Balance Impairment and Falls Risk in People With Lower Limb Arthritis, and Can These be Improved With Exercise?

Inclusion Criteria: * Lower limb osteoarthritis or lower limb rheumatoid arthritis Exclusion Criteria: Participants were excluded if they: * Did not have lower limb arthritis, * Were bed bound, * Had additional co-morbidities that confer risk of falls (such as Parkinson's disease, stroke, multiple sclerosis, history of cardiac syncope, epilepsy), * Had undergone lower limb surgery within the previous twelve months, and/or * Had synvisc or a corticosteroid injection within the last six months.