Fugl-Meyer Assessment of sensorimotor function

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Fugl-Meyer Assessment (FMA) scale is an index to assess the sensorimotor impairment in individuals who have had stroke. [1] This scale was first proposed by Axel Fugl-Meyer and his colleagues as a standardized assessment test for post-stroke recovery in their paper titled The post-stroke hemiplegic patient: A method for evaluation of physical performance . It is now widely used for clinical assessment of motor function. [2] [3] The Fugl-Meyer Assessment score has been tested several times, and is found to have excellent consistency, responsivity and good accuracy. [4] [5] The maximum possible score in Fugl-Meyer scale is 226, which corresponds to full sensory-motor recovery. [4] The minimal clinically important difference of Fugl-Meyer assessment scale is 6 for lower limb in chronic stroke [6] and 9-10 for upper limb in sub-acute stroke. [7]

Contents

Development

In 1975, Axel Fugl-Meyer noted that it is difficult to quantify the efficacy of different rehabilitation strategies because of the lack of a numerical scoring system. He and his colleagues developed an assessment scale to overcome this problem. The construction of this scale was based on the then existing knowledge about recovery patterns in stroke. Fugl-Meyer was particularly influenced by the 1951 paper authored by Thomas Twitchell, titled The Restoration of Motor Functioning Following Hemiplegia in Man [8] and observations on post-stroke patients by Signe Brunnstrom. [9] In the motor scale of Fugl-Meyer assessment, items were generated based on the ontology and stages of stroke recovery described by Twitchell and Brunnstrom respectively. [4] [10] When knowledge regarding Stroke recovery increased significantly in the late 20th century and early 21st century, Twitchell and Brunnstrom models were not sufficient to explain the motor recovery following stroke. However, Fugl-Meyer test still holds good, possibly because it follows a hierarchical scoring system based on the level of difficulty in performing the tasks. [11]

Scoring

The Fugl-Meyer Assessment scale is an ordinal scale that has 3 points for each item. A zero score is given for the item if the subject cannot do the task. A score of 1 is given when the task is performed partially and a score of 2 is given when the task is performed fully. However, reflex activity is measured using 2 points only, with a score of 0 or 2 for absence and presence of reflex respectively. The five domains assessed by Fugl-Meyer scale are:

The maximum total score that can be obtained in Fugl Meyer assessment is 226, though it is common practice to assess all domains separately. [13] The test can be completed in around 40 minutes. [2] To perform the test, the examiner needs a tennis ball, a small spherical shaped container and knee hammer.

Limitations

The Fugl-Meyer scale has only three levels of assessment for each item. Therefore, a majority of patients get an intermediate score in most items, and remain so for a long time. [14] The test is also reported to have ceiling effect in the sensation domain and floor effect in the balance domain. [15] Some researchers report that Fugl Meyer assessment is time consuming. [11]

Related Research Articles

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References

  1. ↑ Fugl-Meyer, Axel (1975). "The post-stroke hemiplegic patient. 1. a method for evaluation of physical performance". Scandinavian Journal of Rehabilitation Medicine. 7 (1): 13–31. doi: 10.2340/1650197771331 . PMID   1135616.
  2. 1 2 "Stroke Assessment Scales Overview". The Internet Stroke Center. Retrieved 6 October 2016.
  3. ↑ Page, Stephen; Fulk, George (2012). "Clinically Important Differences for the Upper-Extremity Fugl-Meyer Scale in People With Minimal to Moderate Impairment Due to Chronic Stroke". Physical Therapy. 92 (6): 791–798. doi: 10.2522/ptj.20110009 . PMID   22282773.
  4. 1 2 3 4 Sanford, Julie; Moreland, Julie (1993). "Reliability of the Fugl-Meyer Assessment for Testing Motor Performance in Patients Following Stroke" (PDF). Rehabilitation Measures Database. 73 (7): 447–54. doi:10.1093/ptj/73.7.447. PMID   8316578.
  5. ↑ van der Lee (March 2001). "The responsiveness of the Action Research Arm test and the Fugl-Meyer Assessment scale in chronic stroke patients". Journal of Rehabilitation Medicine. 33 (3): 110–3. doi: 10.1080/165019701750165916 . PMID   11482350.
  6. ↑ KN, Arya (October 2011). "Estimating the minimal clinically important difference of an upper extremity recovery measure in subacute stroke patients". Topics in Stroke Rehabilitation. 18: 599–610. doi:10.1310/tsr18s01-599. PMID   22120029. S2CID   25782966.
  7. ↑ Pandiyan, S; KN, Arya (2016). "Minimal clinically important difference of the lower-extremity fugl-meyer assessment in chronic-stroke". Topics in Stroke Rehabilitation. 23 (4): 233–9. doi:10.1179/1945511915Y.0000000003. PMID   27086865. S2CID   206854192.
  8. ↑ Twitchell, Thomas (December 1951). "The Restoration of Motor Functioning Following Hemiplegia in Man". Brain. 74 (4): 443–480. doi:10.1093/brain/74.4.443. PMID   14895765.
  9. ↑ Brunnstrom, Signe (1970). Movement Therapy in Hemiplegia: A neurophysiological approach . Harper and Row. ISBN   978-0-06-140547-1 . Retrieved 6 October 2016. Movement Therapy in Hemiplegia Brunnstrom.
  10. ↑ Gladstone, David; Danells, Cynthia (2002). "The Fugl-Meyer Assessment of Motor Recovery after Stroke: A Critical Review of Its Measurement Properties". Neurorehabilitation and Neural Repair. 16 (3): 232–240. doi:10.1177/154596802401105171. PMID   12234086. S2CID   5759799.
  11. 1 2 Crow, JL (2014). "Are the hierarchical properties of the Fugl-Meyer assessment scale the same in acute stroke and chronic stroke?". Physical Therapy. 94 (7): 977–86. doi: 10.2522/ptj.20130170 . PMID   24677254.
  12. ↑ "Fugl Meyer Assessment - UE" (PDF). University of Gothenburg. Retrieved 6 October 2016.
  13. ↑ "Rehab Measures: Fugl-Meyer Assessment of Motor Recovery after Stroke". Rehab Measures. Archived from the original on 24 September 2016. Retrieved 6 October 2016.
  14. ↑ Barnes, Michael (2005-03-10). Recovery after stroke. Cambridge University Press. p. 325. ISBN   978-0-521-82236-7 . Retrieved 6 October 2016.
  15. ↑ Mao, Hui-Fen (2002). "Analysis and Comparison of the Psychometric Properties of Three Balance Measures for Stroke Patients". Stroke. 33 (4): 1022–1027. doi: 10.1161/01.str.0000012516.63191.c5 . PMID   11935055.
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