{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T09:25:44Z","timestamp":1766049944886},"reference-count":37,"publisher":"Springer Science and Business Media LLC","issue":"7","license":[{"start":{"date-parts":[[2022,3,7]],"date-time":"2022-03-07T00:00:00Z","timestamp":1646611200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,3,7]],"date-time":"2022-03-07T00:00:00Z","timestamp":1646611200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"Universit\u00e4tsmedizin Rostock"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Orthop\u00e4die"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>Patellofemoral problems after total knee arthroplast (TKA) are frequent and often associated with a\u00a0change in the geometry of the trochlear groove.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Objective<\/jats:title>\n                <jats:p>The present study aimed to analyze the feasibility of intraoperative examination of the patellofemoral joint geometry before and after the implantation of bicondylar total knee replacements without exposing the patient to radiation.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Material and methods<\/jats:title>\n                <jats:p>The patellofemoral joint morphology geometries of 33\u00a0patients before and after implantation of a\u00a0bicondylar total knee replacement was intraoperatively analyzed using a digital scanning method. Femoral surface geometries were extracted from intraoperatively recorded tactile scanning data using an in-house algorithm. The geometries were then characterized by sulcus height, medial femoral condyle height and lateral femoral condyle height.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Our preliminary results show that these key geometric parameters are only partially restored after TKA leading to a\u00a0distinctly different shaped profile of the anterior distal femur. Maximum and minimum mean differences in sulcus height, medial femoral condyle height, and lateral femoral condyle height before and after surgery were 2.00\u202fmm\/\u22123.06\u202fmm, 2.51\u202fmm\/\u22126.25\u202fmm and 2.74\u202fmm\/\u22123.58\u202fmm, respectively.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>A\u00a0new method for intraoperative analysis of the patellofemoral joint morphology before and after TKA without radiation exposure was developed and utilized. Even with the use of modern total knee designs, the patellofemoral articulation is considerably changed postoperatively as quantified by the key parameters of sulcus height, medial femoral condyle height, and lateral femoral condyle height. This may result in altered knee biomechanics and might explain persistent patellofemoral disorders, which are often reported by patients after TKA.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00132-022-04224-x","type":"journal-article","created":{"date-parts":[[2022,3,7]],"date-time":"2022-03-07T13:03:16Z","timestamp":1646658196000},"page":"580-589","update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Intraoperative analysis of patellofemoral joint morphology before and after total knee arthroplasty"],"prefix":"10.1007","volume":"51","author":[{"given":"Maeruan","family":"Kebbach","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Enrico","family":"Mick","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephan","family":"Kirschner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joerg","family":"Luetzner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rainer","family":"Bader","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,3,7]]},"reference":[{"key":"4224_CR1","doi-asserted-by":"publisher","first-page":"170","DOI":"10.1097\/00003086-199302000-00027","volume":"287","author":"YS