Team

FH-Prof. Priv.-Doz. Dr. Brian Horsak

  • Head of Center for Digital Health and Social Innovation
  • Senior Researcher Institute of Health Sciences
  • Department of Health Sciences
Location: B - Campus-Platz 1
M: +43/676/847 228 587

Study programmes

  • Digital Healthcare (MA)
  • Physiotherapy (BA)

Departments

  • Health Sciences
  • Media and Digital Technologies

Short profile

  • Since 2021: Head of the Center for Digital Health and Social Innovation (CDHSI)
  • Since 2021: Endowed Professor for Applied Biomechanics and Rehabilitation Research
  • 2020: Habilitation in the field of Kinesiology with a focus on Biomechanics. Title: "Advances in biomechanical research in gait analysis and motor rehabilitation," Center for Sports Sciences and University Sports, University of Vienna, Austria.
  • 2012: Doctorate (Dr. rer. nat.) in Sports Science, Biomechanics, Kinesiology, and Applied Informatics at the University of Vienna, Austria.
  • 2002-2008: Master's degree (Mag. rer. nat.) in Sports Science at the University of Vienna, Austria.
  • Brian Horsak is a passionate researcher with a clear vision: to combine technology and healthcare to develop innovative medical solutions in the field of gait analysis and rehabilitation. His research addresses how innovative technologies such as motion capturing, wearables, musculoskeletal simulations, machine learning, as well as augmented and virtual reality can significantly improve patient care in the domain of clinical gait analysis and rehabilitation. He has several years of experience in developing research projects, securing external funding, and leading research initiatives at national and international levels.
  • Awards: He has received multiple Best Paper Awards at international conferences, won the Lower Austria Innovation Prize in 2021, and achieved the 1st and 2nd place in the Innovation Prize of Austrian Medical-Technical Professions in 2016 and 2021, respectively.

