{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T06:12:12Z","timestamp":1790662332639,"version":"4.1.0"},"reference-count":52,"publisher":"National Athletic Trainers' Association","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,1,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context<\/jats:title>\n                  <jats:p>It has been proposed that altered dynamic-control strategies during functional activity such as jump landings may partially explain recurrent instability in individuals with functional ankle instability (FAI).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To capture jump-landing time to stabilization (TTS) and ankle motion using a multisegment foot model among FAI, coper, and healthy control individuals.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design<\/jats:title>\n                  <jats:p>Cross-sectional 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>Participants were 23 individuals with a history of at least 1 ankle sprain and at least 2 episodes of giving way in the past year (FAI), 23 individuals with a history of a single ankle sprain and no subsequent episodes of instability (copers), and 23 individuals with no history of ankle sprain or instability in their lifetime (controls). Participants were matched for age, height, and weight (age = 23.3 \u00b1 3.8 years, height = 1.71 \u00b1 0.09 m, weight = 69.0 \u00b1 13.7 kg).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Intervention(s)<\/jats:title>\n                  <jats:p>Ten single-legged drop jumps were recorded using a 12-camera Vicon MX motion-capture system and a strain-gauge force plate.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measures<\/jats:title>\n                  <jats:p>Mediolateral (ML) and anteroposterior (AP) TTS in seconds, as well as forefoot and hindfoot sagittal- and frontal-plane angles at jump-landing initial contact and at the point of maximum vertical ground reaction force were calculated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>For the forefoot and hindfoot in the sagittal plane, group differences were present at initial contact (forefoot: P = .043, hindfoot: P = .004). At the hindfoot, individuals with FAI displayed more dorsiflexion than the control and coper groups. Time to stabilization differed among groups (AP TTS: P &amp;lt; .001; ML TTS: P = .040). Anteroposterior TTS was longer in the coper group than in the FAI or control groups, and ML TTS was longer in the FAI group than in the control group.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>During jump landings, copers showed differences in sagittal-plane control, including less plantar flexion at initial contact and increased AP sway during stabilization, which may contribute to increased dynamic stability.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-51.2.10","type":"journal-article","created":{"date-parts":[[2016,9,19]],"date-time":"2016-09-19T17:51:53Z","timestamp":1474307513000},"page":"5-15","source":"Crossref","is-referenced-by-count":77,"title":["Altered Kinematics and Time to Stabilization During Drop-Jump Landings in Individuals With or Without Functional Ankle Instability"],"prefix":"10.4085","volume":"51","author":[{"given":"Cynthia J.","family":"Wright","sequence":"first","affiliation":[{"name":"Whitworth University, Spokane, WA;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brent L.","family":"Arnold","sequence":"first","affiliation":[{"name":"Indiana University School of Health and Rehabilitation Sciences, Indianapolis;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott E.","family":"Ross","sequence":"first","affiliation":[{"name":"University of North Carolina at Greensboro"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b01","first-page":"311","article-title":"Epidemiology of collegiate injuries for 15 sports: summary and recommendations for injury prevention initiatives","volume":"42","author":"Hootman","year":"2007","journal-title":"J Athl Train"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b02","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1249\/01.mss.0000241637.52231.18","article-title":"Prevalence of musculoskeletal disorders at the NFL Combine\u2014trends from 1987 to 2000","volume":"39","author":"Brophy","year":"2007","journal-title":"Med Sci Sports