Anouchi","year":"1993","unstructured":"Anouchi\u00a0YS, Whiteside\u00a0LA, Kaiser\u00a0AD, Milliano\u00a0MT (1993) The effects of axial rotational alignment of the femoral component on knee stability and patellar tracking in total knee arthroplasty demonstrated on autopsy specimens. Clin Orthop Relat Res 287:170\u2013177","journal-title":"Clin Orthop Relat Res"},{"key":"4224_CR2","doi-asserted-by":"publisher","first-page":"1049","DOI":"10.1007\/s00590-020-02666-7","volume":"30","author":"P Antinolfi","year":"2020","unstructured":"Antinolfi\u00a0P, Manfreda\u00a0F, Ricchiuto\u00a0I, Petruccelli\u00a0R, Caraffa\u00a0A (2020) Role of positioning of femoral component in the anterior-posterior direction on postoperative anterior pain in TKA. Eur J Orthop Surg Traumatol 30:1049\u20131056","journal-title":"Eur J Orthop Surg Traumatol"},{"key":"4224_CR3","doi-asserted-by":"publisher","first-page":"545","DOI":"10.1016\/j.knee.2018.04.005","volume":"25","author":"M Asseln","year":"2018","unstructured":"Asseln\u00a0M, H\u00e4nisch\u00a0C, Schick\u00a0F, Radermacher\u00a0K (2018) Gender differences in knee morphology and the prospects for implant design in total knee replacement. Knee 25:545\u2013558","journal-title":"Knee"},{"key":"4224_CR4","doi-asserted-by":"publisher","first-page":"184","DOI":"10.1007\/s00167-006-0158-y","volume":"15","author":"M Barink","year":"2007","unstructured":"Barink\u00a0M, Meijerink\u00a0H, Verdonschot\u00a0N, van Kampen\u00a0A, de Waal Malefijt\u00a0M (2007) Asymmetrical total knee arthroplasty does not improve patella tracking: a\u00a0study without patella resurfacing. Knee Surg Sports Traumatol Arthrosc 15:184\u2013191","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR5","first-page":"253","volume":"46","author":"M Biscevi\u0107","year":"2005","unstructured":"Biscevi\u0107\u00a0M, Tomi\u0107\u00a0D, Starc\u00a0V, Smrke\u00a0D (2005) Gender differences in knee kinematics and its possible consequences. Croat Med\u00a0J 46:253\u2013260","journal-title":"Croat Med J"},{"key":"4224_CR6","doi-asserted-by":"publisher","first-page":"1777","DOI":"10.1007\/s00264-011-1226-6","volume":"35","author":"F Borrione","year":"2011","unstructured":"Borrione\u00a0F, Bonnevialle\u00a0P, Mabit\u00a0C, Guingand\u00a0O, Bertin\u00a0D, Bonnomet\u00a0F, Denis\u00a0C, Gagna\u00a0G (2011) Scorpio single radius total knee arthroplasty. A minimal five-year follow-up multicentric study. Int Orthop 35:1777\u20131782","journal-title":"Int Orthop"},{"key":"4224_CR7","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-016-4236-5","author":"S Chen","year":"2016","unstructured":"Chen\u00a0S, Du\u00a0Z, Yan\u00a0M, Yue\u00a0B, Wang\u00a0Y (2016) Morphological classification of the femoral trochlear groove based on a\u00a0quantitative measurement of computed tomographic models. Knee Surg Sports Traumatol Arthrosc. https:\/\/doi.org\/10.1007\/s00167-016-4236-5","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR8","doi-asserted-by":"publisher","first-page":"260","DOI":"10.1097\/00003086-200209000-00026","volume":"402","author":"RP Csintalan","year":"2002","unstructured":"Csintalan\u00a0RP, Schulz\u00a0MM, Woo\u00a0J, McMahon\u00a0PJ, Lee\u00a0TQ (2002) Gender differences in patellofemoral joint biomechanics. Clin Orthop Relat Res 402:260\u2013269","journal-title":"Clin Orthop Relat