Selected Projects

Visual Publication Browser

Publications

Armand, S., Sawacha, Z., Goudriaan, M., Horsak, B., van der Krogt, M., Huenaerts, C., Daly, C., Kranzl, A., Boehm, H., Petrarca, M., Guiotto, A., Merlo, A., Spolaor, F., Campanini, I., Cosma, M., Hallemans, A., Horemans, H., Gasq, D., Moissenet, F., … Sangeux, M. (2024). Current practices in clinical gait analysis in Europe: A comprehensive survey-based study from the European society for movement analysis in adults and children (ESMAC) standard initiative. Gait & Posture, 111, 65–74. https://doi.org/10.1016/j.gaitpost.2024.04.014
Horsak, B., Durstberger, S., Krondorfer, P., Thajer, A., Greber-Platzer, S., & Kranzl, A. (2024). Which method should we use to determine the hip joint center location in individuals with a high amount of soft tissue? Clinical Biomechanics, 0(0). https://doi.org/10.1016/j.clinbiomech.2024.106254
Horsak, B., Prock, K., Krondorfer, P., Siragy, T., Simonlehner, M., & Dumphart, B. (2024). Inter-trial variability is higher in 3D markerless compared to marker-based motion capture: Implications for data post-processing and analysis. Journal of Biomechanics, 112049. https://doi.org/10.1016/j.jbiomech.2024.112049
Totorean, A., Lancere, L., Horsak, B., Simonlehner, M., Stoia, D. I., Crisan-Vida, M., Moco, D., Fernandes, R., Gere, A., Sterckx, Y., Zulkarnain, A., Gal-Nadasan, N., & Stoia, A. (2024). Heart Rate and Surface Electromyography Analysis to Assess Physical Activity Using a Virtual-Reality Exergame. In N. Herisanu & V. Marinca (Eds.), Acoustics and Vibration of Mechanical Structures—AVMS-2023 (pp. 139–146). Springer Nature Switzerland. https://doi.org/10.1007/978-3-031-48087-4_15
Horsak, B., Eichmann, A., Lauer, K., Prock, K., Krondorfer, P., Siragy, T., & Dumphart, B. (2023). Concurrent validity of smartphone-based markerless motion capturing to quantify lower-limb joint kinematics in healthy and pathological gait. Journal of Biomechanics, 159, 111801. https://doi.org/10.1016/j.jbiomech.2023.111801
Horsak, B., Simonlehner, M., Dumphart, B., & Siragy, T. (2023). Overground walking while using a virtual reality head mounted display increases variability in trunk kinematics and reduces dynamic balance in young adults. Virtual Reality. https://doi.org/10.1007/s10055-023-00851-7
Dumphart, B., Slijepcevic, D., Kranz, A., Zeppelzauer, M., & Horsak, B. (2023). Is it time to re-think the appropriateness of autocorrelation for gait event detection? Preliminary results of an ongoing study. Gait & Posture, 106, S50–S51. https://doi.org/10.1016/j.gaitpost.2023.07.064
Slijepcevic, D., Horst, F., Simak, M., Schöllhorn, W. I., Zeppelzauer, M., & Horsak, B. (2023). Towards personalized gait rehabilitation: How robustly can we identify personal gait signatures with machine learning? Gait & Posture, 106, S192–S193. https://doi.org/10.1016/j.gaitpost.2023.07.232
Holder, J., Stief, F., van Drongelen, S., & Horsak, B. (2023). A comparative analysis of kinematic simulation results obtained by manually and automated scaled OpenSim models during walking – preliminary findings. Gait & Posture, 106, S80–S82. https://doi.org/10.1016/j.gaitpost.2023.07.099
Horsak, B., Eichmann, A., Lauer-Maier, K., Prock, K., & Dumphart, B. (2023). Concurrent assessment of a smartphone-based markerless and marker-based motion capture system in pathological gait. Gait & Posture, 106, S79–S80. https://doi.org/10.1016/j.gaitpost.2023.07.098
Guggenberger, B., Horsak, B., Habersack, A., Smith, C., Svehlik, M., & Kainz, H. (2023). Internal lower limb rotation increases patella cartilage pressure in individuals with patellofemoral instability. Gait & Posture, 106, S71–S72. https://doi.org/10.1016/j.gaitpost.2023.07.088
de Jesus Oliveira, V. A., Slijepčević, D., Dumphart, B., Ferstl, S., Reis, J., Raberger, A.-M., Heller, M., Horsak, B., & Iber, M. (2023). Auditory feedback in tele-rehabilitation based on automated gait classification. Personal and Ubiquitous Computing. https://doi.org/10.1007/s00779-023-01723-2
Slijepcevic, D., Zeppelzauer, M., Unglaube, F., Kranzl, A., Breiteneder, C., & Horsak, B. (2023). Explainable Machine Learning in Human Gait Analysis: A Study on Children With Cerebral Palsy. IEEE Access, 11, 65906–65923. https://doi.org/10.1109/ACCESS.2023.3289986
Horst, F., Slijepcevic, D., Simak, M., Horsak, B., Schöllhorn, W. I., & Zeppelzauer, M. (2023). Modeling biological individuality using machine learning: A study on human gait. Computational and Structural Biotechnology Journal, 21, 3414–3423. https://doi.org/10.1016/j.csbj.2023.06.009
