Die opwarmroetine help; geen wonder dat greepkrag verbeter nie.

Because Afrikaans normally writes noun compounds as one word.

• opwarmroetine = opwarm
  • roetine
• greepkrag = greep
  • krag

This is very common in Afrikaans, much more so than in English. English might write warm-up routine and grip strength, but Afrikaans usually joins them into one compound noun.

A useful rule: in these compounds, the last part is the main noun, and the earlier part modifies it.

Afrikaans verbs usually do not change form the way English verbs do.

So you get:

• ek help
• jy help
• hy help
• ons help
• hulle help

In English, we say he helps, but in Afrikaans it stays hy help. This is one reason Afrikaans verb conjugation is often easier for English speakers.

It is a fixed expression meaning no wonder.

So:

• Geen wonder ... nie = No wonder ...

Even though geen and nie are both negative-looking words, the whole expression is idiomatic and does not mean the opposite of the clause. It expresses that something is unsurprising or expected.

You can think of it as a set phrase, not as a literal word-for-word negative construction.

No. In this sentence, the final nie does not mean grip strength does not improve.

It is there because of the fixed expression geen wonder ... nie.

So:

• geen wonder dat greepkrag verbeter nie = no wonder grip strength improves

If you really wanted to say grip strength does not improve, you would negate the verb clause itself:

• dat greepkrag nie verbeter nie

That is different from the sentence you were given.

Afrikaans can use geen wonder ... nie by itself, without dit is.

So both of these are possible:

• Geen wonder dat greepkrag verbeter nie.
• Dit is geen wonder dat greepkrag verbeter nie.

The shorter version is perfectly natural. English does something similar: we can say both No wonder ... and It is no wonder that ...

dat means that and introduces the following clause.

So:

• geen wonder dat ... = no wonder that ...

In English, that is often omitted:

• No wonder grip strength improves

But in Afrikaans, using dat here is very normal and often clearer.

You may also hear it omitted in some contexts, but geen wonder dat ... nie is a very standard structure.

Yes, dat introduces a subordinate clause, but in this particular sentence the order does not look very different because the clause is simple:

• dat greepkrag verbeter

With only a subject and one verb, it looks straightforward. But in longer clauses, Afrikaans subordinate-clause word order becomes more noticeable.

For example:

• Geen wonder dat greepkrag kan verbeter nie.
• Geen wonder dat greepkrag verbeter het nie.

So a learner should recognize dat as a signal that a subordinate clause is starting, even if this sentence is a simple example.

The semicolon links two closely related statements:

• Die opwarmroetine help
• geen wonder dat greepkrag verbeter nie

The second part comments on the first: because the warm-up routine helps, it is not surprising that grip strength improves.

The semicolon gives a slightly more formal or polished written style. A full stop would also work:

• Die opwarmroetine help. Geen wonder dat greepkrag verbeter nie.

In less formal writing, some people might even use a comma, but the semicolon is a good choice here.

This is part of the idiom geen wonder ... nie.

On its own, geen usually means no or none:

• geen geld nie = no money
• geen tyd nie = no time

But with wonder, it forms the set phrase meaning no wonder. So this is a case where the literal negative word combines into a natural idiomatic expression, much like English no wonder.

Yes. It is natural, clear Afrikaans.

It sounds a little polished because of the semicolon, but the grammar and phrasing are normal. A slightly more conversational version could be:

• Die opwarmroetine help. Geen wonder dat greepkrag verbeter nie.

Or even:

• Die opwarmroetine help, so geen wonder dat greepkrag verbeter nie.

But the original sentence is perfectly good Afrikaans.