{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T18:48:33Z","timestamp":1773773313961,"version":"3.50.1"},"reference-count":66,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,4,1]]},"abstract":"<jats:p>\n                    <jats:italic>\n                      <jats:bold>Background<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    This study examined the relationship between two abilities in terms of age-related changes, namely, the dynamic balance ability and the force-generating capacity of the three lower limb joints.\n                    <jats:italic>\n                      <jats:bold>Methods<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    A group of 149 middle-aged to older adults (38 men and 111 women aged 74.1\u2009\u00b1\u200911.6\u00a0years) had their dynamic balance ability and the force-generating capacity of their three lower limb joints measured in the stepping test and the chair sit-to-stand test, respectively. The number of steps, the double-leg support time, and the single-leg support time were evaluated to show dynamic balance ability in the step test. The peak reaction force per body weight (F\/w) and rate of force development were evaluated for the force-generating capacity of the three lower limb joints.\n                    <jats:italic>\n                      <jats:bold>Results<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    The results showed that none of the parameters of dynamic balance ability in the stepping test had any age-related changes, but F\/w and rate of force development showed age-related changes, decreasing with age.\n                    <jats:italic>\n                      <jats:bold>Conclusion<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    No association was seen between dynamic balance ability in the stepping test and the force-generating capacity of three lower limb joints.\n                    <jats:italic>\n                      <jats:bold>Significance<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Age-related changes in dynamic balance do not correspond to changes in muscle strength, suggesting that evaluating dynamic balance ability solely through the stepping test at a self-selected speed may be challenging.\n                  <\/jats:p>","DOI":"10.1123\/japa.2024-0238","type":"journal-article","created":{"date-parts":[[2025,9,4]],"date-time":"2025-09-04T17:58:53Z","timestamp":1757008733000},"page":"215-220","source":"Crossref","is-referenced-by-count":0,"title":["Age-Related Changes in Dynamic Balance Ability in the Stepping Test and Force-Generating Capacity of the Lower Limb Muscles"],"prefix":"10.1123","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6175-8603","authenticated-orcid":true,"given":"Yusuke","family":"Oyama","sequence":"first","affiliation":[{"name":"Faculty of Sports Science, Toin University of Yokohama, Yokohama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chisa","family":"Watanabe","sequence":"additional","affiliation":[{"name":"Graduate School of Sport Sciences, Toin University of Yokohama, Yokohama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1855-0209","authenticated-orcid":true,"given":"Keiji","family":"Koyama","sequence":"additional","affiliation":[{"name":"Faculty of Sports Science, Toin University of Yokohama, Yokohama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"issue":"5","key":"r1","series-title":"Muscle Nerve,","doi-asserted-by":"publisher","first-page":"423","DOI":"10.1002\/mus.880110503","article-title":"Methods for estimating numbers of motor units in biceps-brachialis muscles and losses of motor units with aging","volume":"11","author":"Brown, W.F.","year":"1988","unstructured":"Brown, W.F., Strong, M.J., & Snow, R. 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