Knowledge Center

Frailty

Clinical center for educational observation of frailty and functional vulnerability signs.

Fatigue Weight loss Weakness Low activity

Updated on: Aug 17, 2026

2 assessments
Older adult walking outdoors with energy, accompanied by a family member
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Pre-frailty: what it means and how to act early

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Aug 13, 2026

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Overview

Vulnerability, functional loss, energy, strength and activity.

Clinical relevance

Frailty increases risk of dependency, falls, hospitalizations and loss of autonomy. Recognizing signs such as frequent fatigue, weight loss or lower activity helps decide when to seek professional assessment.

Signs and symptoms

  • Unintentional weight loss.
  • Frequent fatigue.
  • Reduced strength.
  • Lower daily activity.

Related conditions

Sarcopenia Malnutrition Fall risk Functional impairment
Assessments

Clinical assessments

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Available

Frailty

Observation of vulnerability and functional decline signs.

Purpose: Organize signs associated with frailty.

Interpretation: Accumulated signs indicate the need for professional assessment.

Start assessment
Available

SARC-F

Initial screening for sarcopenia.

Purpose: Identify sarcopenia risk.

Interpretation: A high score indicates risk and the need for assessment.

Start assessment

Guides

Available

Older adult functional screening guide

Functional screening guide that includes frailty screening.

Open resource
Articles

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Older adult doing a walking functional assessment with a healthcare professional in a safe setting
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Frailty in older adults: warning signs and when to seek assessment

Educational guide to frailty in older adults, vulnerability signs, weakness, slow gait, exhaustion, weight loss, fall risk and when to seek professional assessment.

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FAQ

It should not be treated as inevitable. Age increases risk, but signs deserve assessment because some factors may be modifiable.

Not necessarily. With appropriate interventions, many cases stabilize or even reverse.

In many cases, adequate nutrition, safe physical activity, medication review and social support can improve function or reduce risks.

Seek assessment for unintentional weight loss, frequent fatigue, reduced strength or lower daily activity.

References

  • Fried LP et al. Frailty in older adults: evidence for a phenotype. Journal of Gerontology: Medical Sciences, 2001.
  • World Health Organization. Integrated care for older people (ICOPE): guidance for person-centred assessment and pathways in primary care, 2nd ed.