Guggenberger, B., Horsak, B., Habersack, A., Smith, C., Svehlik, M., & Kainz, H. (2022). The influence of different walking strategies on patellofemoral and tibiofemoral contact forces in individuals with patellofemoral instability. Gait & Posture, 97, S68–S69. https://doi.org/10.1016/j.gaitpost.2022.07.052
Horsak, B., Simonlehner, M., Dumphart, B., Kainz, H., Killen, B., & Jonkers, I. (2022). Patella-femoral joint loading during the modified Star Excursion Balance Test: Preliminary results of an extensive simulation study. Gait & Posture, 97, S5–S6. https://doi.org/10.1016/j.gaitpost.2022.07.013
Horsak, B., Schwab, C., Durstberger, S., Thajer, A., Greber-Platzer, S., Kainz, H., Jonkers, I., & Kranzl, A. (2021). 3D free-hand ultrasound to register anatomical landmarks at the pelvis and localize the hip joint center in lean and obese individuals. Scientific Reports, 11(1), 10650. https://doi.org/https://doi.org/10.1038/s41598-021-89763-7
Thajer, A., Skacel, G., Truschner, K., Jorda, A., Vasek, M., Horsak, B., Strempfl, J., Kautzky-Willer, A., Kainberger, F., & Greber-Platzer, S. (2021). Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity. Children, 8(4), 295. https://doi.org/https://doi.org/10.3390/children8040295
Horsak, B., Slijepcevic, D., Raberger, A.-M., Schwab, C., Worisch, M., & Zeppelzauer, M. (2020). GaitRec, a large-scale ground reaction force dataset of healthy and impaired gait. Scientific Data, 7:143(1), 1–8. https://doi.org/10/gh372d
Horsak, B., Dumphart, B., Slijepcevic, D., & Zeppelzauer, M. (2020). Explainable Artificial Intelligence (XAI) und ihre Anwendung auf Klassifikationsprobleme in der Ganganalyse. Abstractband Des 3. GAMMA Kongress. 3. GAMMA Kongress, München, Deutschland.
Horst, F., Slijepcevic, D., Zeppelzauer, M., Raberger, A. M., Lapuschkin, S., Samek, W., Schöllhorn, W. I., Breiteneder, C., & Horsak, B. (2020). Explaining automated gender classification of human gait. Gait & Posture, 81, supplement 1, 159–160. https://doi.org/10/ghr9k6
Schwab, C., Durstberger, S., Kranzl, A., Simonlehner, M., Kainz, H., & Horsak, B. (2020). Evaluating the accuracy of a 3D free-hand ultrasound technique for bone segmentation in clinical gait analysis. Gait & Posture. ESMAC 29th Annual Meeting, Virtual Meeting. https://doi.org/10.1016/j.gaitpost.2020.08.064
Horsak, B., Schwab, C., Leboeuf, F., & Kranzl, A. (2020). Reliability of walking and stair climbing kinematics in a young obese population using a standard kinematic and the CGM2 model. Gait & Posture, 83(96–99). https://doi.org/10/gnt2tj
Thajer, A., Truschner, K., Jorda, A., Skacel, G., Horsak, B., & Greber‐Platzer, S. (2020). A strength and neuromuscular exercise program did not improve body composition, nutrition and psychological status in children with obesity. Acta Paediatrica, epub ahead of print. https://doi.org/10/gh379v
Slijepcevic, D., Zeppelzauer, M., Schwab, Caterine, Raberger, A.-M., Breitender, C., & Horsak, B. (2020). Input Representations and Classification Strategies for Automated Human Gait Analysis. Gait & Posture, 76, 198–203. https://doi.org/10/ghz24x
Horsak, B., Simonlehner, M., Schöffer, L., Maureder, J., Schwab, C., Raberger, A. M., Zeller, M., & Husinsky, M. (2020). Applicability and usability of an immersive virtual reality-based balance control exergame for prosthetic users: A pilot study with healthy individuals. Gait & Posture. ESMAC 29th Annual Meeting, Virtual Meeting. https://doi.org/10/gnkdht
Schwab, C., Durstberger, S., Kranzl, A., & Horsak, B. (2020). Die Anwendung von 3D-Freihand-Ultraschall für die digitale Rekonstruktion von anatomischen Strukturen in der 3D Ganganalyse: erste Ergebnisse eines laufenden Projekts. Abstractband Des 3. GAMMA Kongress. 3. GAMMA Kongress, München, Deutschland.
Durstberger, S., Schwab, C., Simonlehner, M., Kainz, H., Kranzl, A., & Horsak, B. (2020). Evaluating 3D free-hand ultrasound as an alternative approach to register anatomical landmarks: A test-retest study in lean and overweight participants. Gait & Posture. ESMAC 29th Annual Meeting, Virtual Meeting. https://doi.org/10/gnt2tf
Horsak, B. (2019). Advancements in biomechanical research in gait analysis and motor rehabilitation (Habilitation). University of Vienna.
Horsak, B., Schwab, C., Baca, A., Greber-Platzer, S., Kreissl, A., Nehrer, S., Keilani, M., Crevenna, R., Kranzl, A., & Wondrasch, B. (2019). Effects of a lower extremity exercise program on gait biomechanics and clinical outcomes in children and adolescents with obesity: A randomized controlled trial. Gait & Posture, 70(122–129). https://doi.org/10/gh38bj
