“…[526][527][528][529]534 Eighteen interventions were specifically exercise based, 488,494,497,502,503,509,[511][512][513][514][515]519,520,[523][524][525] nine were education based, 52,489,495,500,501,526,527,529 while nine were multifactorial with exercise and education components and, in some cases, an occupational therapy base. 487,493,496,504,507,510,517,521,528 Effect on pre-surgical physical function Physical function before surgery was measured after 21 interventions using WOMAC (physical function or total), SF-36 physical function, HHS, HOOS, HSS, Arthritis Impact Measure Score 2 (AIMS2), AKSS or locally devised scores. 512 USA; date not specified; A and C Knee; osteoarthritis; n = 32 (17 : 15); age and sex not described Exercise; home and physical therapy clinic; partially supervised resistance and flexibility exercises and step training, training booklet; twice a week at home and once a week at physical therapy clinic for 50 minutes from 8 weeks before surgery; usual pre-operative care Exercise (functional); outpatient and home; twice per week for 3-6 weeks and home four times per week; one physical therapist-led group session 3 weeks before surgery 2-4 days before admission and up to 6 we...…”