Sarcopenia
Age-related loss of muscle mass and strength. Not inevitable, and the single biggest lever on independence in later life.
Important: This page is general information, not medical advice, and it is not a diagnosis. If you are worried about your health or someone else's, speak to a GP, pharmacist, or call 111. In an emergency, call 999.
What it is
Muscle mass declines from around the age of 30, and the rate accelerates after 60. Sarcopenia is when that loss becomes clinically significant: reduced strength, reduced function, and a body that can no longer do what it used to.
It is the mechanism behind a great deal of what gets attributed vaguely to ageing: getting out of a chair, climbing stairs, carrying shopping, recovering from illness.
The reason it deserves an entry is that it is one of the few things on this list that responds to a simple, cheap intervention with a large effect. Resistance exercise builds muscle at any age, including in people in their nineties.
Signs you might notice
Difficulty rising from a chair without using the arms.
Slow walking speed. Difficulty climbing stairs or carrying shopping.
Weakening grip: jars, taps, door handles.
Weight loss, or weight staying the same while muscle is replaced by fat.
Increasing falls and fear of falling.
How it can affect day-to-day life
Hospital is where sarcopenia accelerates fastest. Bed rest in an older person causes rapid muscle loss, and ten days can undo years of function. This is why getting people up and dressed in hospital is a clinical intervention, not a courtesy.
Sarcopenia and malnutrition reinforce each other, and both drive frailty.
The consequence that matters is independence. Muscle is what stands somebody up off a toilet, and losing that is what moves people into residential care.
Supporting someone well
Resistance exercise, twice a week, at any age. Sit-to-stands, wall press-ups, resistance bands, carrying shopping. This is the intervention, and it is free.
Get enough protein, spread across the day rather than all at dinner. Older adults need more per kilo than younger ones, not less.
Check vitamin D.
Get people up and dressed daily, and in hospital, ask for it specifically.
Treat any period of illness or immobility as a reason to plan rebuilding, not just recovery.
Never accept "it's just their age" as the explanation for a decline nobody has assessed.
Fiducia Together records weights, mobility and observations together, which is what shows a gradual functional decline that no single shift would notice.
Where to get help
Ask a GP for a strength and balance referral, or the local falls service.
Age UK run strength and balance classes in many areas.
The British Geriatrics Society material on frailty covers this well.
Tools we make that might help
These are our own products. We have put them here because they do something specific for this condition, not because every page needs a list.
Fiducia Together
Weights, mobility and observations recorded together, so a gradual decline becomes visible.
Where to read more
Last reviewed 2026-08-28 by Fiducia Together · Next review due 2027-08-28
Important: This page is general information, not medical advice, and it is not a diagnosis. If you are worried about your health or someone else's, speak to a GP, pharmacist, or call 111. In an emergency, call 999.
Fiducia Together