Med utgangspunkt i bordhøyden justerer hun sittehøyden.

This is a fronted prepositional phrase. In Norwegian, it is very common to place time phrases, place phrases, or other contextual information at the beginning of the sentence.

Here, Med utgangspunkt i bordhøyden sets the basis or reference point for the action before the main clause appears.

A more neutral word order would be:

Hun justerer sittehøyden med utgangspunkt i bordhøyden.

Both are grammatical, but starting with the phrase makes it sound a bit more formal or structured.

Because Norwegian main clauses follow the V2 rule: the finite verb must be in the second position.

When the sentence begins with something other than the subject, the verb comes next, and the subject moves after the verb.

So:

• Hun justerer sittehøyden.
• Med utgangspunkt i bordhøyden justerer hun sittehøyden.

The first element is the whole phrase Med utgangspunkt i bordhøyden, so the verb justerer must come second.

It is a fixed expression. Grammatically, it contains:

• med = preposition
• utgangspunkt = noun
• i = preposition

Even though it is made of several words, learners often benefit from treating med utgangspunkt i as one chunk.

It is used in fairly formal or neutral written Norwegian. You will often see it in instructions, academic writing, official language, and descriptive prose.

Because the full fixed expression is med utgangspunkt i. The noun utgangspunkt normally connects to what follows with i in this expression.

So you say:

• med utgangspunkt i bordhøyden
• med utgangspunkt i behovene hennes
• med utgangspunkt i resultatene

You generally learn this as a set phrase rather than trying to build it word by word each time.

Because Norwegian forms compound nouns by writing them as one word, unlike English, which often uses separate words.

So:

• bord + høyde = bordhøyde
• sitte + høyde = sittehøyde

This is very normal in Norwegian. The last part of the compound is the main noun, and the first part specifies it.

A native English speaker may want to write something like bord høyden or sitte høyden, but that would be wrong in Norwegian.

The ending -en marks the definite singular for many masculine nouns in Bokmål.

So:

• en bordhøyde = a table height

• bordhøyden = the table height

• en sittehøyde = a sitting height / seat height
• sittehøyden = the sitting height / the seat height

In this sentence, the definite form is used because it refers to specific heights, not just height in general.

Both are possible in Norwegian, but they are not equally common in all contexts.

Norwegian often prefers a compound noun where English might use the height of the table or the table's height. So bordhøyden is very natural.

You could also say bordets høyde, but that is often more formal, more explicit, or stylistically heavier.

In many practical or technical contexts, the compound form sounds more natural:

• bordhøyden
• setehøyden
• arbeidshøyden

Justerer is the present tense of the verb å justere.

So:

• å justere = infinitive
• justerer = present tense

Norwegian present tense verbs do not change according to the subject, so the same form is used with jeg, du, hun, vi, etc.

Examples:

• Jeg justerer
• Hun justerer
• Vi justerer

Yes, in this sentence structure it is.

Because the opening phrase takes first position, the finite verb must be second, and then the subject follows:

• Med utgangspunkt i bordhøyden justerer hun sittehøyden.

If the subject came first, then the normal order would be:

• Hun justerer sittehøyden med utgangspunkt i bordhøyden.

So the placement of hun depends on what comes first in the clause.

Yes. Norwegian very often creates precise nouns by combining elements into a compound.

Here, sittehøyde is built from:

• sitte- related to sitting
• høyde = height

This kind of formation is extremely common, especially in technical, practical, and descriptive language.

Other similar examples:

• arbeidshøyde = working height
• skulderhøyde = shoulder height
• takhøyde = ceiling height

Yes. A very natural alternative is:

Hun justerer sittehøyden med utgangspunkt i bordhøyden.

This version starts with the subject, so the order becomes the more basic: subject + verb + object + adverbial phrase

The original version sounds a bit more formal or instructional because it highlights the starting point first.

It sounds neutral to somewhat formal. The phrase med utgangspunkt i especially gives it a more structured, written, or instructional tone.

In everyday speech, people might choose something simpler depending on context. But the sentence itself is perfectly natural Norwegian, especially in written explanations, manuals, ergonomic advice, or technical descriptions.

Because the sentence refers to specific, relevant heights in a particular situation: the table height and the seat height.

Norwegian often uses the definite form when talking about concrete, contextually known things, especially in instructional or descriptive writing.

If you used the indefinite forms:

• en bordhøyde
• en sittehøyde

that would sound more like you were introducing those concepts for the first time, or speaking more generally rather than about a specific setup.