Res"},{"key":"4224_CR9","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1186\/s12891-017-1529-x","volume":"18","author":"Z Du","year":"2017","unstructured":"Du\u00a0Z, Chen\u00a0S, Yan\u00a0M, Yue\u00a0B, Wang\u00a0Y (2017) Differences between native and prosthetic knees in terms of cross-sectional morphology of the femoral trochlea: a\u00a0study based on three-dimensional models and virtual total knee arthroplasty. BMC Musculoskelet Disord 18:166","journal-title":"BMC Musculoskelet Disord"},{"key":"4224_CR10","doi-asserted-by":"crossref","first-page":"620\u20132","DOI":"10.1007\/s00132-007-1112-5","volume":"36","author":"R von Eisenhart-Rothe","year":"2007","unstructured":"von Eisenhart-Rothe\u00a0R, Vogl\u00a0T, Englmeier\u00a0K\u2011H, Dennis\u00a0DA (2007) Knieprothesenkinematik. In-vivo-Analysetechniken und Ergebnisse (TKA kinematics. In vivo techniques and results). Orthopade 36:620\u20132\u2013624\u20137","journal-title":"Orthopade"},{"key":"4224_CR11","doi-asserted-by":"publisher","DOI":"10.5277\/ABB-00405-2015-03","author":"G Hajduk","year":"2016","unstructured":"Hajduk\u00a0G, Nowak\u00a0K, Sobota\u00a0G, Kusz\u00a0D, Kope\u0107\u00a0K, B\u0142aszczak\u00a0E, Cieli\u0144ski \u0141, Bacik\u00a0B (2016) Kinematic gait parameters changes in patients after total knee arthroplasty. Comparison between cruciate-retaining and posterior-substituting design. Acta Bioeng Biomech. https:\/\/doi.org\/10.5277\/ABB-00405-2015-03","journal-title":"Acta Bioeng Biomech"},{"key":"4224_CR12","doi-asserted-by":"publisher","first-page":"730","DOI":"10.1053\/jars.2002.32839","volume":"18","author":"K Hjelle","year":"2002","unstructured":"Hjelle\u00a0K, Solheim\u00a0E, Strand\u00a0T, Muri\u00a0R, Brittberg\u00a0M (2002) Articular cartilage defects in 1,000 knee arthroscopies. Arthroscopy 18:730\u2013734","journal-title":"Arthroscopy"},{"key":"4224_CR13","doi-asserted-by":"publisher","DOI":"10.1055\/s-0040-1716413","author":"ML Hull","year":"2020","unstructured":"Hull\u00a0ML, Howell\u00a0SM (2020) Differences in trochlear morphology from native using a\u00a0femoral component interfaced with an anatomical patellar prosthesis in kinematic alignment and mechanical alignment. J\u00a0Knee Surg. https:\/\/doi.org\/10.1055\/s-0040-1716413","journal-title":"J Knee Surg"},{"key":"4224_CR14","doi-asserted-by":"publisher","first-page":"782","DOI":"10.1007\/s11999-009-1156-4","volume":"468","author":"F Iranpour","year":"2010","unstructured":"Iranpour\u00a0F, Merican\u00a0AM, Dandachli\u00a0W, Amis\u00a0AA, Cobb\u00a0JP (2010) The geometry of the trochlear groove. Clin Orthop Relat Res 468:782\u2013788","journal-title":"Clin Orthop Relat Res"},{"key":"4224_CR15","doi-asserted-by":"publisher","first-page":"2771","DOI":"10.1016\/j.arth.2021.03.007","volume":"36","author":"T Karachalios","year":"2021","unstructured":"Karachalios\u00a0T, Komnos\u00a0G, Hantes\u00a0M, Varitimidis\u00a0S (2021) Evaluating the \u201cpatella-friendly\u201d concept in total knee arthroplasty: a minimum 15-year follow-up outcome study comparing constant radius, multiradius cruciate-retaining, and nonanatomical cruciate-retaining implants. J\u00a0Arthroplasty 36:2771\u20132778","journal-title":"J Arthroplasty"},{"key":"4224_CR16","doi-asserted-by":"publisher","first-page":"56","DOI":"10.1302\/0301-620X.94B1.27514","volume":"94","author":"S Kawahara","year":"2012","unstructured":"Kawahara\u00a0S, Matsuda\u00a0S, Fukagawa\u00a0S, Mitsuyasu\u00a0H, Nakahara\u00a0H, Higaki\u00a0H, Shimoto\u00a0T, Iwamoto\u00a0Y (2012) Upsizing the femoral component increases patellofemoral