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 […]

Motor unit remodelling in the aged human vastus lateralis

A progressive reduction in limb muscle mass is characteristic of advancing age, usually referred to as sarcopenia (Rosenberg, 1997). This loss of muscle mass and strength is likely to contribute to the general loss of mobility and risk of falling, a major concern for the elderly. These problems have been […]