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Review Article| Volume 28, ISSUE 1, P115-128, March 2023

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Definitions and Measurements of Hindfoot Alignment and Their Biomechanical and Clinical Implications

Published:January 02, 2023DOI:https://doi.org/10.1016/j.fcl.2022.11.002

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      References

        • Wu G.
        • Siegler S.
        • Allard P.
        • et al.
        ISB recommendation on definitions of joint coordinate system of various joints for the reporting of human joint motion--part I: ankle, hip, and spine. International Society of Biomechanics.
        J Biomech. 2002; 35: 543-548
        • Bernasconi A.
        • Najefi A.A.
        • Goldberg A.J.
        Comparison of mechanical axis of the limb versus anatomical axis of the tibia for assessment of tibiotalar alignment in end-stage ankle arthritis.
        Foot Ankle Int. 2021; 42: 616-623
        • Knupp M.
        • Stufkens S.
        • van Bergen C.
        • et al.
        Effect of supramalleolar varus and valgus deformities on the tibiotalar joint: a cadaveric study.
        Foot Ankle Int. 2011; 32: 609-615
        • Liu H.
        • Sugamoto K.
        • Itohara T.
        • et al.
        In vivo three-dimensional skeletal alignment analysis of the hindfoot valgus deformity in patients with rheumatoid arthritis.
        J Orthop Res. 2007; 25: 330-339
        • Mitsui H.
        • Hirano T.
        • Yui A.
        • et al.
        Relations of ankle alignment and MRI findings of ankle osteoarthritis.
        Foot Ankle Orthopaedics. 2017; 2
        • Barg A.
        • Pagenstert G.
        • Hügle T.
        • et al.
        Ankle osteoarthritis: etiology, diagnostics, and classification.
        Foot Ankle Clin. 2013; 18: 411-426
        • Kvarda P.
        • Heisler L.
        • Krähenbühl N.
        • et al.
        3D assessment in posttraumatic ankle osteoarthritis.
        Foot Ankle Int. 2021; 42: 200-214
        • Lee G.W.
        • Wang S.H.
        • Lee K.B.
        Comparison of intermediate to long-term outcomes of total ankle arthroplasty in ankles with preoperative varus, valgus, and neutral alignment.
        J Bone Joint Surg Am. 2018; 100: 835-842
        • Lintz F.
        • Bernasconi A.
        • Mehdi N.
        • et al.
        Weightbearing CT Analysis of Hindfoot Alignment in Chronic Lateral Ankle Instability: a Multivariate Analysis of 124 Feet..
        Foot Ankle Orthopaedics. 2017; 2
        • Van Bergeyk A.B.
        • Younger A.
        • Carson B.
        CT analysis of hindfoot alignment in chronic lateral ankle instability.
        Foot Ankle Int. 2002; 23: 37-42
        • Lintz F.
        • Bernasconi A.
        • Baschet L.
        • et al.
        Relationship Between Chronic Lateral Ankle Instability and Hindfoot Varus Using Weight-Bearing Cone Beam Computed Tomography.
        Foot Ankle Int. 2019; 40: 1175-1181
        • Mann R.A.
        • Thompson F.M.
        Rupture of the posterior tibial tendon causing flat foot. Surgical treatment.
        J Bone Joint Surg Am. 1985; 67: 556-561
        • Sturbois-Nachef N.
        • Allart E.
        • Grauwin M.Y.
        • et al.
        Tibialis posterior transfer for foot drop due to central causes: Long-term hindfoot alignment.
        Orthop Traumatol Surg Res. 2019; 105: 153-158
        • Zhang Y.
        • Xu J.
        • Wang X.
        • et al.
        An in vivo study of hindfoot 3D kinetics in stage II posterior tibial tendon dysfunction (PTTD) flatfoot based on weight-bearing CT scan.
        Bone Joint Res. 2013; 2: 255-263
        • Paul J.
        • Hinterwimmer S.
        • Vavken P.
        • et al.
        [Association between Hindfoot Alignment and Localisation of Osteochondral Lesions of the Talus].
        Z Orthop Unfall. 2014; 152: 389-392
        • Arangio G.
        • Rogman A.
        • Reed 3rd, J.F.
        Hindfoot alignment valgus moment arm increases in adult flatfoot with Achilles tendon contracture.