Horsak, B. (2019). Reliabilität von Messergebnissen in der Gang- und Bewegungsanalyse – Erfahrungsbericht zu gängigen Maßzahlen [Invited talk]. GAMMA Workshop im Rahmen des 11. Kongress der Deutschen Gesellschaft für Biomechanik, Berlin.
Horsak, B., Schwab, C., & Kranzl, A. (2019). Reliability of stair walking kinematics in young overweight and obese individuals [Poster]. 28th Annual Meeting of the European Society for Movement Analysis in Adults and Children (ESMAC), Amsterdam, Netherlands.
Bruckner, F., & Horsak, B. (2019). Labore für virtuelle Welten und Gesundheit [Radiobeitrag].
Slijepcevic, D., Raberger, A.-M., Zeppelzauer, M., Dumphart, B., Breiteneder, C., & Horsak, B. (2019). On the usefulness of statistical parameter mapping for feature selection in automated gait classification. Book of Abstracts of the 25th Conference of the European Society of Biomechanics (ESB), 1.
Horsak, B., Matousek, E., Schwärzler, E., & Schwab, C. (2019). Reliability of a mobile device to track the sagittal lumbar spine posture during activities of daily living. 11. Kongress der Deutschen Gesellschaft für Biomechanik, Berlin.
Slijepcevic, D., Zeppelzauer, M., Raberger, A.-M., Schwab, C., Schuller, M., Baca, A., Breiteneder, C., & Horsak, B. (2018). Automatic Classification of Functional Gait Disorders. IEEE Journal of Biomedical and Health Informatics, 5(22), 1653–1661. https://doi.org/10/ghz24w
Schwab, C., Slijepcevic, D., Zeppelzauer, M., Raberger, A.-M., Dumphart, B., Baca, A., Breitender, C., & Horsak, B. (2018). IntelliGait: Automatische Gangmusteranalyse für die robuste Erkennung von Gangstörungen. Tagungsband Des 2ten GAMMA Kongress (Gesellschaft Für Die Analyse Menschlicher Motorik in Ihrer Klinischen Anwendung). 2ter GAMMA Kongress (Gesellschaft für die Analyse Menschlicher Motorik in ihrer klinischen Anwendung), Hamburg, Deutschland.
Slijepcevic, D., Zeppelzauer, M., Schwab, C., Raberger, A.-M., Dumphart, B., Baca, A., Breiteneder, C., & Horsak, B. (2018). Towards an optimal combination of input signals and derived representations for gait classification based on ground reaction force measurements. Gait & Posture Supplement, 65. https://doi.org/10/gh38wn
Horsak, B., Schwab, C., Clemens, C., Baca, A., Greber-Platzer, S., Kreissl, A., & Kranzl, A. (2018). Is the reliability of 3D kinematics of young obese participants dependent on the hip joint center localization method used? Gait & Posture, 59, 65–70. https://doi.org/10/gh38bh
Horsak, B., Pobatschnig, B., Schwab, C., Baca, A., Kranzl, A., & Kainz, H. (2018). Reliability of joint kinematic calculations based on direct kinematic and inverse kinematic models in obese children. Gait & Posture, 66(201–207). https://doi.org/10/gf4v7g
Wagner, M., Slijepcevic, D., Horsak, B., Rind, A., Zeppelzauer, M., & Aigner, W. (2018). KAVAGait: Knowledge-Assisted Visual Analytics for Clinical Gait Analysis. IEEE Transactions on Visualization and Computer Graphics (TVCG), 25(3), 1528–1542. https://doi.org/10/ghppzn
Clemens, C., Schwab, C., Kranzl, A., Wondrasch, B., Baca, A., Greber-Platzer, S., Crevenna, R., Kreissl, A., Keilani, M., & Horsak, B. (2017). Hip joint center estimation methods do not affect test-retest reliability of kinematic measurements in young obese participants [Poster]. 10th Annual Meeting of the German Society for Biomechanics (DGfB), Hannover, Germany.
Slijepcevic, D., Horsak, B., Schwab, C., Raberger, A.-M., Schüller, M., Baca, A., Breitender, C., & Zeppelzauer, M. (2017). Ground reaction force measurements for gait classification tasks: Effects of different PCA-based representations. Gait & Posture Supplement, 57, 4–5. https://doi.org/10.1016/j.gaitpost.2017
Horsak, B., Wunsch, R., Bernhart, P., Gorgas, A.-M., Bichler, R., & Lampel, K. (2017). Trunk muscle activation levels during eight stabilization exercises used in the functional kinetics concept: A controlled laboratory study. Journal of Back and Musculoskeletal Rehabilitation, 30(3), 497–508. https://doi.org/10/gh38bd
Horsak, B., Pobatschnig, B., Baca, A., Greber-Platzer, S., Kreissl, A., Nehrer, S., Wondrasch, B., Crevenna, R., Keilani, M., & Kranzl, A. (2017). Within-assessor reliability and minimal detectable change of gait kinematics in a young obese demographic. Gait & Posture, 54. https://doi.org/10/gh38bc
