{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:15:24Z","timestamp":1762866924429},"reference-count":18,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,4]]},"abstract":"<jats:sec sec-type=\"objective\"><jats:title>Objective:<\/jats:title><jats:p>Community-based exercise programs are popular for achieving physical activity among older adults, but the amount of physical activity obtained through such programs is unknown. This study quantified the bone-loading forces and levels of cardiovascular activity associated with participation in \u201cBetter Bones and Balance\u201d (BBB), a community-based fall- and fracture-prevention program for older adults.<\/jats:p><\/jats:sec><jats:sec sec-type=\"methods\"><jats:title>Methods:<\/jats:title><jats:p>Thirty-six postmenopausal women age 73.2 \u00b1 7.6 yr engages in BBB participated in this study. Ground-reaction forces (GRFs) associated with BBB exercises were evaluated using a force platform. Session and weekly totals of minutes of moderate to vigorous physical activity (MVPA) and total time spent above 55% maximum heart rate (HR) were measured using accelerometers and HR monitors, respectively.<\/jats:p><\/jats:sec><jats:sec sec-type=\"results\"><jats:title>Results:<\/jats:title><jats:p>BBB exercises produced mean 1-leg GRFs of 1.4\u20132.2 units body weight. Weekly BBB participation was associated with 126 \u00b1 31 min of MVPA.<\/jats:p><\/jats:sec><jats:sec sec-type=\"conclusion\"><jats:title>Conclusion:<\/jats:title><jats:p>Activity obtained by BBB participation meets recommended guidelines for skeletal and cardiovascular health.<\/jats:p><\/jats:sec>","DOI":"10.1123\/japa.21.2.155","type":"journal-article","created":{"date-parts":[[2016,8,10]],"date-time":"2016-08-10T13:14:26Z","timestamp":1470834866000},"page":"155-166","source":"Crossref","is-referenced-by-count":9,"title":["Meeting Physical Activity Guidelines Through Community-Based Group Exercise: \u201cBetter Bones and Balance\u201d"],"prefix":"10.1123","volume":"21","author":[{"given":"Adrienne J.","family":"McNamara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael J.","family":"Pavol","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katherine 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