{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T07:12:15Z","timestamp":1788419535811,"version":"build-2803163510"},"reference-count":15,"publisher":"University of Toronto Press Inc. (UTPress)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Physiotherapy Canada"],"published-print":{"date-parts":[[2026,8,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>\n                      <jats:italic toggle=\"yes\">Purpose:<\/jats:italic>\n                    <\/jats:bold>\n                    This cross-sectional descriptive study sought to determine the influence of ankle power on balance performance.\n                    <jats:bold>\n                      <jats:italic toggle=\"yes\">Method:<\/jats:italic>\n                    <\/jats:bold>\n                    Twenty healthy older adults (\u2265 70 years; 11 men, 9 women; mean age of 76.6 [SD 5.5] years) with no prior debilitating injuries, neurological disorders, or respiratory diseases participated. Ambulatory balance was assessed using the Community Balance and Mobility Scale (CB&amp;M, out of 96) \u2013 a performance-based functional outcome measure. Average power about the ankle joint was measured during unilateral isotonic ankle plantarflexion and dorsiflexion contractions. The Gait Real-Time Analysis Interactive Lab (GRAIL) system was used for perturbation tests, which included posteriorly directed movements of treadmill belts (300\u00a0ms duration, causing an anterior displacement of the participant\u2019s centre of mass) performed unilaterally (left belt) or bilaterally (both belts). The relationship between the average power measured at the ankle joint and balance performance was assessed.\n                    <jats:bold>\n                      <jats:italic toggle=\"yes\">Results:<\/jats:italic>\n                    <\/jats:bold>\n                    Older adults demonstrated a significant positive correlation between ankle plantarflexor power and CB&amp;M score (\u03c1\u00a0=\u00a00.464;\n                    <jats:italic toggle=\"yes\">p<\/jats:italic>\n                    \u00a0=\u00a00.04) and between ankle plantarflexor power and unilateral perturbation intensity (\u03c1\u00a0=\u00a00.486;\n                    <jats:italic toggle=\"yes\">p<\/jats:italic>\n                    \u00a0=\u00a00.03).\n                    <jats:bold>\n                      <jats:italic toggle=\"yes\">Conclusion:<\/jats:italic>\n                    <\/jats:bold>\n                    Maintaining ankle plantarflexion power during the aging process may be critical in maintenance of functional performance in older adults.\n                  <\/jats:p>","DOI":"10.3138\/ptc-2024-0093","type":"journal-article","created":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T04:32:02Z","timestamp":1778905922000},"page":"349-353","source":"Crossref","is-referenced-by-count":0,"title":["Ankle Muscle Power and Balance Performance in Older Adults"],"prefix":"10.3138","volume":"78","author":[{"given":"Dominique","family":"Arsenault","sequence":"first","affiliation":[{"name":"From the: Graduate Program in Health and Rehabilitation Science;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tanya D.","family":"Ivanova","sequence":"additional","affiliation":[{"name":"School of Physical Therapy, Faculty of Health Sciences;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. Jayne","family":"Garland","sequence":"additional","affiliation":[{"name":"School of Physical Therapy, Faculty of Health Sciences;"},{"name":"Department of Physiology and Pharmacology, Schulich School of Medicine &amp; Dentistry, Western University, London, Ontario, Canada."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1696","reference":[{"issue":"1","key":"e_1_3_7_2_2","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1186\/s12877-016-0223-4","article-title":"Unexpected perturbations training improves balance control and voluntary stepping times in older adults: a double blind randomized control trial","volume":"16","author":"Kurz I","year":"2016","unstructured":"Kurz I, Gimmon Y, Shapiro A, . Unexpected perturbations training improves balance control and voluntary stepping times in older adults: a double blind randomized control trial. BMC Geriatr. 2016;16(1):58. https:\/\/doi.org\/10.1186\/s12877-016-0223-4. 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Muscle plasticity of aged subjects in response to electrical stimulation training and inversion and\/or limitation of the sarcopenic process. Ageing Res Rev. 2018;46:1\u201313. https:\/\/doi.org\/10.1016\/j.arr.2018.05.002. PMID: 29742451","journal-title":"Ageing Res Rev"},{"issue":"8","key":"e_1_3_7_5_2","doi-asserted-by":"crossref","first-page":"M728","DOI":"10.1093\/gerona\/58.8.M728","article-title":"A comparison of leg power and leg strength within the InCHIANTI study: which influences mobility more?","volume":"58","author":"Bean JF","year":"2003","unstructured":"Bean JF, Leveille SG, Kiely DK, . A comparison of leg power and leg strength within the InCHIANTI study: which influences mobility more? J Gerontol A Biol Sci Med Sci. 2003;58(8):M728\u201333. https:\/\/doi.org\/10.1093\/gerona\/58.8.M728. 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Lower-limb factors associated with balance and falls in older adults: a systematic review and clinical synthesis. J Am Podiatr Med Assoc. 2020;110(5):4. https:\/\/doi.org\/10.7547\/19-143. PMID: 31743051","journal-title":"J Am Podiatr Med Assoc"},{"issue":"9","key":"e_1_3_7_8_2","doi-asserted-by":"crossref","first-page":"1161","DOI":"10.1046\/j.1532-5415.2001.49232.x","article-title":"Muscle power of the ankle flexors predicts functional performance in community-dwelling older women","volume":"49","author":"Suzuki T","year":"2001","unstructured":"Suzuki T, Bean JF, Fielding RA. Muscle power of the ankle flexors predicts functional performance in community-dwelling older women. J Am Geriatr Soc. 2001;49(9):1161\u20137. https:\/\/doi.org\/10.1046\/j.1532-5415.2001.49232.x. 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