Exerc"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b03","doi-asserted-by":"crossref","first-page":"73","DOI":"10.2165\/00007256-200737010-00006","article-title":"A systematic review on ankle injury and ankle sprain in sports","volume":"37","author":"Fong","year":"2007","journal-title":"Sports Med"},{"issue":"3","key":"2020060411303111200_i1062-6050-51-1-5-b04","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1034\/j.1600-0838.2002.02104.x","article-title":"Seven years follow-up after ankle inversion trauma","volume":"12","author":"Konradsen","year":"2002","journal-title":"Scand J Med Sci Sports"},{"issue":"3","key":"2020060411303111200_i1062-6050-51-1-5-b05","doi-asserted-by":"crossref","first-page":"e14","DOI":"10.1136\/bjsm.2004.011676","article-title":"Long term outcomes of inversion ankle injuries","volume":"39","author":"Anandacoomarasamy","year":"2005","journal-title":"Br J Sports Med"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b06","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1001\/archfami.8.2.143","article-title":"Effects of ankle sprain in a general clinic population 6 to 18 months after medical evaluation","volume":"8","author":"Braun","year":"1999","journal-title":"Arch Fam Med"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b07","doi-asserted-by":"crossref","first-page":"678","DOI":"10.1302\/0301-620X.47B4.678","article-title":"The etiology and prevention of functional instability of the foot","volume":"47","author":"Freeman","year":"1965","journal-title":"J Bone Joint Surg Br"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b08","doi-asserted-by":"crossref","first-page":"612","DOI":"10.1177\/0363546505281813","article-title":"Ligamentous posttraumatic ankle osteoarthritis","volume":"34","author":"Valderrabano","year":"2006","journal-title":"Am J Sports Med"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b09","first-page":"364","article-title":"Functional anatomy, pathomechanics, and pathophysiology of lateral ankle instability","volume":"37","author":"Hertel","year":"2002","journal-title":"J Athl Train"},{"issue":"10","key":"2020060411303111200_i1062-6050-51-1-5-b10","doi-asserted-by":"crossref","first-page":"1991","DOI":"10.1002\/jor.20235","article-title":"Changes in lower limb kinematics, kinetics, and muscle activity in subjects with functional instability of the ankle joint during a single leg drop jump","volume":"24","author":"Delahunt","year":"2006","journal-title":"J Orthop Res"},{"issue":"12","key":"2020060411303111200_i1062-6050-51-1-5-b11","doi-asserted-by":"crossref","first-page":"1970","DOI":"10.1177\/0363546506290989","article-title":"Altered neuromuscular control and ankle joint kinematics during walking in subjects with functional instability of the ankle joint","volume":"34","author":"Delahunt","year":"2006","journal-title":"Am J Sports Med"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b12","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1016\/j.clinbiomech.2005.09.004","article-title":"Ankle function during gait in patients with chronic ankle instability compared to controls","volume":"21","author":"Monaghan","year":"2006","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b13","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1055\/s-2002-19272","article-title":"Functional instability of the ankle: differences in patterns of ankle and knee movement prior to and post landing in a single leg jump","volume":"23","author":"Caulfield","year":"2002","journal-title":"Int J Sports Med"},{"issue":"6","key":"2020060411303111200_i1062-6050-51-1-5-b14","doi-asserted-by":"crossref","first-page":"822","DOI":"10.1016\/j.clinbiomech.2008.02.013","article-title":"Individuals with mechanical ankle instability exhibit different motion patterns than those with functional ankle instability and ankle sprain copers","volume":"23","author":"Brown","year":"2008","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b15","first-page":"298","article-title":"Single-leg jump-landing stabilization times in subjects with functionally unstable ankles","volume":"40","author":"Ross","year":"2005","journal-title":"J Athl Train"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b16","doi-asserted-by":"crossref","first-page":"350","DOI":"10.4085\/1062-6050-44.4.350","article-title":"Alterations in knee kinematics and dynamic stability associated with chronic ankle