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Questions & Answers about Sjúkraþjálfunin lagar bakið.
How does the word sjúkraþjálfunin break down?
It is a compound word. Sjúkra- relates to sickness or medical care (like in sjúkrahús, meaning hospital), and þjálfun means training. Together, they mean physical therapy. The -in at the end makes it definite, meaning "the physical therapy".
The translation says "fixes the back". How would I say "fixes my back"?
You could say lagar bakið mitt, but you usually do not need to! In Icelandic, it is very common to just use the definite article on body parts (like bakið for "the back") instead of a possessive word like "my" or "your", as long as context makes it obvious whose body part it is.
I have seen gera við used for "to fix". Why is lagar used here instead?
Að gera við is usually for repairing broken mechanical objects, like a car or a bicycle. Að laga means to fix, correct, or make something better. Because you are improving or healing a body part rather than doing mechanical repairs, lagar is the natural choice.
What case is bakið in here?
It is in the accusative case because it is the direct object receiving the action of the verb lagar. However, because bak is a neuter noun, its nominative and accusative forms look exactly the same, including the definite article -ið.