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An independent t-test was performed to compare the tensiomyography variables and isokinetic trunk strength test results between group.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Result of tensiomyography, we found that the contraction time significant differences in the maximal radial muscle displacement, and velocity of contraction between groups in erector spinae. Semitendinosus revealed significant differences in all variables between groups. Additionally, the isokinetic trunk strength test revealed significant differences in all variables between groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>These findings suggest that due to the characteristics of NSCLBP, such as increased muscle stiffness, fat infiltration, and muscle fatigue, kinesiophobia, physical deconditioning syndrome, the posterior chain muscles of the NSCLBP group showed higher muscle stiffness and slower contraction speed than the control group. Also in the NSCLBP group, trunk isokinetic muscle strength was lower than in the control group, and flexor and extensor muscles were unbalanced.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10538127251316172","type":"journal-article","created":{"date-parts":[[2025,3,25]],"date-time":"2025-03-25T19:16:16Z","timestamp":1742930176000},"page":"783-793","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["A comparison of Contractile properties of posterior chain muscles and trunk strength in females with non-specific chronic low back pain"],"prefix":"10.1177","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-1751-9832","authenticated-orcid":false,"given":"Hyungwoo","family":"Lee","sequence":"first","affiliation":[{"name":"Division of Sport Science, Incheon National University, Incheon, South Korea"},{"name":"Department of Human Movement Science, Incheon National University, Incheon, South Korea"},{"name":"Functional Rehabilitation Biomechanics Laboratory, Incheon National University, Incheon, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0283-6683","authenticated-orcid":false,"given":"Seungwon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Human Movement Science, Incheon National University, Incheon, South Korea"},{"name":"Functional Rehabilitation Biomechanics Laboratory, Incheon National University, Incheon, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3014-1803","authenticated-orcid":false,"given":"Chanki","family":"Kim","sequence":"additional","affiliation":[{"name":"Division of Sport Science, Incheon National University, Incheon, South Korea"},{"name":"Department of Human Movement Science, Incheon National University, Incheon, South Korea"},{"name":"Functional Rehabilitation Biomechanics Laboratory, Incheon National University, Incheon, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5007-6519","authenticated-orcid":false,"given":"Kyoungkyu","family":"Jeon","sequence":"additional","affiliation":[{"name":"Division of Sport Science, Incheon National University, Incheon, South Korea"},{"name":"Department of Human Movement Science, Incheon National University, Incheon, South Korea"},{"name":"Functional Rehabilitation Biomechanics Laboratory, Incheon National University, Incheon, South Korea"},{"name":"Sport Science Institute, Incheon National University, Incheon, South Korea"},{"name":"Health Promotion Center, Incheon National University, Incheon, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,3,25]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.4184\/asj.2015.9.4.645"},{"key":"e_1_3_4_3_2","article-title":"Muscle control and non-specific chronic low back pain","volume":"21","author":"Russo M","year":"2018","unstructured":"Russo M, Deckers K, Eldabe S, et al. 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