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Funnel plot analysis: (A) five times sit-to-stand test (FTSS), (B) 30-s arm curl test (30AC), (C) chair-sit-to-stand-30S test (30CST), (D) Berg-balance scales test (BBS), (E) one-leg stand test, (F) time up-and-go test (TUG) and eight-foot up-and-go test (UPGO), (G) back scratch test (BS), and (H) sit-and-reach test (SRT).
