In general, you will need to simplify your wording. Long, complex sentences are difficult for viewers to absorb and may cause them to move on to the next poster. Poster verbiage must be concise, precise, and straightforward. And it must avoid jargon.
Here is an example:
Wording in a paper:
This project sought to establish the ideal specifications for clinically useful wheelchair pressure mapping systems, and to use these specifications to influence the design of an innovative wheelchair pressure mapping system.
Wording on a poster:
Aims of study