Die opwarming, strekoefening en afkoeloefening is in die oefenprogram.

Because in Afrikaans, the verb is is used for both singular and plural in the present tense of to be.

So:

• Dit is reg. = It is correct.
• Hulle is hier. = They are here.

In this sentence, even though opwarming, strekoefening en afkoeloefening are three items, Afrikaans still uses is, not a different plural form.

Die is the definite article in Afrikaans, meaning the.

It appears in:

• Die opwarming ... = The warm-up ...
• in die oefenprogram = in the exercise program

Afrikaans uses die for all genders and for both singular and plural, so it is much simpler than English in that way.

In Afrikaans, when several nouns are listed together, the article is often placed only before the first noun if it clearly applies to the whole list.

So:

• Die opwarming, strekoefening en afkoeloefening ...

means that all three items are understood as part of the same definite set.

You could also repeat the article for emphasis or clarity:

• Die opwarming, die strekoefening en die afkoeloefening ...

But that often sounds heavier and less natural unless you really want to stress each item separately.

Yes. Afrikaans very often forms long compound nouns by joining words together.

Here is how they break down:

• opwarming = op

  • warming
    roughly warming up / warm-up

• strekoefening = strek

  • oefening
    literally stretch exercise

• afkoeloefening = afkoel

  • oefening
    literally cool-down exercise

• oefenprogram = oefen

  • program
    literally exercise program / training program

This is very normal in Afrikaans. English often writes these as two words or with a hyphen, but Afrikaans commonly writes them as one word.

Oefening means exercise or practice activity.

Oefenprogram means an exercise program, training plan, or workout program.

So in the sentence:

• strekoefening and afkoeloefening are individual exercises
• oefenprogram is the larger program that contains them

This is the normal basic word order for a main clause in Afrikaans:

• Subject
  • verb
    • rest of sentence

So here:

• Die opwarming, strekoefening en afkoeloefening = subject
• is = verb
• in die oefenprogram = prepositional phrase

Afrikaans is a verb-second language, but in a simple statement like this, where the subject comes first, it looks very straightforward.

In means in or inside. Here it means that these parts are included in the exercise program.

So in die oefenprogram means:

• physically in the program
• or more naturally, part of the program

This is a normal way to express inclusion.

Here it is a noun.

In Afrikaans, words ending in -ing are often nouns formed from verbs, similar to English words like warming, training, or cooling.

So:

• opwarm = to warm up
• opwarming = warm-up / warming up

In this sentence, it names an activity, so it functions as a noun.

Yes, depending on the meaning.

The sentence as written refers to these activities as items or sections within a program. But if you wanted to talk about multiple stretching exercises, for example, you could use plurals such as:

• strekoefeninge = stretching exercises

Afrikaans often forms the plural of oefening as oefeninge.

So the exact form depends on whether you mean:

• one warm-up, one stretch exercise, one cool-down exercise
• or several exercises of those types

Because Afrikaans does not capitalize common nouns.

Unlike German, Afrikaans only capitalizes:

• the first word of a sentence
• proper nouns, like names of people or places

So words like opwarming, strekoefening, and oefenprogram stay lowercase unless they begin the sentence.

You may also come across related expressions such as:

• afkoel-oefening in more explanatory or learner-friendly writing
• afkoeling in other contexts, meaning cooling

But in standard Afrikaans compound spelling, writing it as one word — afkoeloefening — is normal.

Afrikaans generally prefers solid compound forms rather than spaced-out ones.

Yes, very likely.

The structure suggests that the warm-up, stretching exercise, and cool-down exercise are being presented as parts of one larger routine or program.

So although there are three items, they are treated together as components of the exercise program. That is one reason the sentence feels natural as a single statement about the whole set.