{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T12:58:15Z","timestamp":1791896295582,"version":"4.3.4"},"reference-count":34,"publisher":"National Athletic Trainers' Association","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,3,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context:<\/jats:title>\n                  <jats:p>Accurate, efficient, and reliable measurement methods are essential to prospectively identify risk factors for knee injuries in large cohorts.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective:<\/jats:title>\n                  <jats:p>To determine tester reliability using digital photographs for the measurement of static lower extremity alignment (LEA) and whether values quantified with an electromagnetic motion-tracking system are in agreement with those quantified with clinical methods and digital photographs.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design:<\/jats:title>\n                  <jats:p>Descriptive laboratory study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting:<\/jats:title>\n                  <jats:p>Laboratory.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patients or Other Participants:<\/jats:title>\n                  <jats:p>Thirty-three individuals participated and included 17 (10 women, 7 men; age = 21.7 \u00b1 2.7 years, height = 163.4 \u00b1 6.4 cm, mass = 59.7 \u00b1 7.8 kg, body mass index = 23.7 \u00b1 2.6 kg\/m2) in study 1, in which we examined the reliability between clinical measures and digital photographs in 1 trained and 1 novice investigator, and 16 (11 women, 5 men; age = 22.3 \u00b1 1.6 years, height = 170.3 \u00b1 6.9 cm, mass = 72.9 \u00b1 16.4 kg, body mass index = 25.2 \u00b1 5.4 kg\/m2) in study 2, in which we examined the agreement among clinical measures, digital photographs, and an electromagnetic tracking system.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Intervention(s):<\/jats:title>\n                  <jats:p>We evaluated measures of pelvic angle, quadriceps angle, tibiofemoral angle, genu recurvatum, femur length, and tibia length. Clinical measures were assessed using clinically accepted methods. Frontal- and sagittal-plane digital images were captured and imported into a computer software program. Anatomic landmarks were digitized using an electromagnetic tracking system to calculate static LEA.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure(s):<\/jats:title>\n                  <jats:p>Intraclass correlation coefficients and standard errors of measurement were calculated to examine tester reliability. We calculated 95% limits of agreement and used Bland-Altman plots to examine agreement among clinical measures, digital photographs, and an electromagnetic tracking system.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>Using digital photographs, fair to excellent intratester (intraclass correlation coefficient range = 0.70\u20130.99) and intertester (intraclass correlation coefficient range = 0.75\u20130.97) reliability were observed for static knee alignment and limb-length measures. An acceptable level of agreement was observed between clinical measures and digital pictures for limb-length measures. When comparing clinical measures and digital photographs with the electromagnetic tracking system, an acceptable level of agreement was observed in measures of static knee angles and limb-length measures.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions:<\/jats:title>\n                  <jats:p>The use of digital photographs and an electromagnetic tracking system appears to be an efficient and reliable method to assess static knee alignment and limb-length measurements.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-48.2.08","type":"journal-article","created":{"date-parts":[[2013,3,15]],"date-time":"2013-03-15T19:52:05Z","timestamp":1363377125000},"page":"248-257","source":"Crossref","is-referenced-by-count":18,"title":["Various Methods for Assessing Static Lower Extremity Alignment: Implications for Prospective Risk-Factor Screenings"],"prefix":"10.4085","volume":"48","author":[{"given":"Anh-Dung","family":"Nguyen","sequence":"first","affiliation":[{"name":"Department of Health and Human Performance, College of Charleston, SC;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle C.","family":"Boling","sequence":"first","affiliation":[{"name":"Department of Clinical and Applied Movement Science, University of North Florida, Jacksonville;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carrie A.","family":"Slye","sequence":"first","affiliation":[{"name":"Department of Health and Human Performance, College of Charleston, SC;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily M.","family":"Hartley","sequence":"first","affiliation":[{"name":"University of Kentucky, Lexington. Dr Nguyen is now at the Department of Athletic Training, High Point University, NC."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gina L.","family":"Parisi","sequence":"first","affiliation":[{"name":"Department of Health and Human Performance, College of Charleston, SC;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"5","key":"2020060411095445900_i1062-6050-48-2-248-b01","doi-asserted-by":"crossref","first-page":"499","DOI":"10.4085\/1062-6050-45.5.499","article-title":"ACL Research Retreat V: an update on ACL injury risk and prevention, March 25\u201327, 2010, Greensboro, NC","volume":"45","author":"Shultz","year":"2010","journal-title":"J Athl Train"},{"issue":"3","key":"2020060411095445900_i1062-6050-48-2-248-b02","doi-asserted-by":"crossref","first-page":"A1","DOI":"10.2519\/jospt.2010.0302","article-title":"Patellofemoral pain syndrome: proximal, distal, and local factors, an international retreat, April 30\u2013May 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Upper Saddle River, NJ : Prentice Hall;2000 ."},{"issue":"3","key":"2020060411095445900_i1062-6050-48-2-248-b29","doi-asserted-by":"crossref","first-page":"307","DOI":"10.2307\/2987937","article-title":"Measurement in medicine: the analysis of method comparison studies","volume":"32","author":"Altman","year":"1983","journal-title":"Statistician"},{"issue":"8476","key":"2020060411095445900_i1062-6050-48-2-248-b30","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/S0140-6736(86)90837-8","article-title":"Statistical methods for assessing agreement between two methods of clinical measurement","volume":"1","author":"Bland","year":"1986","journal-title":"Lancet"},{"issue":"10","key":"2020060411095445900_i1062-6050-48-2-248-b31","doi-asserted-by":"crossref","first-page":"1996","DOI":"10.1177\/0363546509343200","article-title":"The Landing Error Scoring System (LESS) is a valid and reliable clinical assessment tool of jump-landing biomechanics: the JUMP-ACL study","volume":"37","author":"Padua","year":"2009","journal-title":"Am J Sports Med"},{"key":"2020060411095445900_i1062-6050-48-2-248-b32","first-page":"951","article-title":"The wider gynaecoid pelvis\u2013larger Q angle\u2013greater predisposition to ACL injury relationship: myth or reality?","volume":"16(10)","author":"Livingston","year":"2001","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"7","key":"2020060411095445900_i1062-6050-48-2-248-b33","doi-asserted-by":"crossref","first-page":"693","DOI":"10.1016\/j.clinbiomech.2010.04.016","article-title":"Clinical correlates to laboratory measures for use in non-contact anterior cruciate ligament injury risk prediction algorithm","volume":"25","author":"Myer","year":"2010","journal-title":"Clin Biomech (Bristol, Avon)"},{"key":"2020060411095445900_i1062-6050-48-2-248-b34","unstructured":"Kendall\n              FP , \n            \n              McCreary\n              EK , \n            \n              Provance\n              PG , \n            \n              Rodgers\n              MM , \n            \n              Romani\n              WA . \n          \n          Muscles Testing and Function With Posture and Pain. 5th ed . 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