“…Recent studies have looked at the frequency and circumstances of falls (Hiscock et al, 2014), and have analysed the abnormal gait patterns in patients with IBM (Bernhardt et al, 2011, Davenport et al, 2015 finding that there is a good correlation between knee extensor strength and functional lower limb measures such as the 2-minute and 6-minute walk tests (Lowes et al, 2012, Alfano et al, 2014. A smaller group of patients present initially because of weakness of the long finger flexor muscles, which is usually more severe in the non-dominant hand, or bulbar weakness, with lower limb weakness occurring at a later stage.…”