{ "access": { "embargo": { "active": false, "reason": null }, "files": "public", "record": "public", "status": "open" }, "created": "2018-12-08T15:16:32.491837+00:00", "custom_fields": { "meeting:meeting": { "dates": "12-14 December 2018", "place": "Groningen, The Netherlands", "session": "A", "session_part": "7", "title": "6th International RehabMove State-Of-The-Art Congress 2018", "url": "http://rehabmove2018.com/" } }, "deletion_status": { "is_deleted": false, "status": "P" }, "files": { "count": 1, "enabled": true, "entries": { "RM2018_A7_Kerkum.pdf": { "checksum": "md5:9b74249a3de24c6d172e6dac24afd597", "ext": "pdf", "id": "92538d97-ee1c-4385-8161-27affe9d175d", "key": "RM2018_A7_Kerkum.pdf", "metadata": null, "mimetype": "application/pdf", "size": 392727 } }, "order": [], "total_bytes": 392727 }, "id": "1489856", "is_draft": false, "is_published": true, "links": { "access": "https://zenodo.org/api/records/1489856/access", "access_links": "https://zenodo.org/api/records/1489856/access/links", "access_request": "https://zenodo.org/api/records/1489856/access/request", "access_users": "https://zenodo.org/api/records/1489856/access/users", "archive": "https://zenodo.org/api/records/1489856/files-archive", "archive_media": "https://zenodo.org/api/records/1489856/media-files-archive", "communities": "https://zenodo.org/api/records/1489856/communities", "communities-suggestions": "https://zenodo.org/api/records/1489856/communities-suggestions", "doi": "https://doi.org/10.5281/zenodo.1489856", "draft": "https://zenodo.org/api/records/1489856/draft", "files": "https://zenodo.org/api/records/1489856/files", "latest": "https://zenodo.org/api/records/1489856/versions/latest", "latest_html": "https://zenodo.org/records/1489856/latest", "media_files": "https://zenodo.org/api/records/1489856/media-files", "parent": "https://zenodo.org/api/records/1489855", "parent_doi": "https://zenodo.org/doi/10.5281/zenodo.1489855", "parent_html": "https://zenodo.org/records/1489855", "requests": "https://zenodo.org/api/records/1489856/requests", "reserve_doi": "https://zenodo.org/api/records/1489856/draft/pids/doi", "self": "https://zenodo.org/api/records/1489856", "self_doi": "https://zenodo.org/doi/10.5281/zenodo.1489856", "self_html": "https://zenodo.org/records/1489856", "self_iiif_manifest": "https://zenodo.org/api/iiif/record:1489856/manifest", "self_iiif_sequence": "https://zenodo.org/api/iiif/record:1489856/sequence/default", "versions": "https://zenodo.org/api/records/1489856/versions" }, "media_files": { "count": 0, "enabled": false, "entries": {}, "order": [], "total_bytes": 0 }, "metadata": { "creators": [ { "affiliations": [ { "name": "OIM Orthopedie, ASSEN, Netherlands" } ], "person_or_org": { "family_name": "Kerkum", "given_name": "Y.L.", "name": "Kerkum, Y.L.", "type": "personal" } }, { "affiliations": [ { "name": "Amsterdam Movement Sciences- VU University, Human Movement Science, AMSTERDAM, Netherlands" } ], "person_or_org": { "family_name": "Houdijk", "given_name": "H.", "name": "Houdijk, H.", "type": "personal" } }, { "affiliations": [ { "name": "Amsterdam Movement Sciences- Academic Medical Center, dept. Rehabilitation, AMSTERDAM, Netherlands" } ], "person_or_org": { "family_name": "Brehm", "given_name": "M.A.", "name": "Brehm, M.A.", "type": "personal" } }, { "affiliations": [ { "name": "Amsterdam Movement Sciences- VU University medical center, dept Rehab. medicine, AMSTERDAM, Netherlands" } ], "person_or_org": { "family_name": "Buizer", "given_name": "A.I.", "name": "Buizer, A.I.", "type": "personal" } }, { "affiliations": [ { "name": "Delft University of Technology, Department of Biomechanical Engineering, DELFT, Netherlands" } ], "person_or_org": { "family_name": "Harlaar", "given_name": "J.", "name": "Harlaar, J.", "type": "personal" } } ], "description": "
PURPOSE: To investigate the Roll-Over Shape (RoS) of foot and ankle while walking with and without
\nAnkle-Foot Orthoses (AFOs) with different degrees of stiffness in children with Cerebral Palsy (CP) walking
\nwith excessive knee flexion.
\nMETHODS: 15 children with CP walking with excessive knee flexion were prescribed a ventral shell AFO
\nwith a rigid footplate and integrated ankle hinge of which stiffness could be varied. All participants walked
\nbarefoot (BF), with shoes only (Sh) and with AFO in a rigid (rAFO), stiff (sAFO) and flexible (fAFO) setting.
\nCentre of pressure (CoP) and shank kinematics of 3 steps of the most affected leg were collected. RoS
\nwas determined during single support, based on a circular fit of CoP data in the local reference frame of
\nthe shank. The radius (R) and arc length (Alength) were calculated and normalized for shank length.
\nRESULTS: Circular RoS fitting was possible for all subjects in BF, while in the other conditions some data
\ncould not be fitted, especially for sAFO (n=7) and rAFO (n=9). Compared to BF and Sh, mean(SD) R and
\nAlength increased significantly with an AFO (R: BF=0.32(0.18); Sh=0.31(0.19); fAFO=0.51(0.31);
\nsAFO=0.46(0.15); rAFO=0.41(0.32), Alength: BF=0.22(0.10); Sh=0.21(0.07); fAFO=0.24(0.08);
\nsAFO=0.26(0.06); rAFO=0.31(0.06)). RoS was translated backward in all conditions relative to the
\nbarefoot condition.
\nCONCLUSIONS: The backward shift of the RoS and increased R and Alength while walking with AFOs is
\nrelated to a decreased inclination of the shank. A larger R could thus indicate better shank alignment during
\nwalking. However, RoS could not be fitted in all cases, suggesting an absence of a circular RoS. As a
\nresult of the rigid footplate and restricted ankle range of motion, the second rocker motion and roll-over of
\nthe foot is lost in some cases with an AFO. Our data thus suggests that RoS analysis could be informative
\nof AFO behaviour and alignment in children with CP.
The RehabMove Congress will provide the state of the art science in, among other things, biomechatronics, motor control and exercise physiology of impaired movement and the restoration there-of, as well as assistive technology, healthy & adapted physical activity, Paralympic and adapted sports research. Internationally renowned experts will present their views on the current understanding-, and future of research and practice regarding these important themes.
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