{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T15:07:15Z","timestamp":1777993635175,"version":"3.51.4"},"reference-count":106,"publisher":"Human Kinetics","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,1]]},"abstract":"<jats:p>The objective was to examine the interactive effects of load magnitude and locomotion pattern on lower-extremity joint angles and intralimb coordination in recruit-aged women. Twelve women walked, ran, and forced marched at body weight and with loads of +25%, and +45% of body weight on an instrumented treadmill with infrared cameras. Joint angles were assessed in the sagittal plane. Intralimb coordination of the thigh\u2013shank and shank\u2013foot couple was assessed with continuous relative phase. Mean absolute relative phase (entire stride) and deviation phase (stance phase) were calculated from continuous relative phase. At heel strike, forced marching exhibited greater (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001) hip flexion, knee extension, and ankle plantar flexion compared with running. At mid-stance, knee flexion (<jats:italic>P<\/jats:italic>\u2009=\u2009.007) and ankle dorsiflexion (<jats:italic>P<\/jats:italic>\u2009=\u2009.04) increased with increased load magnitude for all locomotion patterns. Forced marching (<jats:italic>P<\/jats:italic>\u2009=\u2009.009) demonstrated a \u201cstiff-legged\u201d locomotion pattern compared with running, evidenced by the more in-phase mean absolute relative phase values. Running (<jats:italic>P<\/jats:italic>\u2009=\u2009.03) and walking (<jats:italic>P<\/jats:italic>\u2009=\u2009.003) had greater deviation phase than forced marching. Deviation phase increased for running (<jats:italic>P<\/jats:italic>\u2009=\u2009.03) and walking (<jats:italic>P<\/jats:italic>\u2009&lt;\u2009.001) with increased load magnitude but not for forced marching. With loads of &gt;25% of body weight, forced marching may increase risk of injury due to inhibited energy attenuation up the kinetic chain and lack of variability to disperse force across different supportive structures.<\/jats:p>","DOI":"10.1123\/jab.2020-0340","type":"journal-article","created":{"date-parts":[[2021,5,29]],"date-time":"2021-05-29T06:15:09Z","timestamp":1622268909000},"page":"343-350","source":"Crossref","is-referenced-by-count":7,"title":["Increases in Load Carriage Magnitude and Forced Marching Change Lower-Extremity Coordination in Physically Active, Recruit-Aged Women"],"prefix":"10.1123","volume":"37","author":[{"given":"Dennis E.","family":"Dever","sequence":"first","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kellen T.","family":"Krajewski","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Camille C.","family":"Johnson","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katelyn F.","family":"Allison","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nizam U.","family":"Ahamed","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mita","family":"Lovalekar","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Mi","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shawn D.","family":"Flanagan","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William J.","family":"Anderst","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"Connaboy","sequence":"additional","affiliation":[{"name":"1University of Pittsburgh"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"key":"ref1021","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.gaitpost.2019.02.002","article-title":"Movement variability emerges in gait as adaptation to task constraints in dynamic environments","volume":"70","author":"Caballero","year":"2019","journal-title":"Gait Posture"},{"key":"ref61","doi-asserted-by":"crossref","first-page":"2668","DOI":"10.1242\/jeb.027581","article-title":"Redirection of center-of-mass velocity during the step-to-step transition of human walking","volume":"212","author":"Adamczyk","year":"2009","journal-title":"J Exp Biol"},{"key":"ref101","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1098\/rstb.1992.0138","article-title":"A model of bipedal locomotion on compliant legs","volume":"338","author":"Alexander","year":"1992","journal-title":"Philos Trans R Soc Lond B Biol Sci"},{"key":"ref981","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1097\/00003677-200201000-00006","article-title":"Motor control strategies revealed in the structure of motor variability","volume":"30","author":"Latash","year":"2002","journal-title":"Exerc Sport Sci Rev"},{"key":"ref431","doi-asserted-by":"crossref","first-page":"938","DOI":"10.1037\/0003-066X.45.8.938","article-title":"Coordination","volume":"45","author":"Turvey","year":"1990","journal-title":"American Psychologist"},{"key":"ref801","doi-asserted-by":"crossref","first-page":"2300","DOI":"10.1016\/j.jbiomech.2014.04.038","article-title":"Intra-limb coordination while walking is affected by cognitive load and walking speed","volume":"47","author":"Ghanavati","year":"2014","journal-title":"J Biomech"},{"key":"ref821","doi-asserted-by":"crossref","first-page":"1320","DOI":"10.1111\/sms.13036","article-title":"Does the amount of lower extremity movement variability differ between injured and uninjured populations? 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