Horsak, B., Kiener, M., Pötzelsberger, A., & Siragy, T. (2017). Serratus anterior and trapezius muscle activity during knee push-up plus and knee-plus exercises performed on a stable, an unstable surface and during sling-suspension. Physical Therapy in Sport, 0(26), 86–92. https://doi.org/10/gh38bf
Fischer, T., Kiselka, A., Dlapka, R., Doppler, J., Iber, M., Gradl, C., Gorgas, A.-M., Siragy, T., & Horsak, B. (2016). An Auditory Feedback System in Use with People Aged +50 Years: Compliance and Modifications in Gait Pattern. In J. Ibáñez, J. González-Vargas, J. M. Azorín, M. Akay, & J. L. Pons (Eds.), Converging Clinical and Engineering Research on Neurorehabilitation II (pp. 881–885). Springer International Publishing. https://doi.org/10/gnt2tg
Gorgas, A.-M., Schön, L., Dlapka, R., Doppler, J., Iber, M., Gradl, C., Kiselka, A., Siragy, T., & Horsak, B. (2016). Short-Term Effects of Real-Time Auditory Display (Sonification) on Gait Parameters in People with Parkinsons’ Disease—A Pilot Study. In J. Ibáñez, J. González-Vargas, J. M. Azorín, M. Akay, & J. L. Pons (Eds.), Converging Clinical and Engineering Research on Neurorehabilitation II (pp. 855–859). Springer International Publishing. https://doi.org/10/gnt2th
Fischer, T., & Kiselka, A. (2016). An Auditory Feedback System in Use with People Aged +50 Years: Compliance and Modifications in Gait Pattern. 3rd International Conference on NeuroRehabilitation, Segovia, Spain.
Horsak, B., Dlapka, R., Iber, M., Gorgas, A.-M., Kiselka, A., Gradl, C., Siragy, T., & Doppler, J. (2016). SONIGait: a wireless instrumented insole device for real-time sonification of gait. Journal on Multimodal User Interfaces, 10(3), 195–206. https://doi.org/10/gh38bg
Siragy, T., Doppler, J., Gorgas, A.-M., Dlapka, R., Iber, M., Kiselka, A., Gradl, C., & Horsak, B. (2016). Framework for Real-time Auditory Display of Plantar Pressure during Walking. Tagungsband Des 10. Forschungsforum Der Österreichischen Fachhochschulen. 10. Forschungsforum der Österreichischen Fachhochschulen, Wien, Österreich.
Horsak, B., Pobatschnig, B., Artner, D., Kranzl, A., Baca, A., Greber-Platzer, S., Kreissl, A., Crevenna, R., Keilani, M., & Wondrasch, B. (2016). Intra-tester reliability of three-dimensional kinematics in obese children and adolescents. Gait & Posture, 49, 99. https://doi.org/10.1016/j.gaitpost.2016.07.155
Horsak, B., Artner, D., Baca, A., Pobatschnig, B., Greber-Platzer, S., Nehrer, S., & Wondrasch, B. (2015). The effects of a strength and neuromuscular exercise programme for the lower extremity on knee load, pain and function in obese children and adolescents: study protocol for a randomised controlled trial. Trials, 16, 586. https://doi.org/10/ghf82d
Iber, M., Horsak, B., Bauer, K., Kiselka, A., Gorgas, A.-M., Dlapka, R., & Doppler, J. (2015). Pilotstudie zur sonifikationsgestützten Ganganalyse. Forum Medientechnik - Next Generation, New Ideas, 51–68.
Horsak, B., Heller, M., & Baca, A. (2015). Muscle co-contraction around the knee when walking with unstable shoes. Journal of Electromyography and Kinesiology: Official Journal of the International Society of Electrophysiological Kinesiology, 25, 175–181. https://doi.org/10/f6xvzs
Artner, D., Wondrasch, B., Baca, A., Pobatschnig, B., Greber-Platzer, S., Nehrer, S., & Horsak, B. (2015). Trial Protokoll: Biomechanische Belastungsanalyse der Kniegelenke bei Alltagsbewegungen von adipösen Kindern und Jugendlichen: eine randomisiert kontrollierte Studie. Konferenzband - 22. Sportwissenschaftliche Hochschultag Der Deutschen Vereinigung Für Sportwissenschaft (Dvs). 22. Sportwissenschaftliche Hochschultag der Deutschen Vereinigung für Sportwissenschaft (dvs), Mainz, Deutschland.
Horsak, B., Iber, M., Bauer, K., Kiselka, A., Gorgas, A.-M., Dlapka, R., & Doppler, J. (2015). A wireless instrumented insole device for real-time sonification of gait. Proceedings of the 21st International Conference on Auditory Display, 94–101.
Lampel, K., Horsak, B., Brauneis, W., & Doppler, J. (2015). Development of an educational software for observational gait analysis in physical therapy. International Neurology and Rehabilitation Meeting - Abstract Book. INeReM - International Neurology and Rehabilitation Meeting, Istanbul, Turkey.
Kiselka, A., Gorgas, A.-M., Bauer, K., Dlapka, R., Gusenbauer, M., Doppler, J., & Horsak, B. (2015). Demands on a mobile auditory feedback system for gait rehabilitation. Tagungsband Des 9. Forschungsforum Der Österreichischen Fachhochschulen. 9. Forschungsforum der Österreichischen Fachhochschulen, Hagenberg, Österreich.

Projects