“…outlines the measurement and characteristics of PA/SB and frailty. PA/SB measures included light physical activity (LPA)[44,42,49,45,37,62,46,50,52], moderate-to-vigorous physical activity (MVPA)[36,44,53,50,52,49,45,37,56,62,46], step count[49,45,47,48,62,46,50,54,51,55,56], accelerometer activity counts[40,48,62], total physical activity (TPA)[48], postural transitions (TRS)[63], energy expenditure (EE)[39,62,56], sedentary behaviour (SB)[36,44,43,38,45,37,62,46,52,…”