contact force in total knee replacement. J\u00a0Bone Joint Surg Br 94:56\u201361","journal-title":"J Bone Joint Surg Br"},{"key":"4224_CR17","doi-asserted-by":"publisher","first-page":"780","DOI":"10.2106\/00004623-200704000-00012","volume":"89","author":"S Kurtz","year":"2007","unstructured":"Kurtz\u00a0S, Ong\u00a0K, Lau\u00a0E, Mowat\u00a0F, Halpern\u00a0M (2007) Projections of primary and revision hip and knee arthroplasty in the United States from 2005 to 2030. J\u00a0Bone Joint Surg Am 89:780\u2013785","journal-title":"J Bone Joint Surg Am"},{"key":"4224_CR18","doi-asserted-by":"publisher","first-page":"529","DOI":"10.1016\/j.knee.2013.12.001","volume":"21","author":"P Li","year":"2014","unstructured":"Li\u00a0P, Tsai\u00a0T\u2011Y, Li\u00a0J\u2011S, Wang\u00a0S, Zhang\u00a0Y, Kwon\u00a0Y\u2011M, Rubash\u00a0HE, Li\u00a0G (2014) Gender analysis of the anterior femoral condyle geometry of the knee. Knee 21:529\u2013533","journal-title":"Knee"},{"key":"4224_CR19","doi-asserted-by":"publisher","first-page":"1504","DOI":"10.1007\/s00167-018-5220-z","volume":"27","author":"R Lozano","year":"2019","unstructured":"Lozano\u00a0R, Campanelli\u00a0V, Howell\u00a0S, Hull\u00a0M (2019) Kinematic alignment more closely restores the groove location and the sulcus angle of the native trochlea than mechanical alignment: implications for prosthetic design. Knee Surg Sports Traumatol Arthrosc 27:1504\u20131513","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR20","doi-asserted-by":"publisher","first-page":"438","DOI":"10.1016\/S0268-0033(01)00019-5","volume":"16","author":"RA Malinzak","year":"2001","unstructured":"Malinzak\u00a0RA, Colby\u00a0SM, Kirkendall\u00a0DT, Yu\u00a0B, Garrett\u00a0WE (2001) A comparison of knee joint motion patterns between men and women in selected athletic tasks. Clin Biomech 16:438\u2013445","journal-title":"Clin Biomech"},{"key":"4224_CR21","doi-asserted-by":"publisher","first-page":"57","DOI":"10.1503\/cjs.001617","volume":"62","author":"J Matz","year":"2019","unstructured":"Matz\u00a0J, Lanting\u00a0BA, Howard\u00a0JL (2019) Understanding the patellofemoral joint in total knee arthroplasty. Can J Surg 62:57\u201365","journal-title":"Can J Surg"},{"key":"4224_CR22","doi-asserted-by":"publisher","first-page":"386","DOI":"10.1007\/s00132-016-3256-7","volume":"45","author":"R Michalik","year":"2016","unstructured":"Michalik\u00a0R, Rath\u00a0B, Springorum\u00a0H\u2011R, L\u00fcring\u00a0C, Tingart\u00a0M (2016) Vorderer Knieschmerz nach Knie-TEP-Implantation: Ursachen, Diagnostik und Therapie (Anterior knee pain after total knee arthroplasty: causes, diagnosis and treatment). Orthopade 45:386\u2013398","journal-title":"Orthopade"},{"key":"4224_CR23","doi-asserted-by":"publisher","first-page":"35","DOI":"10.1097\/01.blo.0000238825.63648.1e","volume":"452","author":"PC Noble","year":"2006","unstructured":"Noble\u00a0PC, Conditt\u00a0MA, Cook\u00a0KF, Mathis\u00a0KB (2006) The John Insall Award: Patient expectations affect satisfaction with total knee arthroplasty. Clin Orthop Relat Res 452:35\u201343","journal-title":"Clin Orthop Relat Res"},{"key":"4224_CR24","doi-asserted-by":"publisher","first-page":"2342","DOI":"10.1007\/s00167-014-3186-z","volume":"22","author":"V Pinskerova","year":"2014","unstructured":"Pinskerova\u00a0V, Nemec\u00a0K, Landor\u00a0I (2014) Gender differences in the morphology of the trochlea and the distal femur. Knee Surg Sports Traumatol Arthrosc 22:2342\u20132349","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR25","unstructured":"Rosso