{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T07:41:24Z","timestamp":1765438884347,"version":"build-2065373602"},"reference-count":23,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T00:00:00Z","timestamp":1696982400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"G\u00f6ttingen University"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Background: Pelvis fractures are commonly stabilized by surgical implants to facilitate their healing. However, such implants immobilize the iliosacral joint for up to a year until removal. We report how iliosacral joint immobilization affects the walking of patients. Methods: The gaits of patients with immobilized sacroiliac joints after unstable pelvic fracture (n = 8; mean age: 45.63 \u00b1 23.19; five females and three males) and sex- and age-matched healthy control individuals (n = 8; mean age: 46.50 \u00b1 22.91; five females and three males) were recorded and analyzed using a motion capture system. The forces between the tread and feet were also recorded. Standard gait parameters as well as dynamic patterns of joint angles and moments of the lower extremities were analyzed using the simulation software OpenSim. Results: With the exception of hip extensor strength, the monitored joint parameters of the patients showed task-dependent deviations during walking, i.e., plantarflexor force was increased when stepping on an elevated surface, as were hip flexion and extensor moments, knee flexion and extensor moments, as well as ankle dorsiflexion and the associated negative plantarflexor force during stance on the elevated surface. Conclusions: Iliosacral joint fixation causes reduced forward and upward propulsion and requires an extended range of hip motion in the sagittal plane. Patients show significant mobility limitation after iliosacral screw fixation.<\/jats:p>","DOI":"10.3390\/jcm12206470","type":"journal-article","created":{"date-parts":[[2023,10,12]],"date-time":"2023-10-12T03:14:32Z","timestamp":1697080472000},"page":"6470","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Effects of Iliosacral Joint Immobilization on Walking after Iliosacral Screw Fixation in Humans"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3086-4278","authenticated-orcid":false,"given":"Katharina","family":"J\u00e4ckle","sequence":"first","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takashi","family":"Yoshida","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kira","family":"Neigefink","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9933-9650","authenticated-orcid":false,"given":"Marc-Pascal","family":"Meier","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark-Tilmann","family":"Seitz","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thelonius","family":"Hawellek","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabriela","family":"von Lewinski","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul Jonathan","family":"Roch","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9812-4658","authenticated-orcid":false,"given":"Lukas","family":"Weiser","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7022-1069","authenticated-orcid":false,"given":"Arndt F.","family":"Schilling","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wolfgang","family":"Lehmann","sequence":"additional","affiliation":[{"name":"Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center G\u00f6ttingen, Robert-Koch Str. 40, 37075 G\u00f6ttingen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"S45","DOI":"10.1016\/j.otsr.2015.12.002","article-title":"Osteosynthesis in sacral fracture and lumbosacral dislocation","volume":"102","author":"Hirsch","year":"2016","journal-title":"Orthop. 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