        Foot Ankle Int. 2009; 30: 1078-1082
        • Arunakul M.
        • Amendola A.
        • Gao Y.
        • et al.
        Tripod index: a new radiographic parameter assessing foot alignment.
        Foot Ankle Int. 2013; 34: 1411-1420
        • Baverel L.
        • Brilhault J.
        • Odri G.
        • et al.
        Influence of lower limb rotation on hindfoot alignment using a conventional two-dimensional radiographic technique.
        Foot Ankle Surg. 2017; 23: 44-49
        • Benedetti M.G.
        • Berti L.
        • Straudi S.
        • et al.
        Clinicoradiographic assessment of flexible flatfoot in children.
        J Am Podiatr Med Assoc. 2010; 100: 463-471
        • de Cesar Netto C.
        • Bernasconi A.
        • Roberts L.
        • et al.
        Foot alignment in symptomatic national basketball association players using weightbearing cone beam computed tomography.
        Orthop J Sports Med. 2019; 7 (2325967119826081)
        • Hastings M.K.
        • Sinacore D.R.
        • Mercer-Bolton N.
        • et al.
        Precision of foot alignment measures in Charcot arthropathy.
        Foot Ankle Int. 2011; 32: 867-872
        • Iyengar K.P.
        • Azzopardi C.A.
        • Fitzpatrick J.
        • et al.
        Calcaneal offset index to measure hindfoot alignment in pes planus.
        Skeletal Radiol. 2022; 51: 1631-1637
        • Bernasconi A.
        • Cooper L.
        • Lyle S.
        • et al.
        Intraobserver and interobserver reliability of cone beam weightbearing semi-automatic three-dimensional measurements in symptomatic pes cavovarus.
        Foot Ankle Surg. 2020; 26: 564-572
        • Burssens A.
        • Peeters J.
        • Buedts K.
        • et al.
        Measuring hindfoot alignment in weight bearing CT: a novel clinical relevant measurement method.
        Foot Ankle Surg. 2016; 22: 233-238
        • Lamm B.M.
        • Mendicino R.W.
        • Catanzariti A.R.
        • et al.
        Static rearfoot alignment: a comparison of clinical and radiographic measures.
        J Am Podiatr Med Assoc. 2005; 95: 26-33
        • Lamm B.M.
        • Stasko P.A.
        • Gesheff M.G.
        • et al.
        Normal foot and ankle radiographic angles, measurements, and reference points.
        J Foot Ankle Surg. 2016; 55: 991-998
        • Lee J.
        • Lee H.S.
        • Kim J.W.
        • et al.
        Radiographic parameters of the normal ankle syndesmosis: Comparison between hindfoot alignment view and anteroposterior view.
        J Int Med Res. 2022; 50 (3000605221098862)
        • Lobo C.F.T.
        • Pires E.A.
        • Bordalo-Rodrigues M.
        • et al.
        Imaging of progressive collapsing foot deformity with emphasis on the role of weightbearing cone beam CT.
        Skeletal Radiol. 2022; 51: 1127-1141
        • Robinson I.
        • Dyson R.
        • Halson-Brown S.
        Reliability of clinical and radiographic measurement of rearfoot alignment in a patient population.
        The Foot. 2001; 11: 2-9
        • Rojas E.O.
        • Barbachan Mansur N.S.
        • Dibbern K.
        • et al.
        Weightbearing computed tomography for assessment of foot and ankle deformities: the iowa experience.
        Iowa Orthop J. 2021; 41: 111-119
        • Sutter R.
        • Pfirrmann C.W.
        • Espinosa N.
        • et al.
        Three-dimensional hindfoot alignment measurements based on biplanar radiographs: comparison with standard radiographic measurements.
        Skeletal Radiol. 2013; 42: 493-498
        • Wang B.
        • Saltzman C.L.
        • Chalayon O.
        • et al.
        Does the subtalar joint compensate for ankle malalignment in end-stage ankle arthritis?.
        Clin Orthop Relat Res. 2015; 473: 318-325
        • Tuijthof G.J.
        • Herder J.L.
        • Scholten P.E.
        • et al.
        Measuring alignment of the hindfoot.
        J Biomech Eng. 2004; 126: 357-362
        • Neri T.
        • Barthelemy R.
