{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T20:42:42Z","timestamp":1791837762959,"version":"4.3.4"},"reference-count":60,"publisher":"National Athletic Trainers' Association","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n        <jats:sec>\n          <jats:title>Context:<\/jats:title>\n          <jats:p>Underconditioned patellar stabilizing muscles could be a predisposing factor for patellar instability.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Objective:<\/jats:title>\n          <jats:p>To examine the effect of 2 modes of weight training on the size of the vastus medialis obliquus (VMO), the resting position and passive mobility of the patella, and the strength of the knee extensor muscles.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Design:<\/jats:title>\n          <jats:p>Prospective intervention, repeated measures in 3 groups.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Setting:<\/jats:title>\n          <jats:p>Orthopaedic and sports sciences research laboratory.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Patients or Other Participants:<\/jats:title>\n          <jats:p>48 healthy adults free from back and lower extremity injuries.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Intervention(s):<\/jats:title>\n          <jats:p>Participants were randomly assigned to muscle hypertrophy training, muscle strength training, or the control group. Those in the training groups pursued training 3 times per week for 8 weeks.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Main Outcome Measure(s):<\/jats:title>\n          <jats:p>Magnetic resonance imaging and ultrasound cross-sectional area of the VMO, patellar tilt angle on magnetic resonance imaging, instrumented passive patellar mobility, and isometric knee extension torque of the dominant leg.<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Results:<\/jats:title>\n          <jats:p>Participants in both training groups had comparable gains in VMO size, passive patellar stability, and knee extension force, all of which were greater than for the control group (<jats:italic>P<\/jats:italic> &lt; .05).<\/jats:p>\n        <\/jats:sec>\n        <jats:sec>\n          <jats:title>Conclusions:<\/jats:title>\n          <jats:p>Both short-term muscle hypertrophy and strength training programs can reinforce the patellar stabilizers in previously untrained volunteers.<\/jats:p>\n        <\/jats:sec>","DOI":"10.4085\/1062-6050-44.3.264","type":"journal-article","created":{"date-parts":[[2009,12,30]],"date-time":"2009-12-30T15:36:51Z","timestamp":1262187411000},"page":"264-271","source":"Crossref","is-referenced-by-count":16,"title":["Two Modes of Weight Training Programs and Patellar Stabilization"],"prefix":"10.4085","volume":"44","author":[{"given":"Yiu-ming","family":"Wong","sequence":"first","affiliation":[{"name":"The Hong Kong Polytechnic University, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suk-tak","family":"Chan","sequence":"additional","affiliation":[{"name":"The Hong Kong Polytechnic University, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kwok-wing","family":"Tang","sequence":"additional","affiliation":[{"name":"Queen Elizabeth Hospital, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel Y.\u2009F.","family":"Ng","sequence":"additional","affiliation":[{"name":"The Hong Kong Polytechnic University, Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"3","key":"i1062-6050-44-3-264-Fulkerson1","series-title":"Am J Sports Med","first-page":"447","article-title":"Diagnosis and treatment of patients with patellofemoral pain.","volume":"30","author":"Fulkerson, J. 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