Hiya,
I'm hoping to apply for Physiotherapy next year (as a mature student) and from what universities have said to me, getting as much work experience in the different areas of Physiotherapy will help your application. So, say getting experience in care of the elderly, stroke units, private practises, MS care centres, rehabilitation etc. As much as you can really. Also, try and get involved in volunteer/community work. It will give you a strong background in caring for the community which will make your application stronger.
I volunteer with the Irish Cancer Society and have also done volunteering at a community centre. It could be volunteering once a month or every second weekend so it doesn't have to take up all your study time.
Also, it might be good to ring up the universities and ask to speak to the admission tutors so to make yourself known to them and get as much information about the application process as possible. (maybe wait a month though until the madness of September is over!!)
Larianne.