{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T17:06:09Z","timestamp":1791651969981,"version":"4.3.4"},"reference-count":35,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2024,3,12]],"date-time":"2024-03-12T00:00:00Z","timestamp":1710201600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Bioeng. Biotechnol."],"abstract":"<jats:p><jats:bold>Objective:<\/jats:bold> This study aimed at quantifying the difference in kinematic and joint moments calculation for lower limbs during gait utilizing a markerless motion system (TsingVA Technology, Beijing, China) in comparison to values estimated using a marker-based motion capture system (Nokov Motion Capture System, Beijing, China).<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Sixteen healthy participants were recruited for the study. The kinematic data of the lower limb during walking were acquired simultaneously based on the markerless motion capture system (120\u00a0Hz) and the marker-based motion capture system (120\u00a0Hz). The ground reaction force was recorded synchronously using a force platform (1,200\u00a0Hz). The kinematic and force data were input into Visual3D for inverse dynamics calculations.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> The difference in the lower limb joint center position between the two systems was the least at the ankle joint in the posterior\/anterior direction, with the mean absolute deviation (MAD) of 0.74\u00a0cm. The least difference in measuring lower limb angles between the two systems was found in flexion\/extension movement, and the greatest difference was found in internal\/external rotation movement. The coefficient of multiple correlations (CMC) of the lower limb three joint moments for both systems exceeded or equaled 0.75, except for the ad\/abduction of the knee and ankle. All the Root Mean Squared Deviation (RMSD) of the lower limb joint moment are below 18\u00a0N\u00b7m.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> The markerless motion capture system and marker-based motion capture system showed a high similarity in kinematics and inverse dynamic calculation for lower limbs during gait in the sagittal plane. However, it should be noted that there is a notable deviation in ad\/abduction moments at the knee and ankle.<\/jats:p>","DOI":"10.3389\/fbioe.2024.1280363","type":"journal-article","created":{"date-parts":[[2024,3,12]],"date-time":"2024-03-12T05:00:46Z","timestamp":1710219646000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":24,"title":["Comparison of kinematics and joint moments calculations for lower limbs during gait using markerless and marker-based motion capture"],"prefix":"10.3389","volume":"12","author":[{"given":"Tianchen","family":"Huang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mianfang","family":"Ruan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shangjun","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linlin","family":"Fan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xie","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2024,3,12]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"105442","DOI":"10.1016\/j.clineuro.2019.105442","article-title":"Artificial intelligence for assisting diagnostics and assessment of Parkinson\u2019s disease\u2014a review","volume":"184","author":"Beli\u0107","year":"2019","journal-title":"Clin. 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