What is SARC-F?

SARC-F is a short, five-item questionnaire¹ designed to screen for risk of sarcopenia based on functional difficulty.

The questions focus on:

1. Strength, 2. Assistance with walking, 3. Rising from a chair, 4. Climbing stairs, 5. Falls

Each item is scored from 0-2, giving a total score range of 0-10. A score of ≥4 is associated with an increased risk of sarcopenia and adverse health outcomes.

A key advantage of SARC-F is its simplicity. It takes only a few minutes to complete, can be self-reported or clinician-administered, and requires no equipment, specialist training, or physical performance testing. This makes it particularly well suited to busy clinical environments, community settings, outpatient clinics, and situations where access to body composition or strength measurement tools is limited.

While SARC-F does not diagnose sarcopenia, it plays an important role as a case-finding tool. Evidence consistently shows that SARC-F has high specificity but lower sensitivity². In practice, this means:

- A higher score (≥4) helps identify individuals who are more likely to have clinically relevant sarcopenia and who may benefit from further assessment ⁽ ²^,³⁾

- A lower score does not necessarily rule out sarcopenia, particularly where clinical suspicion remains.

Used appropriately, SARC-F provides a quick and pragmatic way to flag individuals who may require further evaluation, supporting clinical judgement rather than replacing it.

Access to the SARC‑F questionnaire, a simple screening tool for identifying risk of sarcopenia, hosted by the CGA (Comprehensive Geriatric Assessment) Toolkit; SARC-F Questionnaire - CGA Toolkit Plus

European guidance describes the use of SARC‑F as an initial screening step for sarcopenia. The European Working Group on Sarcopenia in Older People (EWGSOP2)³ states that SARC‑F may be used for case finding, followed, where indicated, by objective measures of muscle strength (such as handgrip strength or chair stand tests) to confirm probable sarcopenia.

Access the full article on the Oxford Academic website: Sarcopenia: revised European consensus on definition and diagnosis | Age and Ageing | Oxford Academic

SARC-F can also be integrated into wider nutrition and frailty assessment pathways. For example, the Malnutrition Pathway illustrates how SARC-F can be used alongside the Malnutrition Universal Screening Tool (MUST) to provide a more holistic view of nutritional and functional risk in older adults. An independent educational guide on identifying and managing frailty, sarcopenia and malnutrition, has been produced by The Malnutrition Pathway 'A Guide to Managing Frailty, Sarcopenia & Malnutrition' access here: https://www.malnutritionpathway.co.uk/library/frailty_tool.pdf

Are you already using SARC-F within your clinical pathways? Sharing real-world experience helps inform best practice and supports ongoing professional education. If you would like to share how SARC-F has been implemented in your setting, contact us at; scientific.affairsUK@fresenius-kabi.com

1. Malmstrom TK, Morley JE. SARC-F: a simple questionnaire to rapidly diagnose sarcopenia. J Am Med Dir Assoc. 2013 Aug;14(8):531-2. doi: 10.1016/j.jamda.2013.05.018. Epub 2013 Jun 25. PMID: 23810110

2. Bauer J, Morley JE, Schols A, et al. Sarcopenia: A Time for Action. An SCWD Position Paper, Journal of Cachexia, Sarcopenia and Muscle, 10: 956–961. 10.1002/jcsm.12483

3. Cruz-Jentoft AJ, Bahat G, Bauer J, et al. Writing Group for the European Working Group on Sarcopenia in Older People 2 (EWGSOP2), and the Extended Group for EWGSOP2. Sarcopenia: revised European consensus on definition and diagnosis. Age Ageing. 2019 Jan 1;48(1):16-31. doi: 10.1093/ageing/afy169

For healthcare professionals only.

GB-NP-2600045 May 2026