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Percentage of articles discussing ROM exercise and goals based on post-operative timeframe (weeks). A) Each article allowing immediate ROM exercise to ≤ 90˚ (n = 13) was progressed beyond this restriction between two and 10 weeks post-operatively. B) Articles initially delaying knee ROM (n = 15) allowed the onset of ROM exercise between one and six weeks. C) Articles recommending a ROM goal of ≥ 120˚ (n = 13) ranged from six to 12 weeks post-operatively.