        • Tourne Y.
        Radiologic analysis of hindfoot alignment: comparison of Meary, long axial, and hindfoot alignment views.
        Orthop Traumatol Surg Res. 2017; 103: 1211-1216
        • Reilingh M.L.
        • Beimers L.
        • Tuijthof G.J.M.
        • et al.
        Measuring hindfoot alignment radiographically: the long axial view is more reliable than the hindfoot alignment view.
        Skeletal Radiol. 2010; 39: 1103-1108
        • Haldar A.
        • Bernasconi A
        • Junaid S.E
        • et al.
        3D imaging for hindfoot alignment assessment: a comparative study between non-weight-bearing MRI and weight-bearing CT.
        Skeletal Radiol. 2021; 50: 179-188
        • Lintz F.
        • Welck M.
        • Bernasconi A.
        • et al.
        3D Biometrics for Hindfoot Alignment Using Weightbearing CT.
        Foot Ankle Int. 2017; 38: 684-689
        • Zhang J.Z.
        • Lintz F.
        • Bernasconi A.
        • et al.
        3D Biometrics for hindfoot alignment using weightbearing computed tomography.
        Foot Ankle Int. 2019; 40: 720-726
        • Haight H.J.
        • Dahm D.L.
        • Smith J.
        • et al.
        Measuring standing hindfoot alignment: reliability of goniometric and visual measurements.
        Arch Phys Med Rehabil. 2005; 86: 571-575
        • Ohnishi T.
        • Hida M.
        • Nagasaki T.
        • et al.
        Reliability of laser-assisted hindfoot alignment evaluation.
        J Phys Ther Sci. 2020; 32: 38-41
        • Ohnishi T.
        • Hida M.
        • Nakamura Y.
        • et al.
        Novel method for evaluation of hindfoot alignment in weight-bearing position using laser beam.
        J Phys Ther Sci. 2018; 30: 474-478
        • Kranzl A.
        • Karoline S.
        • Margit G.
        Influence of walking speed on foot angles in healthy adults using the Oxford foot model.
        Gait Posture. 2019; 73: 437-438
        • Schallig W.
        • van den Noort J.C.
        • McCahill J.
        • et al.
        Comparing the kinematic output of the Oxford and Rizzoli Foot Models during normal gait and voluntary pathological gait in healthy adults.
        Gait Posture. 2020; 82: 126-132
        • Wright C.J.
        • Arnold B.L.
        • Coffey T.G.
        • et al.
        Repeatability of the modified Oxford foot model during gait in healthy adults.
        Gait Posture. 2011; 33: 108-112
        • Carrara C.
        • Caravaggi P.
        • Belvedere C.
        • et al.
        Radiographic angular measurements of the foot and ankle in weight-bearing: A literature review.
        Foot Ankle Surg. 2020; 26: 509-517
        • Choi J.Y.
        • Lee H.I.
        • Kim J.H.
        • et al.
        Radiographic measurements on hindfoot alignment view in 1128 asymptomatic subjects.
        Foot Ankle Surg. 2021; 27: 366-370
        • Harper M.C.
        Stress radiographs in the diagnosis of lateral instability of the ankle and hindfoot.
        Foot Ankle. 1992; 13: 435-438
        • Johnson T.M.
        • Hentges M.J.
        • McMillen R.L.
        • et al.
        Effect of the first tarsometatarsal (modified lapidus) arthrodesis on hindfoot alignment.
        J Foot Ankle Surg. 2021; 60: 318-321
        • Mendicino R.W.
        • Catanzariti A.R.
        • John S.
        • et al.
        Long leg calcaneal axial and hindfoot alignment radiographic views for frontal plane assessment.
        J Am Podiatr Med Assoc. 2008; 98: 75-78
        • Tanaka Y.
        • Takakura Y.
        • Fujii T.
        • et al.
        Hindfoot alignment of hallux valgus evaluated by a weightbearing subtalar x-ray view.
        Foot Ankle Int. 1999; 20: 640-645
        • Yang C.
        • Xu X.
        • Hu M.
        • et al.
        Optimization of hindfoot alignment radiography.
        Acta Radiol. 2017; 58: 719-725
        • Barg A.
        • Bailey T.
        • Richter M.
        • et al.
        Weightbearing computed tomography of the foot and ankle: emerging technology topical review.