instability","volume":"44","author":"Gribble","year":"2009","journal-title":"J Athl Train"},{"issue":"6","key":"2020060411303111200_i1062-6050-51-1-5-b17","doi-asserted-by":"crossref","first-page":"617","DOI":"10.1016\/j.clinbiomech.2004.03.001","article-title":"Changes in ground reaction force during jump landing in subjects with functional instability of the ankle joint","volume":"19","author":"Caulfield","year":"2004","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"12","key":"2020060411303111200_i1062-6050-51-1-5-b18","doi-asserted-by":"crossref","first-page":"782","DOI":"10.2519\/jospt.2008.2766","article-title":"Relationship between functional ankle instability and postural control","volume":"38","author":"de Noronha","year":"2008","journal-title":"J Orthop Sports Phys Ther"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b19","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1007\/s001670000166","article-title":"Dynamic stability in the anterior cruciate ligament deficient knee","volume":"9","author":"Rudolph","year":"2001","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b20","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1136\/bjsm.35.2.103","article-title":"Ankle injuries in basketball: injury rate and risk factors","volume":"35","author":"McKay","year":"2001","journal-title":"Br J Sports Med"},{"issue":"7","key":"2020060411303111200_i1062-6050-51-1-5-b21","doi-asserted-by":"crossref","first-page":"790","DOI":"10.1016\/j.clinbiomech.2013.07.009","article-title":"Effects of fatiguing treadmill running on sensorimotor control in athletes with and without functional ankle instability","volume":"28","author":"Steib","year":"2013","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"6","key":"2020060411303111200_i1062-6050-51-1-5-b22","doi-asserted-by":"crossref","first-page":"641","DOI":"10.1111\/j.1600-0838.2006.00612.x","article-title":"Ankle function during hopping in subjects with functional instability of the ankle joint","volume":"17","author":"Delahunt","year":"2007","journal-title":"Scand J Med Sci Sports"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b23","doi-asserted-by":"crossref","first-page":"e63","DOI":"10.1111\/j.1600-0838.2009.00899.x","article-title":"Differences in spatiotemporal landing variables during a dynamic stability task in subjects with CAI","volume":"20","author":"Gribble","year":"2010","journal-title":"Scand J Med Sci Sports"},{"issue":"10","key":"2020060411303111200_i1062-6050-51-1-5-b24","doi-asserted-by":"crossref","first-page":"1299","DOI":"10.1016\/S0021-9290(01)00101-4","article-title":"Kinematic analysis of a multi-segment foot model for research and clinical applications: a repeatability analysis","volume":"34","author":"Carson","year":"2001","journal-title":"J Biomech"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b25","doi-asserted-by":"crossref","first-page":"401","DOI":"10.1016\/j.gaitpost.2005.03.002","article-title":"Repeatability of a model for measuring multi-segment foot kinematics in children","volume":"23","author":"Stebbins","year":"2006","journal-title":"Gait Posture"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b26","doi-asserted-by":"crossref","first-page":"108","DOI":"10.1016\/j.gaitpost.2010.10.084","article-title":"Repeatability of the modified oxford foot model during gait in healthy adults","volume":"33","author":"Wright","year":"2011","journal-title":"Gait Posture"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b27","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1097\/00042752-200607000-00007","article-title":"Effect of coordination training with and without stochastic resonance stimulation on dynamic postural stability of subjects with functional ankle instability and subjects with stable ankles","volume":"16","author":"Ross","year":"2006","journal-title":"Clin J Sport Med"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b28","doi-asserted-by":"crossref","first-page":"203","DOI":"10.4085\/1062-6050-48.1.08","article-title":"Fatigue-induced alterations of static and dynamic postural control in athletes with a history of ankle sprain","volume":"48","author":"Steib","year":"2013","journal-title":"J Athl Train"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b29","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1123\/jsr.13.2.122","article-title":"Assessing functional ankle instability with joint position