Questions & Answers about Лікар оглянув лікоть.
- лікар = doctor
- оглянув = examined / inspected
- лікоть = elbow
So the sentence means The doctor examined the elbow.
Because this is the past tense masculine singular form of the verb.
The infinitive is оглянути = to examine / to inspect.
In the past tense, Ukrainian verbs agree with the subject in gender and number:
- оглянув = he examined
- оглянула = she examined
- оглянуло = it examined
- оглянули = they examined
Since лікар is grammatically masculine singular, the verb is оглянув.