Muscle weakness or sarcopenia? Call it what it is! 1

The term ‘sarcopenia’ comes from ‘sarco-’, the Greek word for ‘flesh’ (muscle), and ‘-penia’ which denotes ‘deficiency’.  The original definition reflected this as ‘the degenerative loss of skeletal muscle mass that accompanies ageing (0.5–1% loss per year after the age of 25)’ (Cruz-Jentoft et al., 2010).  However over time, the […]


Proprioception: The body’s representation of the hand

Proprioception, our ‘sixth sense’, underlies our innate ability to localise our body parts in space and to know the forces, angles and movements at our joints (Proske & Gandevia, 2012). This ‘sense’ allows us to interact with our environment. For example, reaching for a cup of water requires knowledge of the exact spatial […]