        Foot Ankle Int. 2018; 39: 376-386
        • de Keijzer D.R.
        • Joling B.S.H.
        • Sierevelt I.N.
        • et al.
        Influence of preoperative tibiotalar alignment in the coronal plane on the survival of total ankle replacement: a systematic review.
        Foot Ankle Int. 2020; 41: 160-169
        • Lee J.H.
        • Rathod C.M.
        • Park H.
        • et al.
        Longitudinal observation of changes in the ankle alignment and tibiofibular relationships in hereditary multiple exostoses.
        Diagnostics (Basel). 2020; 10: 752-765
        • Carrara C.
        • Belvedere C.
        • Caravaggi P.
        • et al.
        Techniques for 3D foot bone orientation angles in weight-bearing from cone-beam computed tomography.
        Foot Ankle Surg. 2021; 27: 168-174
        • Carrino J.A.
        • Al Muhit A.
        • Zbijewski W.
        • et al.
        Dedicated cone-beam CT system for extremity imaging.
        Radiology. 2014; 270: 816-824
        • de Cesar Netto C.
        • Schon L.C.
        • Thawait G.K.
        • et al.
        Flexible adult acquired flatfoot deformity: comparison between weight-bearing and non-weight-bearing measurements using cone-beam computed tomography.
        J Bone Joint Surg Am. 2017; 99: e98
        • de Cesar Netto C.
        • Shakoor D.
        • Roberts L.
        • et al.
        Hindfoot alignment of adult acquired flatfoot deformity: a comparison of clinical assessment and weightbearing cone beam CT examinations.
        Foot Ankle Surg. 2019; 25: 790-797
        • Hamard M.
        • Neroladaki A.
        • Bagetakos I.
        • et al.
        Accuracy of cone-beam computed tomography for syndesmosis injury diagnosis compared to conventional computed tomography.
        Foot Ankle Surg. 2020; 26: 265-272
        • Pilania K.
        • Jankharia B.
        • Monoot P.
        Role of the weight-bearing cone-beam CT in evaluation of flatfoot deformity.
        Indian J Radiol Imaging. 2019; 29: 364-371
        • Posadzy M.
        • Desimpel J.
        • Vanhoenacker F.
        Cone beam CT of the musculoskeletal system: clinical applications.
        Insights Imaging. 2018; 9: 35-45
        • Shakoor D.
        • de Cesar Netto C.
        • Thawait G.K.
        • et al.
        Weight-bearing radiographs and cone-beam computed tomography examinations in adult acquired flatfoot deformity.
        Foot Ankle Surg. 2021; 27: 201-206
        • Wachowsky M.R.
        • et al.
        Comparing hindfoot alignment measurement techniques in weight-bearing CT (PedCAT) in children.
        Foot Ankle Surg. 2017; 23
        • Tuominen E.K.
        • Kankare J.
        • Koskinen S.K.
        • et al.
        Weight-bearing CT imaging of the lower extremity.
        AJR Am J Roentgenol. 2013; 200: 146-148
        • Burssens A.
        • Van Herzele E.
        • Leenders T.
        • et al.
        Weightbearing CT in normal hindfoot alignment - Presence of a constitutional valgus?.
        Foot Ankle Surg. 2018; 24: 213-218
        • Berlet G.C.
        • Penner MJ.
        • Lancianese S.
        • et al.
        Total ankle arthroplasty accuracy and reproducibility using preoperative CT scan-derived, patient-specific guides.
        Foot Ankle Int. 2014; 35: 665-676
        • Tsukeoka T.
        • Tsuneizumi Y.
        • Lee T.H.
        Accuracy of the second metatarsal as a landmark for the extramedullary tibial cutting guide in total knee arthroplasty.
        Knee Surg Sports Traumatol Arthrosc. 2014; 22: 2969-2974
        • Nosewicz T.L.
        • Knupp M.
        • Bolliger L.
        • et al.
        The reliability and validity of radiographic measurements for determining the three-dimensional position of the talus in varus and valgus osteoarthritic ankles.
        Skeletal Radiol. 2012; 41: 1567-1573
        • Saltzman C.L.
        • el-Khoury G.Y.
        The hindfoot alignment view.
        Foot Ankle Int. 1995; 16: 572-576
        • Williamson E.R.
