Answer:
Yes, you are liable
Step-by-step explanation:
Under the ADA provisions you are liable seeing that this job advertisement is discriminatory to people with physical limitations.
This is based on the specifications that was used in the job advert. It stated that applicant must be able bodies, which is in violation in the ADA provision that discrimination must not be made on job applicants simply based on physical disability. Jennifer is already likely to face rejection, given her physical limitation.
A discriminatory lawsuit can be filed here.