biology

Ski sickness

Ski sickness is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Ski sickness rather than just read about it. In short: Ski sickness or Häusler's disease is a form of motion sickness which some skiers develop when weather conditions are bad. Poor visibility in heavy fog can bring on the condition as well as psychological factors such as fear of heights or fear of mountains.

Key takeaways

Ski sickness belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Ski sickness to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Ski sickness from memory before moving on to harder problems.

Reference excerpt

Ski sickness or Häusler's disease is a form of motion sickness which some skiers develop when weather conditions are bad. Poor visibility in heavy fog can bring on the condition as well as psychological factors such as fear of heights or fear of mountains. High speed and falling may also contribute as when descending rapidly atmospheric pressure changes in the ear from high to low altitude. Symptoms are similar to other sicknesses brought about by motion and include: dizziness, headaches and nausea and in more extreme cases vomiting. In whiteout conditions, the brain is unable to determine orientation or movement accurately. The condition is caused by the rhythmic turning motion of skiing and other effects such as a reduction in sensory feedback from constrained feet. In 1995 Rudolf Häusler of the University of Berne was the first described to have this disease. Ski sickness could affect up to 10% of skiers. Professor Häusler found that over-the-counter prescription medicines for motion sickness relieved the symptoms for most affected people.

References

External links How To Avoid Motion Sickness

Worked examples

Example 1 — a first encounter with Ski sickness

Start with the simplest possible case. Write down what Ski sickness claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Ski sickness before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Ski sickness ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Ski sickness

In research: Ski sickness appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Ski sickness in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Ski sickness is common in secondary-school and first-year university syllabi. It links to neighbouring topics Disease stubs, Motion sickness, Skiing, so understanding it makes those chapters shorter.
In everyday life: Look for Ski sickness outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Ski sickness” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Ski sickness in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Ski sickness means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Ski sickness out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Ski sickness in simple terms?

Why does Ski sickness matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Ski sickness?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Ski sickness.