        • Chan J.Y.
        • Burket J.C.
        • et al.
        New radiographic parameter assessing hindfoot alignment in stage II adult-acquired flatfoot deformity.
        Foot Ankle Int. 2015; 36: 417-423
        • Ippolito E.
        • Fraracci L.
        • Farsetti P.
        • et al.
        Validity of the anteroposterior talocalcaneal angle to assess congenital clubfoot correction.
        AJR Am J Roentgenol. 2004; 182: 1279-1282
        • Masquijo J.J.
        • Tourn D.
        • Torres-Gomez A.
        Reliability of the talocalcaneal angle for the evaluation of hindfoot alignment.
        Rev Esp Cir Ortop Traumatol (Engl Ed. 2019; 63: 20-23
        • Meyr A.J.
        • Sansosti L.E.
        • Ali S.
        A pictorial review of reconstructive foot and ankle surgery: evaluation and intervention of the flatfoot deformity.
        J Radiol Case Rep. 2017; 11: 26-36
        • Leardini A.
        • Durante S.
        • Belvedere C.
        • et al.
        Weight-bearing CT Technology in Musculoskeletal Pathologies of the Lower Limbs: Techniques, Initial Applications, and Preliminary Combinations with Gait-Analysis Measurements at the Istituto Ortopedico Rizzoli.
        Semin Musculoskelet Radiol. 2019; 23: 643-656
        • Buck F.M.
        • Hoffmann A.
        • Mamisch-Saupe N.
        • et al.
        Diagnostic performance of MRI measurements to assess hindfoot malalignment. An assessment of four measurement techniques.
        Eur Radiol. 2013; 23: 2594-2601
        • Kido M.
        • Ikoma K.
        • Imai K.
        • et al.
        Load response of the tarsal bones in patients with flatfoot deformity: in vivo 3D study.
        Foot Ankle Int. 2011; 32: 1017-1022
        • Ferri M.
        • Scharfenberger A.V.
        • Goplen G.
        • et al.
        Weightbearing CT scan of severe flexible pes planus deformities.
        Foot Ankle Int. 2008; 29: 199-204
        • Hirschmann A.
        • Pfirrmann C.W.
        • Klammer G.
        • et al.
        Upright cone CT of the hindfoot: comparison of the non-weight-bearing with the upright weight-bearing position.
        Eur Radiol. 2014; 24: 553-558
        • Lintz F.
        • Ricard C.
        • Mehdi N.
        • et al.
        Hindfoot alignment assessment by the foot-ankle offset: a diagnostic study.
        Arch Orthop Trauma Surg. 2022;
        • Pavani C.
        • Belvedere C.
        • Ortolani M.
        • et al.
        3D measurement techniques for the hindfoot alignment angle from weight-bearing CT in a clinical population.
        Sci Rep. 2022; 12: 16900
        • Rogati G.
        • Leardini A.
        • Ortolani M.
        • et al.
        Semi-automatic measurements of foot morphological parameters from 3D plantar foot scans.
        J Foot Ankle Res. 2021; 14: 18
        • Belvedere C.
        • Siegler S.
        • Fortunato A.
        • et al.
        New comprehensive procedure for custom-made total ankle replacements: medical imaging, joint modeling, prosthesis design, and 3D printing.
        J Orthop Res. 2019; 37: 760-768
        • Ortolani M.
        • Leardini A.
        • Pavani C.
        • et al.
        Angular and linear measurements of adult flexible flatfoot via weight-bearing CT scans and 3D bone reconstruction tools.
        Sci Rep. 2021; 11: 16139
        • Stolle J.
        • Lintz F.
        • de Cesar Netto C.
        • et al.
        Three-dimensional ankle, subtalar, and hindfoot alignment of the normal, weightbearing hindfoot, in bilateral posture.
        J Orthop Res. 2022; 40: 2430-2439
        • de Cesar Netto C.
        • Kunas GC.
        • Soukup D.
        • et al.
        Correlation of clinical evaluation and radiographic hindfoot alignment in stage II adult-acquired flatfoot deformity.
        Foot Ankle Int. 2018; 39: 771-779
        • Flores D.V.
        • Mejía Gómez C.
        • Fernández Hernando M.
        • et al.