sense, time to stabilization, and electromyography","volume":"13","author":"Brown","year":"2004","journal-title":"J Sport Rehabil"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b30","doi-asserted-by":"crossref","first-page":"e137","DOI":"10.1111\/j.1600-0838.2009.00929.x","article-title":"Dynamic postural control but not mechanical stability differs among those with and without chronic ankle instability","volume":"20","author":"Wikstrom","year":"2010","journal-title":"Scand J Med Sci Sports"},{"issue":"3","key":"2020060411303111200_i1062-6050-51-1-5-b31","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1249\/mss.0b013e31802d3460","article-title":"Dynamic postural stability deficits in subjects with self-reported ankle instability","volume":"39","author":"Wikstrom","year":"2007","journal-title":"Med Sci Sports Exerc"},{"issue":"12","key":"2020060411303111200_i1062-6050-51-1-5-b32","doi-asserted-by":"crossref","first-page":"2258","DOI":"10.1249\/MSS.0b013e3181e40108","article-title":"Dynamic postural stability in females with chronic ankle instability","volume":"42","author":"Brown","year":"2010","journal-title":"Med Sci Sports Exerc"},{"issue":"5","key":"2020060411303111200_i1062-6050-51-1-5-b33","first-page":"A2","article-title":"Second international ankle symposium summary statement","volume":"35","author":"Hertel","year":"2005","journal-title":"J Orthop Sports Phys Ther"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b34","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1007\/s40279-013-0111-4","article-title":"Minimum reporting standards for copers in chronic ankle instability research","volume":"44","author":"Wikstrom","year":"2014","journal-title":"Sports Med"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b35","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1016\/j.clinbiomech.2011.07.012","article-title":"Movement variability during single leg jump landings in individuals with and without chronic ankle instability","volume":"27","author":"Brown","year":"2012","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"6","key":"2020060411303111200_i1062-6050-51-1-5-b36","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1034\/j.1600-0838.2002.00108.x","article-title":"Inversion injury biomechanics in functional ankle instability: a cadaver study of simulated gait","volume":"12","author":"Konradsen","year":"2002","journal-title":"Scand J Med Sci Sports"},{"issue":"5","key":"2020060411303111200_i1062-6050-51-1-5-b37","doi-asserted-by":"crossref","first-page":"581","DOI":"10.4085\/1062-6050-48.3.15","article-title":"Clinical examination results in individuals with functional ankle instability and ankle-sprain copers","volume":"48","author":"Wright","year":"2013","journal-title":"J Athl Train"},{"issue":"5","key":"2020060411303111200_i1062-6050-51-1-5-b38","doi-asserted-by":"crossref","first-page":"201","DOI":"10.3928\/19425864-20130827-01","article-title":"Individuals with functional ankle instability, but not copers, have increased forefoot inversion during walking gait","volume":"5","author":"Wright","year":"2013","journal-title":"Athl Train Sport Health"},{"issue":"9","key":"2020060411303111200_i1062-6050-51-1-5-b39","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.1016\/j.apmr.2006.05.022","article-title":"The cumberland ankle instability tool: a report of validity and reliability testing","volume":"87","author":"Hiller","year":"2006","journal-title":"Arch Phys Med Rehabil"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b40","doi-asserted-by":"crossref","first-page":"121","DOI":"10.4085\/1062-6050-49.1.14","article-title":"Selection criteria for patients with chronic ankle instability in controlled research: a position statement of the International Ankle Consortium","volume":"49","author":"Gribble","year":"2014","journal-title":"J Athl Train"},{"issue":"6","key":"2020060411303111200_i1062-6050-51-1-5-b41","doi-asserted-by":"crossref","first-page":"458","DOI":"10.2519\/jospt.2009.2989","article-title":"Self-assessed disability and functional performance in individuals with and without ankle instability: a case control study","volume":"39","author":"Wikstrom","year":"2009","journal-title":"J Orthop Sports Phys Ther"},{"issue":"1","key":"2020060411303111200_i1062-6050-51-1-5-b42","doi-asserted-by":"crossref","first-page":"82","DOI":"10.1016\/j.gaitpost.2010.03.015","article-title":"Postural