Welcome to Part Thirteen of The Beginner’s Guide to Freediving, the best place to start your freediving journey.  If you’re planning to start freediving, this chapter covers describes how to achieve the perfect duck dive for freediving, why the perfect duck dive is essential and how to do one with minimal effort. Read about each stage and how to put it all together for the perfect duck dive.

Achieving The Perfect Duck Dive for Freediving

This article covers duck diving for freediving, why it is a critical skill to master, and how to successfully execute one.

The duck dive is the foundation of your entire dive. A good duck dive will have you at five meters with almost no effort, while a poor duck dive will leave you thrashing about, using up your precious oxygen supplies before you have even left the surface.

The secret to a good duck dive is to make each component flow seamlessly into the next, so that you use minimal effort to get your body and fins under the surface. It’s very difficult at first to coordinate each stage, not to mention perform it upside down, so let us look at the forces at work and how to make them work to your advantage.

Body positioning in preparation for a duck dive

The best position for starting a duck dive is on your front, breathing through a snorkel, as you are ready to start the duck dive without changing anything. If you choose to breathe up on your back, you will need to factor in a roll onto your front before you leave the surface, and this can be complicated if you are wearing a lanyard. If you breathe up in an upright position, you will need to assume a horizontal position to start the duck dive after your final breath.

For simplicity’s sake, we will assume that you are lying on your front, snorkel in, breathing in a very relaxed fashion next to a line. Unless there is zero current, you will find it useful to lightly hold the dive line in one hand, keeping it next to your body. This is to ensure it is in the right position in relation to you when you come to do the duck dive. I find it helpful to hold onto the line with the hand to which my lanyard is attached, so that the lanyard does not cross my body.

You want to keep the dive line next to you so you can make sure you duck dive ahead of the line by about a metre. This ensures that when you duck dive you are automatically facing the dive line and close enough for there to be no drag from the lanyard running along it. If, when you duck dive, you cannot immediately see the line, then get your instructor or buddy to take a look and see where in relation to the line are you starting the dive.

Perfect Duck Dive for Freediving: Step 1 – snorkel, ‘prequalization’ and momentum

After taking your final breath, remove your snorkel and perform an equalization. One of my instructors coined the term ‘prequalization’ as it slightly inflates the eardrums outwards before the dive. You may find that you do not need to do this prequalization, however pressure changes are the most intense in the first 10 meters and you may find that this pre-inflation of your ears helps you last until your first equalization of the dive, which can come as late as 4 or 5 meters deep.

Perfect Duck Dive for Freediving: Step 2 – Arms forward and down

The next step is to put both arms out in front of you and dive forward with your arms leading your upper body, bending at your hips to create a right angle. This must be a confident movement. Imagine you are in a pool, trying to touch the bottom. Be aware at this point to keep the legs completely straight so the body assumes a 90-degree angle, bent at your hips.

Perfect Duck Dive for Freediving: Step 3 of a duck dive – Legs up

The next step is to raise both legs out of the water together until vertical, making your body straight again. This will naturally create the momentum needed to push you under the water without having to make any additional effort.

To get an idea of this concept, float upright in the water with your head above the surface, and then raise your arms together over your head – your head will automatically dip below the water. This is the effect of simply raising your arms. When you raise your legs vertically out of the water as part of the duck dive, this helps propel you under the surface. Beginners often bend their legs, separate them, don’t bring them to vertical, or bring them too far over. Again, use your buddy and instructor to assess what is happening with your legs if you have difficulties.

Perfect Duck Dive for Freediving: Step 4 – Pull and equalize

The moment your legs are vertical, bring both arms back to the side of your body in a scooping, breast stroke movement, before bringing one hand to your nose to equalize and then keeping it there (more on this in the chapter on equalization).

One common mistake people make is pulling their arms towards their body as soon as they have reached down into the water. Wait until your legs are vertical and only then pull with your arms. If you need to do more than one arm pull then something has gone wrong.

