Diyafram doğru kullanılırsa nefes desteği artar.

Kullanılırsa breaks down into:

• kullan- = to use
• -ıl- = passive
• -ır = aorist / general statement form
• -sa = if

So kullanılırsa means if it is used.

In this sentence, Diyafram doğru kullanılırsa... means If the diaphragm is used correctly...

Turkish often uses this kind of passive structure where English might also say:

• If the diaphragm is used correctly...
• or more naturally in some contexts, If you use the diaphragm correctly...

Both ideas are close, but the Turkish sentence itself is built with the passive.

The passive makes the sentence sound more general and impersonal.

• Diyafram doğru kullanılırsa... = If the diaphragm is used correctly...

This avoids saying exactly who is using it. That is very common in Turkish, especially in general truths, instructions, and explanatory statements.

An active version could be something like:

• Diyaframı doğru kullanırsan, nefes desteği artar. = If you use the diaphragm correctly, breath support increases.

That version addresses you directly.
The original sounds more neutral and instructional.

Here doğru means correctly.

Although doğru is often taught as an adjective meaning correct or right, it can also function adverbially in Turkish, especially in everyday usage.

So:

• doğru kullanmak = to use correctly

In English we clearly distinguish:

• correct = adjective
• correctly = adverb

Turkish often does not need a separate adverb ending in cases like this.

Nefes desteği is a noun compound.

It is made of:

• nefes = breath
• desteği = its support / support of

Together, nefes desteği means breath support.

This is a very common Turkish pattern:

• X Y-si / Y-sı / Y-su / Y-sü
• meaning something like X Y or the Y of X

Examples:

• su şişesi = water bottle
• telefon ekranı = phone screen
• nefes desteği = breath support

So Turkish does not just place two bare nouns together the way English often does.

This happens because of the noun compound ending.

The base word is:

• destek = support

In the compound nefes desteği, the second noun takes the 3rd person possessive-type compound ending:

• destek + i → desteki in theory

But Turkish spelling and sound rules change the final k to ğ before a vowel in many cases:

• destek → desteği

So:

• nefes desteği = breath support

You will see this often:

• renk → rengi
• çocuk → çocuğu
• yemek → yemeği
• destek → desteği

Artar is the aorist form, which is often used for:

• general truths
• habitual actions
• things that usually happen
• cause-and-effect statements

So here:

• nefes desteği artar = breath support increases

This does not mean it is increasing right now at this exact moment.
It means something like:

• it increases
• it will increase
• it tends to increase
• it increases as a result

That is why artar is a very natural choice in this kind of explanatory sentence.

Compare:

• artar = increases / will increase / tends to increase
• artıyor = is increasing
• arttı = increased

Very often, yes.

The conditional suffix is:

• -sa
• -se

Which one you use depends on vowel harmony.

In this sentence:

• kullanılırsa = if it is used

So instead of a separate word like English if, Turkish often attaches the conditional directly to the verb.

More examples:

• gelirse = if he/she comes
• yaparsan = if you do
• olursa = if it happens / if there is

So a key pattern is:

• verb + -sa/-se = if + verb

Turkish does not have articles like the or a/an.

So:

• diyafram can mean diaphragm or the diaphragm, depending on context.

In this sentence, English naturally uses the diaphragm, but Turkish simply says:

• diyafram

The same is true for many nouns in Turkish. Context tells you whether English would need a, an, or the.

Because diyafram is not acting like a direct object here in the Turkish structure.

The sentence is passive:

• Diyafram doğru kullanılırsa...
• literally: If the diaphragm is used correctly...

In an active sentence, you might see the accusative:

• Diyaframı doğru kullanırsan... = If you use the diaphragm correctly...

Here:

• diyaframı has the accusative -ı

But in the original passive version, the noun appears without that object marking:

• diyafram

So this difference comes from the change between active and passive structure.

The sentence is:

• Diyafram doğru kullanılırsa nefes desteği artar.

A helpful way to understand the structure is:

• [Conditional clause] + [Main clause]
• If the diaphragm is used correctly, breath support increases.

So:

1. Diyafram doğru kullanılırsa = if the diaphragm is used correctly
2. nefes desteği artar = breath support increases

This order is very natural in Turkish.
Turkish word order is flexible, but putting the if-clause first is common and clear.

Yes, in some contexts -sa/-se can feel a bit like if or when, depending on meaning.

In this sentence, the most straightforward translation is:

• If the diaphragm is used correctly, breath support increases.

But in a practical or instructional context, English might also express the idea as:

• When the diaphragm is used correctly, breath support increases.

The Turkish form itself is still conditional, but real usage can overlap with a when this condition is met meaning.

Here artmak is intransitive.

• artmak = to increase, to rise
• artırmak = to increase something, to raise something

So:

• nefes desteği artar = breath support increases
• not someone increases breath support

If you wanted the causative meaning, you would use artırmak:

• Bu teknik nefes desteğini artırır. = This technique increases breath support.

This is a useful pair to learn:

• artmak = increase, go up
• artırmak = increase something

Yes, that is exactly a good way to understand it.

Because of forms like:

• kullanılırsa = if it is used
• artar = increases / will increase

the sentence sounds like a general principle or explanatory statement, not a one-time event.

So the overall feeling is:

• If the diaphragm is used correctly, breath support increases.
• Using the diaphragm correctly leads to better breath support.

This kind of sentence is very common in teaching, training, health, music, and technical explanation.