5 Errors to Look Out for When Conducting a Video Analysis

By Duncan Ritchie

21-September-2022 on Tips

16 minute read

Whether you are just getting started in the world of video analysis or are a seasoned pro, mistakes can be made. These mistakes can derail your workflow or, even worse, make your entire analysis worthless.

 

Here are a few common errors that we’ve seen committed and that you should watch out for.

 

Let’s get started…

1. Not Filming Correctly

 

Some of the most common video analysis errors come right at the beginning of the process. A good video analysis relies on good game footage, so you need to ensure you get this stage correct.

 

The first consideration is the equipment that you use. Yes, most of us carry around a smartphone in our pockets which has a camera capable of recording in full HD, but is this the most suitable device for capturing the action?

 

Well, it might be, depending on your needs, and especially if you’re using a dedicated video analysis app such as Nacsport Tag&view for iOS.

 

Analysing with nacsport tag&view

 

But, generally speaking, we would suggest that shaky handheld footage captured from the sideline is less than optimal for performing a video analysis.

 

In fact, we would suggest that the bare minimum you need for capturing decent footage is a good camera and a tripod. The tripod is essential for capturing smooth, clear video.

 

When buying a camera, a few things you need to consider include the resolution and the zoom. Obviously, the higher the resolution, the better the quality of the video. And a decent zoom will allow you to hone right in on the most important aspects of performance.

 

If you would like some recommendations for video cameras, you can download our ebook The Nacsport Video Analysis Hardware Guide which is full of recommendations for not only cameras, but also computers, capture devices and drones. This will ensure you have all the necessary equipment for performing a video analysis well.

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Another error that we often see when it comes to filming is not capturing the footage at the correct angle. When filming a team sport, for example, you want to be filming from an elevated position in order to get a full view of the field of play, not from the ground level, where other players may wander in front of the camera’s view, meaning that the footage becomes unusable.

 

In fact, for team sports, you may want to consider installing an IP camera system with either a fixed or moveable mast. For more information on what IP cameras are and how they can be used for sports analysis, check out this article where we explain all.

 

For individual sports, you may be more interested in a biomechanical analysis of the athlete. In this case, you’ll want a tighter angle, focusing on the athlete. Footage will be captured from the side or from the front and back, depending on what aspect you are analysing.

 

Whatever the case, getting the filming stage correct will make the subsequent analysis much easier.

 

 

 

2. Failing to Plan and Analysing the Wrong or Irrelevant Parameters

 

One of the greatest strengths of Nacsport is the level of customization it offers and its adaptability to any sporting scenario.

 

The button template is a completely blank page and can literally be adapted to include any analysis parameter you could think of.

 

basketball template for video analysis

 

But this blank page is also the cause of one of the biggest errors when it comes to performing a video analysis.

 

Fear of a blank page is a common phenomenon which can paralyse prospective video analysts. What should be included in the template? How should it be designed in order to make it as useful as possible to the team? How can the collected data be used to improve the performance of the team?

 

These are all common questions which analysts will ask themselves, especially if they are new to the discipline, and they are all important issues to consider.

 

Before you even think about opening Nacsport, we recommend that you sit down with coaching staff at your club and devise a plan of attack for your analysis. Find out what coaches want to see when making a game plan and the areas of performance that they would like to see improved.

 

From here, sit down with a pen and paper and decide exactly how you can collect appropriate clips and data that add real value to the team. Also, have a read of this article from analyst Sergio Almenara which talks about important KPIs in soccer, or this article from Daniel Muñoz which concentrates on analysing goalkeeping performance. There are also plenty of other resources on our blog which provide information on what should be analysed. Feel free to have a browse.

 

Once you’re ready, sit down at the computer and create your Nacsport button template and include all the main aspects of performance you want to analyse.

 

The button template is the very basis of your analysis and it’s extremely important that you get it right at this stage. Check out the video below for information on how to create a template:

 

 

If you need more help, we have some free pre-made templates for various sports that can be downloaded from our website. These may serve as inspiration for your own analysis and can be adapted to your own needs.

 

 

 

3. Taking Statistics at Face Value Without the Context of Video

 

Collecting statistical data is easy with Nacsport, as you probably know. You can set up your button template so that you can register every corner, goal kick, pass and foul in the match with ease.

 

nacsport statistical dashboard

 

But relying solely on statistical data is a big mistake. The analysis will only make sense when you use the objective context that the video provides.

 

In soccer, for example, you are analysing your opponent for the next game using data and video obtained from an online data provider. You import the analysis, open the dashboard and instantly see that your next opponent had three shots on goal and that the other team had twelve. From this, it would be easy to assume that your opponent is weak in attack and that you can dominate in this area.

