Next, use your research question to brainstorm keywords to search for sources. Pick out the keywords from your question, and brainstorm synonyms, related ideas, etc.
Possible search terms from the example research question above:
diabetic, diabetes, diabetics,
neuropathy, peripheral neuropathy, neuropathies
interventions, physical therapy, PT
feet, toes, hands, fingers, extremities, limbs
pain, reduce pain, walking, gait, balance
This is a critical step in research. Brainstorm your terms. Write them down. Add to the list as you go. Mix and match terms. Perform several searches.
This form will help you to format your question using the PICO process and brainstorm search terms related to your question.