        Adult acquired flatfoot deformity: anatomy, biomechanics, staging, and imaging findings.
        Radiographics. 2019; 39: 1437-1460
        • Barg A.
        • Elsner A.
        • Anderson A.E.
        • et al.
        The effect of three-component total ankle replacement malalignment on clinical outcome: pain relief and functional outcome in 317 consecutive patients.
        J Bone Joint Surg Am. 2011; 93: 1969-1978
        • Frigg A.
        • Nigg B.
        • Hinz L.
        • et al.
        Clinical relevance of hindfoot alignment view in total ankle replacement.
        Foot Ankle Int. 2010; 31: 871-879
        • Kuo C.C.
        • Lu H.L.
        • Leardini A.
        • et al.
        Three-dimensional computer graphics-based ankle morphometry with computerized tomography for total ankle replacement design and positioning.
        Clin Anat. 2014; 27: 659-668
        • Son H.S.
        • Choi J.G.
        • Ahn J.
        • et al.
        Hindfoot alignment change after total ankle arthroplasty for varus osteoarthritis.
        Foot Ankle Int. 2021; 42: 431-439
        • Usuelli F.G.
        • Maccario C.
        • Indino C.
        • et al.
        Evaluation of hindfoot alignment after fixed- and mobile-bearing total ankle prostheses.
        Foot Ankle Int. 2020; 41: 286-293
        • Yamasaki Y.
        • Maeyama A.
        • Miyazaki K.
        • et al.
        Evaluation of the hindfoot alignment before and after total knee arthroplasty.
        J Clin Orthop Trauma. 2022; 31: 101947
        • Choi J.Y.
        • Cha S.M.
        • Yeom J.W.
        • et al.
        Effect of the additional first ray osteotomy on hindfoot alignment after calcaneal osteotomy for the correction of mild-to-moderate adult type pes plano-valgus.
        J Orthop Surg (Hong Kong). 2017; 25 (2309499016684747)
        • Choi J.Y.
        • Song S.J.
        • Kim S.J.
        • et al.
        Changes in Hindfoot Alignment After High or Low Tibial Osteotomy.
        Foot Ankle Int. 2018; 39: 1097-1105
        • Lee W.C.
        • Moon J.S.
        • Lee H.S.
        • et al.
        Alignment of ankle and hindfoot in early stage ankle osteoarthritis.
        Foot Ankle Int. 2011; 32: 693-699
        • Miyazaki K.
        • Maeyama A.
        • Yoshimura I.
        • et al.
        Influence of hindfoot alignment on postoperative lower limb alignment in medial opening wedge high tibial osteotomy.
        Arch Orthop Trauma Surg. 2021;
        • Peiffer M.
        • Belvedere C.
        • Clockaerts S.
        • et al.
        Three-dimensional displacement after a medializing calcaneal osteotomy in relation to the osteotomy angle and hindfoot alignment.
        Foot Ankle Surg. 2020; 26: 78-84
        • Burssens A.
        • De Roos D.
        • Barg A.
        • et al.
        Alignment of the hindfoot in total knee arthroplasty: a systematic review of clinical and radiological outcomes.
        Bone Joint J. 2021; 103-B: 87-97
        • Butler J.J.
        • Mercer N.P.
        • Hurley E.T.
        • et al.
        Alignment of the hindfoot following total knee arthroplasty: a systematic review.
        World J Orthop. 2021; 12: 791-801
        • Hara Y.
        • Ikoma K.
        • Arai Y.
        • et al.
        Alteration of hindfoot alignment after total knee arthroplasty using a novel hindfoot alignment view.
        J Arthroplasty. 2015; 30: 126-129
        • Hintermann B.
        • Susdorf R.
        • Krähenbühl N.
        • et al.
        Axial rotational alignment in mobile-bearing total ankle arthroplasty.
        Foot Ankle Int. 2020; 41: 521-528
        • Mosca M.
        • Caravelli S.
        • Vocale E.
        • et al.
        Outcome after modified grice-green procedure (SAMBB) for arthritic acquired adult flatfoot.
        Foot Ankle Int. 2020; 41: 1404-1410
        • Jeon J.
        • Kim J.K.
        • Song S.H.
        • et al.
        Assessment of hindfoot alignment: intraoperative fluoroscopy versus standing radiograph.
