powerful fins. I didn't have to think too hard if these fins felt different. With only a few kicks, the difference in propulsion between these and my other fins was obvious. Getting out into the lineup, and getting into the waves earlier was a new experience with my new Leblon Originals. And the kicker was that my wife, Kathy, watching from the beach, could tell how well the fins worked for me.

After two hours was I sore? Yes, a little, mostly on my ankles. But it was a good sore...

They run big

The fins are great but they definitely run bigger than I thought