Key points
- Balance depends on several interacting abilities, not muscle strength alone.
- Ageing can affect these abilities differently in different people.
- New unsteadiness deserves attention rather than being dismissed as inevitable.
- Assessment should connect changes in balance with your everyday priorities.
Perhaps getting across the lawn now requires more concentration. Perhaps you pause before turning or prefer someone beside you in an unfamiliar place. You may wonder whether your legs simply need to become stronger. Sometimes strength is part of the answer. Sometimes it is only a small part of a more complicated picture.
Getting older changes the context in which we move, but age alone does not explain a person's balance difficulty. Health conditions, recent illness, activity, sensory information, attention and surroundings can all contribute. Understanding this helps make the next conversation more useful than “I am just getting old”.
Our cornerstone article, Balance Is More Than Strength, explains the overall Clinics GRP approach. Here, we look specifically at why familiar activities may become more demanding over time.
Several abilities work together
Imagine stepping from a footpath onto grass while looking towards a friend. You need to see the change in surface, sense where your feet are, control your body as your weight moves and choose where to step next. Your inner ears also provide information about head movement and orientation.
The nervous system brings these signals together with movement control. This is often called sensorimotor control. It is not a separate exercise or a single organ. A difficulty anywhere in this interaction can change the demands placed on the other contributors. 1
Sensory changes can make movement less certain
Vision helps identify edges, obstacles and the layout of a space. Changes in visual function or poor lighting can make a step harder to judge. Information from the feet and legs helps indicate contact, position and movement. Age-related changes in these sensory systems are variable; they do not happen at the same rate in everyone. 2
The vestibular system in the inner ears is another contributor. Some people develop particular vestibular conditions that need targeted assessment. Feeling unsteady, however, does not identify an inner-ear problem by itself. People use words such as dizzy, weak, faint and off balance differently, so describing the actual experience helps.
For example, “the room seems to spin when I roll over” gives different information from “I feel faint when I stand” or “I cannot judge the edge of the step”. These descriptions guide questions without making a diagnosis.
Strength, power and endurance are different
Strength is the ability to produce force. Power involves producing work quickly. Endurance helps sustain activity. You might have enough strength to rise once from a chair but find repeated transfers tiring. You might lift a weight in a controlled exercise but struggle with the speed required after an unexpected stumble.
Pain and limited joint movement can also affect the way you use your strength. This is why simply adding more resistance to an exercise may leave some practical difficulties unresolved. It is still important to address weakness when it is relevant. The aim is a plan that matches the limiting demands of the activity.
Attention becomes important when tasks compete
Walking can feel automatic on a familiar route. Looking for a house number, answering a question or navigating a busy entrance adds other demands. Cognitive function and attention are therefore relevant to falls assessment, alongside physical and sensory factors. 3
Difficulty in a complex situation does not, on its own, show that someone has dementia. Fatigue, distraction, unfamiliarity and anxiety may also affect performance. A clinician needs the broader history and appropriate examination. Meanwhile, allowing time to pause before a complicated task can be a reasonable practical choice.
A cautious strategy may be useful
Slowing down, taking smaller steps or waiting before changing direction may help a person manage an uncertain situation. You would probably walk differently across a wet entrance than across a dry living room, whatever your age.
The concern is not that caution exists. It is whether the strategy remains flexible and useful. Has a person begun to move cautiously everywhere? Are they catching their toes, losing balance or avoiding activities they value? Has the change appeared suddenly? Those details matter more than judging the appearance of their walking.
Research showing that perceived threat can alter walking helps explain why confidence belongs in the discussion. It does not establish fear as the cause of an individual's gait change. 4
Illness and inactivity can change the starting point
A period in hospital, infection, injury or reduced activity may make previously manageable tasks harder. Medicines, changes in blood pressure, foot problems and other health issues can also be relevant to falls assessment. 3
The useful comparison is often with your own recent function. When did the difficulty start? What else changed around that time? Did it improve, remain stable or worsen? Bring a current medicine list to the appropriate clinician, but do not stop or alter prescribed medicines on the basis of this article.
The environment can expose a difficulty
The same person may move well in a bright, uncluttered room and struggle on an uneven path at dusk. This does not make the difficulty less real. It shows why the setting belongs in the assessment.
Lighting, surface changes, footwear, rails, space and the support available can alter what a task requires. A useful plan may therefore include adapting the setting alongside rehabilitation. Better access to a valued activity is a meaningful outcome even when it involves equipment or assistance.
What to bring to a balance appointment
Choose two or three specific examples rather than trying to interpret the cause yourself. Describe where you were, what you were doing, what you felt and what you did to recover. Include near-falls, even if you did not hit the ground.
It can also help to explain the consequence: “I stopped going to the garden”, “I now wait for help with the shower” or “I avoid visiting because of the front steps”. These details connect the clinical conversation to participation, rather than leaving it at a test score.
What may help
Falls guidelines support exercise that addresses balance and functional movement, with individual assessment when indicated. Appropriate strengthening can be included. Other needs may involve medical review, vision care, footwear, environmental changes or targeted rehabilitation. 3, 5
Clinics GRP's Balance and Falls service can help clarify relevant contributors and agree a practical plan. Home physiotherapy may be useful when the important difficulty occurs at home. The Balance Program is an option when assessment supports a group format.
Through Ageing in Full, the purpose is to preserve or expand meaningful options. Progress might involve feeling more prepared for a familiar walk, using an appropriate aid effectively or returning to a social activity with support. No single exercise or programme can promise to prevent every fall.
When a change needs prompt attention
Arrange assessment for new or worsening unsteadiness, repeated near-falls or an unexplained change in walking. Sudden severe imbalance or new neurological symptoms needs urgent medical assessment. Call 000 for suspected stroke or another emergency; do not wait for a routine exercise appointment. 6
References
- Peterka RJ. Sensory integration for human balance control. Handbook of Clinical Neurology. 2018;159:27-42. PubMed.
- Shaffer SW, Harrison AL. Aging of the somatosensory system: a translational perspective. Physical Therapy. 2007. PubMed.
- Montero-Odasso M, et al. World guidelines for falls prevention and management for older adults. Age and Ageing. 2022;51:afac205. Guideline.
- Concern about falls elicits changes in gait parameters in conditions of postural threat in older people. Research article.
- Sherrington C, et al. Exercise for preventing falls in older people living in the community. Cochrane. 2019. Review.
- Healthdirect Australia. Stroke. Symptoms and urgent action.