Istegni se posle zagrevanja.

Itegni is the imperative form, used for giving a command or instruction: Stretch!

It comes from the verb istegnuti (se), which is a perfective verb. In exercise instructions, Serbian often uses the imperative of a perfective verb to tell someone to perform a complete action.

• istegni se = stretch
• istegneš se = you stretch / you will stretch depending on context, not a command
• istezati se = to be stretching / to stretch repeatedly, the imperfective version

So in a workout or instruction context, istegni se sounds natural and direct.

Se is the reflexive particle. Here it shows that the action is done to yourself.

So:

• istegnuti = to stretch something
• istegnuti se = to stretch oneself

In English, we usually just say stretch, but Serbian often makes this explicit with se.

So Istegni se literally means something like Stretch yourself, though natural English would simply be Stretch.

In Serbian, se is normally written as a separate word because it is a clitic. Clitics are short unstressed words that have a fixed position in the sentence.

So you write:

• Istegni se

not:

• Istegnise

Even though in meaning it belongs closely with the verb, in spelling and sentence structure it stays separate.

Posle means after.

Yes, in some varieties of Serbian and closely related standards, you may also see poslije. The difference is mainly dialectal/standard variation:

• posle — common in Serbian, especially Ekavian
• poslije — common in ijekavian varieties

So posle zagrevanja means after the warm-up or after warming up.

Because posle requires the genitive case.

The base noun is:

• zagrevanje = warm-up / warming up

But after posle (after), it changes to the genitive:

• posle zagrevanja = after the warm-up

This is a very common pattern in Serbian:

• posle časa = after class
• posle ručka = after lunch
• posle treninga = after training

So zagrevanja is simply the correct case form after posle.

Zagrevanje is a verbal noun or action noun. It comes from the idea of warming up and functions as a noun meaning warm-up or warming up.

So instead of using a full clause like after you warm up, Serbian can say:

• posle zagrevanja = after warming up / after the warm-up

This is very natural in instructions, fitness language, and formal writing.

It is singular informal, used when speaking to one person with ti.

The imperative istegni matches the ti form.

Other possibilities would be:

• Istegnite se posle zagrevanja. = plural or formal singular
• Treba da se istegneš posle zagrevanja. = you should stretch after warming up

So the original sentence sounds like a direct instruction to one person, such as in coaching, exercise, or casual advice.

Yes, Serbian word order is fairly flexible, although some versions sound more natural than others.

The original:

• Istegni se posle zagrevanja.

is the most neutral and natural.

You could also say:

• Posle zagrevanja istegni se.

This puts more emphasis on after the warm-up.

Both are grammatical, but the original order is especially typical for simple instructions.

The most natural translation is usually Stretch after warming up.

More literally, it is Stretch yourself after the warm-up, because of se, but English normally does not say yourself here.

Depending on context, it could also be rendered as:

• Do some stretching after warming up
• Stretch after the warm-up

So the Serbian is compact, and the best English wording depends on how natural you want it to sound.

A rough pronunciation guide is:

• Istegni ≈ ee-STEG-nee
• se ≈ seh
• posle ≈ POS-leh
• zagrevanja ≈ zah-GREH-vahn-ya

A few helpful points:

• g is always a hard g, as in go
• j in Serbian sounds like English y
• nj is a single sound, similar to the ny in canyon

So zagrevanja ends with a sound like -vahn-ya, not -van-ja with a strong English j.

Yes. Nakon also means after, and nakon zagrevanja is perfectly correct.

Compare:

• posle zagrevanja — common, everyday, very natural
• nakon zagrevanja — also correct, sometimes a bit more formal or written

In workout instructions, both work, but posle zagrevanja sounds very ordinary and conversational.