        J Foot Ankle Surg. 2022; 61: 448-451
        • Matuszewski P.E.
        • Abbenhaus E.
        • Chen A.T.
        • et al.
        The effect of rotation on intraoperative fluoroscopic evaluation of hindfoot alignment and how to help prevent error.
        Bull Hosp Jt Dis (2013). 2020; 78: 250-254
        • Frigg A.
        • Jud L.
        • Valderrabano V.
        Intraoperative positioning of the hindfoot with the hindfoot alignment guide: a pilot study.
        Foot Ankle Int. 2014; 35: 56-62
        • Espinosa N.
        • Walti M.
        • Favre P.
        • et al.
        Misalignment of total ankle components can induce high joint contact pressures.
        J Bone Joint Surg Am. 2010; 92: 1179-1187
        • Queen R.M.
        • Adams Jr., S.B.
        • Viens N.A.
        • et al.
        Differences in outcomes following total ankle replacement in patients with neutral alignment compared with tibiotalar joint malalignment.
        J Bone Joint Surg Am. 2013; 95: 1927-1934
        • Cenni F.
        • Leardini A.
        • Cheli A.
        • et al.
        Position of the prosthesis components in total ankle replacement and the effect on motion at the replaced joint.
        Int Orthop. 2012; 36: 571-578
        • Chandler J.T.
        • Moskal J.T.
        Evaluation of knee and hindfoot alignment before and after total knee arthroplasty: a prospective analysis.
        J Arthroplasty. 2004; 19: 211-216
        • Claassen L.
        • Luedtke P.
        • Yao D.
        • et al.
        The geometrical axis of the talocrural joint-Suggestions for a new measurement of the talocrural joint axis.
        Foot Ankle Surg. 2019; 25: 371-377
        • Blair D.J.
        • Barg A.
        • Foreman K.B.
        • et al.
        Methodology for measurement of in vivo tibiotalar kinematics after total ankle replacement using dual fluoroscopy.
        Front Bioeng Biotechnol. 2020; 8: 375-387
        • Frigg A.
        • Nigg B.
        • Davis E.
        • et al.
        Does alignment in the hindfoot radiograph influence dynamic foot-floor pressures in ankle and tibiotalocalcaneal fusion?.
        Clin Orthop Relat Res. 2010; 468: 3362-3370
        • Wachowsky M.
        • D’Souza S.
        • Wirth T.
        • et al.
        O 052— Comparison of anatomical Tibia-Hindfoot-Alignment and Oxford-Foot-Model marker-set measurement in weight bearing CT - effect of adjustment in the static model.
        Gait Posture. 2018; 65: 107-109
        • Burssens A.B.M.
        • Buedts K.
        • Barg A.
        • et al.
        Is lower-limb alignment associated with hindfoot deformity in the coronal plane? A weightbearing ct analysis.
        Clin Orthop Relat Res. 2020; 478: 154-168
        • Dagneaux L.
        • Moroney P.
        • Maestro M.
        Reliability of hindfoot alignment measurements from standard radiographs using the methods of Meary and Saltzman.
        Foot Ankle Surg. 2019; 25: 237-241
        • Diao N.
        • Yu F.
        • Yang B.
        • et al.
        Association between changes in hip-knee-ankle angle and hindfoot alignment after total knee arthroplasty for varus knee osteoarthritis.
        BMC Musculoskelet Disord. 2021; 22: 610
        • Duggal N.
        • Paci G.M.
        • Narain A.
        • et al.
        A computer assessment of the effect of hindfoot alignment on mechanical axis deviation.
        Comput Methods Programs Biomed. 2014; 113: 126-132
        • Etani Y.
        • Hirao M.
        • Ebina K.
        • et al.
        Improvement of knee alignment and function after corrective surgery for hindfoot deformity: a report of 3 cases.
        JBJS Case Connect. 2022; 12
        • Hadi H.
        • Jabal Ameli M.
        • Bagherifard A.
        • et al.
        The effect of total knee arthroplasty on hindfoot alignment in patients with severe genu varum and genu valgum.
        Arch Bone Jt Surg. 2020; 8: 413-419
        • Hooper J.
        • Rozell J.
        • Walker P.S.
        • et al.
        The role of the hindfoot in total knee arthroplasty alignment.