control differs between those with and without chronic ankle instability","volume":"32","author":"Wikstrom","year":"2010","journal-title":"Gait Posture"},{"issue":"11","key":"2020060411303111200_i1062-6050-51-1-5-b43","doi-asserted-by":"crossref","first-page":"1489","DOI":"10.1002\/jor.20682","article-title":"Force sense deficits in functionally unstable ankles","volume":"26","author":"Docherty","year":"2008","journal-title":"J Orthop Res"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b44","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1115\/1.3138397","article-title":"A joint coordinate system for the clinical description of three-dimensional motions: application to the knee","volume":"105","author":"Grood","year":"1983","journal-title":"J Biomech Eng"},{"issue":"3","key":"2020060411303111200_i1062-6050-51-1-5-b45","doi-asserted-by":"crossref","first-page":"318","DOI":"10.1123\/jab.15.3.318","article-title":"Estimate of the optimum cutoff frequency for the Butterworth low-pass digital filter","volume":"15","author":"Yu","year":"1999","journal-title":"J Appl Biomech"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b46","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1016\/j.gaitpost.2006.04.011","article-title":"Increasing the number of gait trial recordings maximises intra-rater reliability of the CODA motion analysis system","volume":"25","author":"Monaghan","year":"2007","journal-title":"Gait Posture"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b47","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1249\/01.MSS.0000149887.84238.6C","article-title":"Detection of dynamic stability deficits in subjects with functional ankle instability","volume":"37","author":"Wikstrom","year":"2005","journal-title":"Med Sci Sports Exerc"},{"issue":"2","key":"2020060411303111200_i1062-6050-51-1-5-b48","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/j.clinbiomech.2012.11.003","article-title":"Examining the diagnostic accuracy of dynamic postural stability measures in differentiating among ankle instability status","volume":"28","author":"Liu","year":"2013","journal-title":"Clin Biomech (Bristol, Avon)"},{"issue":"3","key":"2020060411303111200_i1062-6050-51-1-5-b49","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1123\/att.8.3.37","article-title":"Time to stabilization: a method for analyzing dynamic postural stability","volume":"8","author":"Ross","year":"2003","journal-title":"Athl Ther Today"},{"issue":"5","key":"2020060411303111200_i1062-6050-51-1-5-b50","doi-asserted-by":"crossref","first-page":"1048","DOI":"10.1249\/MSS.0b013e318192d044","article-title":"Ankle instability is associated with balance impairments: a meta-analysis","volume":"41","author":"Arnold","year":"2009","journal-title":"Med Sci Sports Exerc"},{"issue":"4","key":"2020060411303111200_i1062-6050-51-1-5-b51","first-page":"305","article-title":"A new force-plate technology measure of dynamic postural stability: the dynamic postural stability index","volume":"40","author":"Wikstrom","year":"2005","journal-title":"J Athl Train"},{"issue":"11","key":"2020060411303111200_i1062-6050-51-1-5-b52","doi-asserted-by":"crossref","first-page":"799","DOI":"10.2519\/jospt.2009.3042","article-title":"The ability of 4 single-limb hopping tests to detect functional performance deficits in individuals with functional ankle instability","volume":"39","author":"Caffrey","year":"2009","journal-title":"J Orthop Sports Phys Ther"}],"container-title":["Journal of Athletic Training"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/meridian.allenpress.com\/jat\/article-pdf\/51\/1\/5\/1457003\/1062-6050-51_2_10.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"http:\/\/meridian.allenpress.com\/jat\/article-pdf\/51\/1\/5\/1457003\/1062-6050-51_2_10.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T18:51:46Z","timestamp":1749667906000},"score":1,"resource":{"primary":{"URL":"https:\/\/nata.kglmeridian.com\/view\/journals\/attr\/51\/1\/article-p5.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,1,1]]},"references-count":52,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2016,1,1]]}},"URL":"https:\/\/doi.org\/10.4085\/1062-6050-51.2.10","relation":{},"ISSN":["1062-6050"],"issn-type":[{"value":"1062-6050","type":"print"}],"subject":[],"published":{"date-parts":[[2016,1,1]]}}}