Author Archives: Henk Kraaijenhof

About Henk Kraaijenhof

My name is Henk Kraaijenhof and I started this blog as a random collection of concepts, ideas, stories and events that are important or interesting to me in my work as an international performance consultant in a wide range of fields, and sometimes outside of my work. I will try to post a new entry every 3-4 days. Feel free to comment if you like.

Velocity-based training, or power-training.

  It is a big thing right now in the US. Yes, one finally found out that the velocity of the execution plays an important role in movements too. Until recently the focus was on the force or load part … Continue reading

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An early discovery: the alpha burst.

As it is when you got a new toy…. you want to play with it. Early in the 1990’s I saved money to buy biofeedback hardware and software, One of my first try-outs was with archers, since archery is a … Continue reading

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Tools and toolboxes (and podcasts)

During the Olympic games I was asked to contribute a coaching tool for an elite coach’s exhibition and write an article about my choice. Obviously I choose my old stopwatch.     Did I have more tools they asked me. Oh yes, … Continue reading

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Measuring muscle balance in action.

We talk a lot about muscles, after all they make up 40% of our body weight, and are the origin of our ability to move and to communicate. One very important aspect of muscle functioning and muscle injuries is the … Continue reading

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Happiness is overrated.

In my daily work I do not only help elite athletes, but high-performers in all fields of life, celebrities, artists, actors, CEO’s, etc. Sometimes we talk about life in general. Now here in Holland the trend is to focus on … Continue reading

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Speed myths – part 3: Good sprinting technique is crucial for good sprinting results.

My problem isn’t as much with the statement in itself as well with the word “good”. Let me ask a few critical questions: What does “good” actually mean? He/she is running fast, so it must his/her good technique must be … Continue reading

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Speed myths – part 2: Get strong, sprint fast…

Strength training is an indispensable part of the training of elite sprinter, at least for most sprinters, not for all. I have personally coached good sprinters, man running sub.10 secs hardly being able to squat 80 kgs (180 lbs) or … Continue reading

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Speed myths – part 1: Sprinters are born.

When lecturing, I encounter a lot of ideas and concepts that are often taken for granted by a large part of the audience without any critical thinking about what is written or said. In the form of a few blog … Continue reading

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Making a difference (by not having to use smartphone).

Lecturing a lot for different audiences for about 35 years allows me to notice changes in the transfer of information and the value of knowledge and experience. One of the most heard answers I get when asking a question nowadays … Continue reading

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A book and random thoughts.

I finally found the time and mindset to write a post for my blog, I have been hooked up in many projects the last couple of months. There is time to read and learn, a time to experiment and to … Continue reading

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