I, Surace C, Antonaci P, Surace F, Negretto RJ (2018) Influence of the patellar button thickness on the knee flexion after total knee arthroplasty. Acta Bioeng Biomech 20(4):121\u2013134"},{"key":"4224_CR26","doi-asserted-by":"publisher","first-page":"1799","DOI":"10.1007\/s00167-015-3565-0","volume":"23","author":"M Saffarini","year":"2015","unstructured":"Saffarini\u00a0M, Zaffagnini\u00a0S, Bignozzi\u00a0S, Colle\u00a0F, Marcacci\u00a0M, Dejour\u00a0D (2015) Does patellofemoral geometry in TKA affect patellar position in mid-flexion? Knee Surg Sports Traumatol Arthrosc 23:1799\u20131807","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR27","doi-asserted-by":"publisher","first-page":"300","DOI":"10.1007\/s00167-003-0414-3","volume":"12","author":"Y-F Shih","year":"2004","unstructured":"Shih\u00a0Y\u2011F, Bull\u00a0AMJ, Amis\u00a0AA (2004) The cartilaginous and osseous geometry of the femoral trochlear groove. Knee Surg Sports Traumatol Arthrosc 12:300\u2013306","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR28","first-page":"907\u201311","volume":"40","author":"H-R Springorum","year":"2011","unstructured":"Springorum\u00a0H\u2011R, Rath\u00a0B, Baier\u00a0C, Lechler\u00a0P, L\u00fcring\u00a0C, Grifka\u00a0J (2011) Patellofemoraler Schmerz nach prim\u00e4rer Knieendoprothetik: Behandlungsalgorithmus und Literatur\u00fcberblick (Patellofemoral pain after total knee arthroplasty: clinical pathway and review of the literature). Orthopade 40:907\u201311\u20139914\u20136","journal-title":"Orthopade"},{"key":"4224_CR29","doi-asserted-by":"publisher","first-page":"848, 850","DOI":"10.1007\/s00132-011-1773-y","volume":"40","author":"A Steinbr\u00fcck","year":"2011","unstructured":"Steinbr\u00fcck\u00a0A, Milz\u00a0S, Woiczinski\u00a0M, Schr\u00f6der\u00a0C, Utzschneider\u00a0S, Jansson\u00a0V, Fottner\u00a0A (2011) Anatomie und Biomechanik des Patellofemoralgelenks. Physiologische Gegebenheiten und Ver\u00e4nderungen nach Implantation einer Knietotalendoprothese (Anatomy and biomechanics of the patellofemoral joint: physiological conditions and changes after total knee arthroplasty). Orthopade 40:848, 850\u2013842, 854","journal-title":"Orthopade"},{"key":"4224_CR30","doi-asserted-by":"publisher","first-page":"58","DOI":"10.1186\/1475-925X-12-58","volume":"12","author":"A Steinbr\u00fcck","year":"2013","unstructured":"Steinbr\u00fcck\u00a0A, Schr\u00f6der\u00a0C, Woiczinski\u00a0M, Fottner\u00a0A, M\u00fcller\u00a0PE, Jansson\u00a0V (2013) Patellofemoral contact patterns before and after total knee arthroplasty: an in vitro measurement. BioMed Eng OnLine 12:58","journal-title":"BioMed Eng OnLine"},{"key":"4224_CR31","doi-asserted-by":"publisher","first-page":"280","DOI":"10.1016\/j.arth.2016.06.044","volume":"32","author":"H Tanikawa","year":"2017","unstructured":"Tanikawa\u00a0H, Tada\u00a0M, Harato\u00a0K, Okuma\u00a0K, Nagura\u00a0T (2017) Influence of total knee arthroplasty on patellar kinematics and patellofemoral pressure. J\u00a0Arthroplasty 32:280\u2013285","journal-title":"J Arthroplasty"},{"key":"4224_CR32","doi-asserted-by":"publisher","first-page":"688","DOI":"10.1302\/0301-620X.88B5.16866","volume":"88","author":"AL van Huyssteen","year":"2006","unstructured":"van Huyssteen\u00a0AL, Hendrix\u00a0MRG, Barnett\u00a0AJ, Wakeley\u00a0CJ, Eldridge\u00a0JDJ (2006) Cartilage-bone mismatch in the dysplastic trochlea. An MRI study. J\u00a0Bone Joint Surg Br 88:688\u2013691","journal-title":"J Bone Joint Surg Br"},{"key":"4224_CR33","doi-asserted-by":"publisher","first-page":"3668","DOI":"10.1007\/s00167-014-3415-5","volume":"24","author":"H