{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T06:12:23Z","timestamp":1790662343882,"version":"4.1.0"},"reference-count":37,"publisher":"National Athletic Trainers' Association","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,7,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context:\u2003<\/jats:title>\n                  <jats:p>Compared with individuals who have a history of lateral ankle sprain (LAS) without markers of chronic ankle instability (CAI; LAS copers) and healthy people, those with CAI often exhibit neuromuscular impairments and dynamic-stability deficits at the hip. However, the influence of hip-strength deficits on dynamic stability remains unknown.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective:\u2003<\/jats:title>\n                  <jats:p>To compare isometric hip strength and dynamic stability in individuals with or without CAI and examine the degree of dynamic-stability variance explained by isometric hip strength.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design:\u2003<\/jats:title>\n                  <jats:p>Case-control study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting:\u2003<\/jats:title>\n                  <jats:p>Research laboratory.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patients or Other Participants:\u2003<\/jats:title>\n                  <jats:p>Sixty individuals (47 women, 13 men; age = 23.7 \u00b1 4.6 years, height = 166.6 \u00b1 7.7 cm, mass = 70.8 \u00b1 15.7 kg) separated into CAI, LAS coper, and control groups based on previously established criteria.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure(s):\u2003<\/jats:title>\n                  <jats:p>Group differences in resultant vector time to stabilization (RVTTS) and isometric hip-extension, -abduction, and external-rotation strength were determined using 1-way analyses of covariance that controlled for sex and limb (dominant or nondominant) tested and Cohen d effect sizes (95% confidence intervals). Backward linear regressions and Cohen f2 effect sizes (95% confidence intervals) determined the amount of RVTTS variance explained by isometric hip strength. Significance was set a priori at P &amp;lt; .05.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:\u2003<\/jats:title>\n                  <jats:p>The CAI group had less isometric hip-extension strength than LAS copers (P = .02, d = 0.72 [0.06, 1.34]) and controls (P = .01, d = 1.19 [0.50, 1.84]) and less external-rotation strength than LAS copers (P = .03, d = 0.78 [0.13, 1.41]) and controls (P = .01, d = 1.02 [0.34, 1.65]). No group differences existed for RVTTS (F2,57 = 1.16, P = .32) or abduction strength (F2,57 = 2.84, P = .07). Resultant vector time to stabilization was explained by isometric hip strength for LAS copers (R2 = 0.21, f2 = 0.27 [0.22, 0.32], P = .04) but not for the CAI (R2 = 0.12, f2 = 0.14 [0.06, 0.22], P = .22) or control (R2 = 0.10, f2 = 0.11 [0.03, 0.19], P = .18) groups.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions:\u2003<\/jats:title>\n                  <jats:p>Participants with CAI had decreased isometric hip strength, but that did not equate to dynamic-stability deficits. Clinicians should include hip-muscle strengthening in rehabilitation protocols for patients with CAI, yet these gains may not enhance dynamic stability when landing from a jump.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-238-17","type":"journal-article","created":{"date-parts":[[2018,8,7]],"date-time":"2018-08-07T15:19:21Z","timestamp":1533655161000},"page":"672-678","source":"Crossref","is-referenced-by-count":56,"title":["Isometric Hip Strength and Dynamic Stability of Individuals With Chronic Ankle Instability"],"prefix":"10.4085","volume":"53","author":[{"given":"Ryan S.","family":"McCann","sequence":"first","affiliation":[{"name":"School of Physical Therapy & Athletic Training, Old Dominion University, Norfolk, VA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brenn A.","family":"Bolding","sequence":"first","affiliation":[{"name":"Sacred Heart University, Fairfield, 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