 

But this doesn’t take into consideration the fact that your next opponent scored two goals early in the match and decided to concentrate on defending which lead to them sitting back and allowing the other team to run at them. It doesn’t show you the defensive formation which applied so much pressure to the opposing strikers that their shots were inconsequential to the outcome of the match.

 

What we’re trying to say is that statistics are next to useless without the context of video, and that’s where video analysis software excels. In Nacsport, for example, all the statistical data that comes from the data matrix or dashboard is directly connected to the video. Clicking on any statistic will open the related video to show you EXACTLY what happened in the match.

 

This is analysis, and it’s this level of interactivity that makes Nacsport so useful for planning strategy and improving performance.

 

 

 

4. Not Making Full Use of the Tools Available to You

 

Are you using the full potential of your video analysis software?

 

There are some tools available in Nacsport which can make your analysis quicker, easier and deeper. Some of these tools might only be available in higher versions of the program. If in doubt, please check the side-by-side comparison on our website to see if they are available at your level. Click the links for more info on each tool.

 

Clustered buttons. This tool allows you to layer buttons on top of each other. Clicking on one will automatically click those that lie below it. This means that you get a much deeper analysis with fewer clicks of the mouse.

 

nacsport dashboard for analysing goalkeepers

 

Activation Links. Link the buttons on your template so that clicking on one activates or deactivates the other. Allows for clicks that work in combination and, again, provides a much deeper analysis.

 

Panel Flows. Another template tool which allows you to organize your workflows logically and obtain a much deeper analysis. Organizes your template into a series of panels so that clicking on one opens another in a predefined sequence.

 

Graphic Descriptors. A powerful tool which allows you to add coordinate data into your analysis, showing exactly where on the field an action happened. Can be used to create heatmaps and movement maps.

 

 

Player Connections. See how different groups of players interact with each other during a game, giving you deep insights into lineups and formations.

 

Filtering Tools. Nacsport has many tools for searching through your collected data and video clips making it easy to get right down to the grain of your analysis quickly and easily.

 

This is just a small sample of the advanced analytical tools available in Nacsport, there are many more. Use these tools to get a quicker, deeper analysis which is guaranteed to bring insights into your team’s performance.

 

 

 

5. Making Presentations Too Long or Overcomplicated

 

The presentation of the insights you’ve gleaned from an analysis is the culmination of the entire process, and you want to make it as effective as possible. Your presentation must be clear and laser focused in order to be useful to your players.

 

presentation with nacsport at ASM Clermont Auvergne

 

A few questions you might ask include:

 

Q. How long should a presentation be?

A. As long as it needs to be in order to get your message across. However, we recommend being as concise as possible. Nobody wants to be stuck in a room watching an hour long video presentation, especially young footballers who want to be out on the field kicking a ball around. Try and limit presentations to a maximum of 15 minutes.

 

Q. How should you present your findings? To individual players? To the full team?

A. This is something that should be decided between you and the coaching team. Perhaps it makes more sense for you to present to the head coach and then they pass on the info to the players. Perhaps you are better placed to do this. Whether you present to the full team or an individual will depend on the type of analysis you’ve done.

 

Q. How many video sessions should you have per week?

A. Again, this is a decision that must be made between the whole coaching staff and will depend on many factors. For example, if you are analysing training sessions as well as matches, it might make sense to have a video presentation after every session.

 

So, there you have it. As you can see, there are no definitive answers to these questions, but will instead depend on the needs of your team and coaches.

 

Anyway, creating video presentations with Nacsport is very quick and easy, so you can be adaptable, right?

 

 

Lastly, there are a few resources available to Nacsport users which will help improve the delivery of your video presentations.

 

KlipDraw is the official Nacsport drawing tool which allows you to add drawings and text to your video frames to help clarify your message. KlipDraw Motion even allows you to track players on moving video.

 

Sharimg is an online platform which has been designed specifically for storing and sharing analysis work. As alternative to video meetings where the entire team is present, your analysis work could be accessed whenever a player wants and needs it. This makes for a much more flexible system of sharing insights. There are many more benefits to using Sharimg, so check out the website for yourself.

 

 

 

Conclusion

 

There are many pitfalls to be aware of when conducting a video analysis and this is just a brief overview of some of the major issues you might encounter.

 

As with most things, planning is the key to success. Thoroughly plan what you want to do and make a plan for how you want to do it.

 

Be aware of all the resources at your disposal and make the most of them. You’ll make a few mistakes along the way, but that’s ok…that’s how we learn.

 

At the end of the day, once you have developed your own workflow, video analysis is all but guaranteed to improve the performance of your team.

 

If you aren’t yet a Nacsport user, get yourself a free trial now and see for yourself the power of our analytical tools.

 

For the rest of you…

 

Get analysing!

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