Perfect Duck Dive for Freediving: Step 5 – Start finning

When your arms have pulled and you have equalized, start finning. If you complete these stages one after the other without a gap or overlap, you will find that your fins are completely under the water by the time you make your first proper equalization and you will be around 5 meters deep.

Make sure your finning is strong and effective in the first few meters, so as to not lose the depth achieved by a good duck dive.

We’ve covered correct weighting in another article, but it is important to mention that many beginner freedivers and spearfishers compensate for poor duck dive technique by over-weighting. The moment excess weight is taken off them, they fail to leave the surface in a graceful fashion. My instructors will then perform a duck dive with no weight, just to show them that it can be done!

 

Duck diving with something in your hand

If you are holding a spear gun or camera then it can be difficult to use both arms to pull with once your legs have been raised. Ensure that the rest of your technique is perfect and only pull with one arm, unless your camera is small as you don’t want to bash yourself in the head with it. The most important thing is to get under the water expending the minimum amount of energy.

Spearfishers sometimes use a technique whereby the legs are spread and only one lifts out of the water, creating as little disturbance as possible when leaving the surface. This is fairly easy when you are wearing a lot of weight and is a technique that can be adopted when shallow spearing. However, it is still possible to duck dive with both legs coming vertically out of the water with almost zero water disturbance if the correct technique is applied.

Beginners Guide to Freediving - how to do the perfect duck dive for freediving - Spearfishing Freediver at the surface

Spearfishing Freediver at the surface

Duck diving with a nose-clip or monofin

If you are diving with a nose clip then you will not need to prequalize or use your hand perfect duck dive for freediving , as you can equalize against the nose clip whenever you need to. You may find that if you are diving with a monofin you want to keep your arms above your head for the duration of the dive. Just ensure that your monofin is completely below the surface before you start to fin.

Common problems with executing a duck dive

When diving by a line it can be tempting to pull on the line to help you get under the water if your duck dive is not very efficient. This is counter-productive, and complicates and hinders the start of your dive. If you find this keeps happening, move away from the line to practice. The purpose of learning to dive on a line (preferably with a lanyard) is that it forces you to learn how to dive vertically down, so when recreational diving for photography or spearfishing, you can choose a point, duck dive and know that you will hit it. It also means that your descent is as efficient as possible and you have more time at depth.

Apart from coordinating the stages correctly, another common problem when trying to achieve the perfect duck dive for freediving, is that divers bring their upper body too far forward and then their legs too far over, thus doing a somersault and ending up back on the surface. Here again, the line is useful tool to help keep you vertical in the water.

In Summary

To summarize, an effective duck dive gets you under the water with the minimum amount of effort. Duck diving can be simplified by reducing it to the following steps:

  1. Last breath, snorkel out, prequalize
  2. ARMS reach down, hinge at hips
  3. LEGS come up in the air together
  4. ARMS pull and one hand comes to the nose to equalize
  5. LEGS start finning

If you follow these steps one after the other you should quickly master perfect duck dive for freediving. Make sure your duck dive is ahead of the line by about a meter so you end up facing the line on your descent, and use your instructor and buddy to critique your duck dive and help you improve.

Some divers also use a technique known as a one leg jack-knife. Here are the steps for this alternative method:

1. Forward motion

2. Bend 90 degrees at waist

3. Flip one leg vertical (keep your toes pointed). No arm motion necessary.

Written by Emma Farrell

The Beginner’s Guide to Freediving is written by Emma Farrell. She is one of the world’s leading freediving instructors and has been teaching freediving since 2003. She is the author of the book ‘One Breath, a Reflection on Freediving’, has written courses that are taught worldwide, taught gold medal winning Olympic and Paralympic athletes, and has appeared numerous times on television teaching everyone from Hugh Fearnley-Whittingstall to Ellie Simmonds how to freedive.

Read more about Emma here.

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Learn more about Freediving

Read the previous chapter of The Beginner’s Guide to Freediving – ‘Weighting Yourself Correctly for Freediving’ here now

Read the next chapter of The Beginner’s Guide to Freediving – ‘Finning Techniques for Freediving’ here now

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This article first appeared on Deeper Blue.com