{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,4]],"date-time":"2026-04-04T02:09:17Z","timestamp":1775268557531,"version":"3.50.1"},"reference-count":70,"publisher":"Human Kinetics","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,1,1]]},"abstract":"<jats:p>\n                    <jats:italic>\n                      <jats:bold>Context<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Reduced spinal stabilization, delayed onset of muscle activation, and increased knee joint stiffness have been reported in individuals with a history of low back pain (LBP). Biomechanical adaptations resulting from LBP may increase the risk for future injury due to suboptimal loading of the lower-extremity or lumbar spine. Assessing landing mechanics in these individuals could help identify which structures might be susceptible to future injury.\n                    <jats:italic>\n                      <jats:bold>Objective<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    To compare vertical and joint stiffness of the lower-extremity and lumbar spine between individuals with and without a previous history of LBP.\n                    <jats:italic>\n                      <jats:bold>Design<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Cross-sectional study.\n                    <jats:italic>\n                      <jats:bold>Setting<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Research laboratory.\n                    <jats:italic>\n                      <jats:bold>Participants<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    There were 45 participants (24 without a previous history of LBP\u2014age 23 [8]\u00a0y, height 169.0 [8.5]\u00a0cm, mass 69.8 [13.8]\u00a0kg; 21 with a previous history of LBP\u2014age 25[9]\u00a0y, height 170.0 [8.0]\u00a0cm, mass 70.2 [11.8]\u00a0kg).\n                    <jats:italic>\n                      <jats:bold>Interventions<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Single-limb landing trials on the dominant and nondominant limb from a 30-cm box.\n                    <jats:italic>\n                      <jats:bold>Main Outcome Measures<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Vertical stiffness and joint stiffness of the ankle, knee, hip, and lumbar spine.\n                    <jats:italic>\n                      <jats:bold>Results<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Individuals with a previous history of LBP had lower vertical stiffness (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.04), but not joint stiffness measures compared with those without a previous history of LBP (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&gt;\u2009.05). Overall females had lower vertical (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.01), ankle (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.02), and hip stiffness (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.04) compared with males among all participants. Males with a previous history of LBP had lower vertical stiffness compared with males without a previous history LBP (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.01). Among all individuals without a previous history of LBP, females had lower vertical (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009&lt;\u2009.01) and ankle stiffness measures (\n                    <jats:italic>P<\/jats:italic>\n                    \u2009=\u2009.04) compared with males.\n                    <jats:italic>\n                      <jats:bold>Conclusions<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Landing stiffness may differ among males and females and a previous history of LBP. Comparisons between individuals with and without previous LBP should be considered when assessing landing strategies, and future research should focus on how LBP impacts landing mechanics.\n                  <\/jats:p>","DOI":"10.1123\/jsr.2017-0081","type":"journal-article","created":{"date-parts":[[2018,11,13]],"date-time":"2018-11-13T09:07:36Z","timestamp":1542100056000},"page":"28-36","source":"Crossref","is-referenced-by-count":4,"title":["Landing Stiffness Between Individuals With and Without a History of Low Back Pain"],"prefix":"10.1123","volume":"29","author":[{"given":"Mark A.","family":"Sutherlin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. 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