{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T11:25:37Z","timestamp":1790335537172,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2014,4,16]],"date-time":"2014-04-16T00:00:00Z","timestamp":1397606400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J cachexia sarcopenia muscle"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Several studies conducted in a laboratory\u2010related environment have shown that exercise is associated with increased muscle quality in older adults. The aim of the present study was to investigate whether recreational exercise may also be associated with muscle quality in men and women aged 50\u00a0years and over.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data are from 312 individuals (215 women) aged 50\u00a0years and older. Body composition (dual\u2010energy X\u2010ray absorptiometry) and knee extension strength (KES) of the right leg (one repetition maximum) were assessed. Muscle quality (MQ) (KES\/right lower limb lean mass) was calculated. Recreational exercises (duration and weekly amount) were determined by structured interview.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The duration of the period during which participants practiced resistance activities was the only predictor of MQ (<jats:italic>p<\/jats:italic>\u2009=\u20090.018) and explained an additional 1.6\u00a0% of the variance in MQ, after controlling for age and gender. Furthermore, the weekly amount of practice of aerobic activities significantly interacted with age (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) to determine MQ.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Findings suggest that long\u2010term engagement in resistance exercise is beneficial for muscle quality and should be encouraged. Furthermore, beyond 60\u00a0years, aerobic activities also seem to be positively associated with muscle quality.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s13539-014-0143-0","type":"journal-article","created":{"date-parts":[[2014,4,15]],"date-time":"2014-04-15T13:36:15Z","timestamp":1397568975000},"page":"221-228","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Identifying recreational physical activities associated with muscle quality in men and women aged 50\u00a0years and over"],"prefix":"10.1002","volume":"5","author":[{"given":"S\u00e9bastien","family":"Barbat-Artigas","sequence":"first","affiliation":[{"name":"D\u00e9partement de Biologie Universit\u00e9 du Qu\u00e9bec \u00c0 Montr\u00e9al  Montr\u00e9al"},{"name":"Groupe de Recherche en Activit\u00e9 Physique Adapt\u00e9e Universit\u00e9 du Qu\u00e9bec \u00c0 Montr\u00e9al  Montr\u00e9al"},{"name":"Centre de Recherche Institut Universitaire de G\u00e9riatrie 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