        Bull Hosp Jt Dis (2013). 2020; 78: 65-73
        • Ikuta Y.
        • Nakasa T.
        • Fujishita H.
        • et al.
        An association between excessive valgus hindfoot alignment and postural stability during single-leg standing in adolescent athletes.
        BMC Sports Sci Med Rehabil. 2022; 14: 64
        • Lenz A.L.
        • Strobel M.A.
        • Anderson A.M.
        • et al.
        Assignment of local coordinate systems and methods to calculate tibiotalar and subtalar kinematics: a systematic review.
        J Biomech. 2021; 120: 110344
        • Nakada I.
        • Nakamura I.
        • Juji T.
        • et al.
        Correlation between knee and hindfoot alignment in patients with rheumatoid arthritis: the effects of subtalar joint destruction.
        Mod Rheumatol. 2015; 25: 689-693
        • Okamoto Y.
        • Otsuki S.
        • Jotoku T.
        • et al.
        Clinical usefulness of hindfoot assessment for total knee arthroplasty: persistent post-operative hindfoot pain and alignment in pre-existing severe knee deformity.
        Knee Surg Sports Traumatol Arthrosc. 2017; 25: 2632-2639
        • Bakshi N.
        • Steadman J.
        • Philippi M.
        • et al.
        Association between hindfoot alignment and first metatarsal rotation.
        Foot Ankle Int. 2022; 43: 105-112
        • Johnson J.E.
        • Lamdan R.
        • Granberry W.F.
        • et al.
        Hindfoot coronal alignment: a modified radiographic method.
        Foot Ankle Int. 1999; 20: 818-825
        • Barg A.
        • Amendola R.L.
        • Henninger H.B.
        • et al.
        Influence of ankle position and radiographic projection angle on measurement of supramalleolar alignment on the anteroposterior and hindfoot alignment views.
        Foot Ankle Int. 2015; 36: 1352-1361
        • Brandenburg L.S.
        • Siegel M.
        • Neubauer J.
        • et al.
        Measuring standing hindfoot alignment: reliability of different approaches in conventional x-ray and cone-beam CT.
        Arch Orthop Trauma Surg. 2022; 142: 3035-3043
        • Lintz F.
        • Beaudet P.
        • Richardi G.
        • et al.
        Weight-bearing CT in foot and ankle pathology.
        Orthop Traumatol Surg Res. 2021; 107: 102772
        • Brown J.A.
        • Gale T.
        • Anderst W.
        An automated method for defining anatomic coordinate systems in the hindfoot.
        J Biomech. 2020; 109: 109951
        • Foran I.M.
        • Mehraban N.
        • Jacobsen S.K.
        • et al.
        Impact of coleman block test on adult hindfoot alignment assessed by clinical examination, radiography, and weight-bearing computed tomography.
        Foot Ankle Orthop. 2020; 5 (2473011420933264)
        • Lintz F.
        • Barton T.
        • Millet M.
        • et al.
        Ground reaction force calcaneal offset: a new measurement of hindfoot alignment.
        Foot Ankle Surg. 2012; 18: 9-14
        • Richter M.
        • Seidl B.
        • Zech S.
        • et al.
        PedCAT for 3D-imaging in standing position allows for more accurate bone position (angle) measurement than radiographs or CT.
        Foot Ankle Surg. 2014; 20: 201-207
        • Richter M.
        • Zech S.
        • Hahn S.
        PedCAT for radiographic 3D-Imaging in standing position.
        Fuß Sprunggelenk. 2015; 13: 85-102
        • Buber N.
        • Zanetti M.
        • Frigg A.
        • et al.
        Assessment of hindfoot alignment using MRI and standing hindfoot alignment radiographs (Saltzman view).
        Skeletal Radiol. 2018; 47: 19-24
        • de Cesar Netto C.
        • Bang K.
        • Mansur N.S.
        • et al.
        Multiplanar semiautomatic assessment of foot and ankle offset in adult acquired flatfoot deformity.
        Foot Ankle Int. 2020; 41: 839-848
        • Richter M.
        • Duerr F.
        • Schilke R.
        • et al.
        Semi-automatic software-based 3D-angular measurement for Weight-Bearing CT (WBCT) in the foot provides different angles than measurement by hand.
        Foot Ankle Surg. 2022; 28: 919-927