Need help getting data from BioPac

We want to get live feedback from BioPac to show a live animation with the current level of force being performed in a BioPac handgrip but are currently experiencing some trouble with the timings when we se the software Acqknowledge they provide once we read the data inside Matlab. Has anyone experience regarding this or any recommendation about what is the best way to extract the live signal from the BioPac inside Matlab?