Vandenneucker","year":"2016","unstructured":"Vandenneucker\u00a0H, Labey\u00a0L, Vander Sloten\u00a0J, Desloovere\u00a0K, Bellemans\u00a0J (2016) Isolated patellofemoral arthroplasty reproduces natural patellofemoral joint kinematics when the patella is resurfaced. Knee Surg Sports Traumatol Arthrosc 24:3668\u20133677","journal-title":"Knee Surg Sports Traumatol Arthrosc"},{"key":"4224_CR34","doi-asserted-by":"publisher","first-page":"274","DOI":"10.1016\/j.arth.2009.12.009","volume":"26","author":"KM Varadarajan","year":"2011","unstructured":"Varadarajan\u00a0KM, Rubash\u00a0HE, Li\u00a0G (2011) Are current total knee arthroplasty implants designed to restore normal trochlear groove anatomy? J\u00a0Arthroplasty 26:274\u2013281","journal-title":"J Arthroplasty"},{"key":"4224_CR35","doi-asserted-by":"publisher","first-page":"39","DOI":"10.1054\/arth.2003.50102","volume":"18","author":"KG Vince","year":"2003","unstructured":"Vince\u00a0KG (2003) Why knees fail. J\u00a0Arthroplasty 18:39\u201344","journal-title":"J Arthroplasty"},{"key":"4224_CR36","doi-asserted-by":"publisher","first-page":"746","DOI":"10.1302\/0301-620X.89B6.18514","volume":"89","author":"Y Yamada","year":"2007","unstructured":"Yamada\u00a0Y, Toritsuka\u00a0Y, Yoshikawa\u00a0H, Sugamoto\u00a0K, Horibe\u00a0S, Shino\u00a0K (2007) Morphological analysis of the femoral trochlea in patients with recurrent dislocation of the patella using three-dimensional computer models. J\u00a0Bone Joint Surg Br 89:746\u2013751","journal-title":"J Bone Joint Surg Br"},{"key":"4224_CR37","doi-asserted-by":"publisher","first-page":"283","DOI":"10.1515\/bmt-2011-0094","volume":"57","author":"F Zimmermann","year":"2012","unstructured":"Zimmermann\u00a0F, Schwenninger\u00a0C, Nolten\u00a0U, Firmbach\u00a0FP, Elfring\u00a0R, Radermacher\u00a0K (2012) A new approach to implant alignment and ligament balancing in total knee arthroplasty focussing on joint loads. Biomed Tech 57:283\u2013291","journal-title":"Biomed Tech"}],"container-title":["Die Orthop\u00e4die"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00132-022-04224-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00132-022-04224-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00132-022-04224-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,7,1]],"date-time":"2022-07-01T08:04:20Z","timestamp":1656662660000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00132-022-04224-x"}},"subtitle":["A\u00a0feasibility study"],"short-title":[],"issued":{"date-parts":[[2022,3,7]]},"references-count":37,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2022,7]]}},"alternative-id":["4224"],"URL":"https:\/\/doi.org\/10.1007\/s00132-022-04224-x","relation":{},"ISSN":["2731-7145","2731-7153"],"issn-type":[{"value":"2731-7145","type":"print"},{"value":"2731-7153","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,3,7]]},"assertion":[{"value":"1 February 2022","order":1,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"7 March 2022","order":2,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"M.\u00a0Kebbach, E.\u00a0Mick, S.\u00a0Kirschner, J.\u00a0Luetzner and R.\u00a0Bader declare that they have no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"For this article no studies with human participants or animals were performed by any of the authors. All studies performed were in accordance with the ethical standards indicated in each case.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical standards."}}]}}