Originalartikel / Peer reviewed articles

2023

Rappelt, L., Javanmardi, S., Heinke, L., Baumgart, C., Freiwald, J. (2023). The multifaceted nature of recovery after exercise: A need for individualization. Sport Orthop Sport Traumatol. doi

Freiwald, J., Javanmardi, S., Hotfiel, T., Engelhardt, M., Rappelt, L., Baumgart, C. (2023). Fundamentals of individual loading for strength training after knee injuries. Sport Orthop Sport Traumatol. doi

Brochhagen, J., Coll Barroso, M. T., Baumgart, C., Wasmus, D. T., Freiwald, J., & Hoppe, M. W. (2023). Age, sex, endurance capacity, and chronic heart failure affect central and peripheral factors of oxygen uptake measured by non-invasive and continuous technologies: support of pioneer work using invasive or non-continuous measures. Front Sports Act Living, 5. PubMed

Saal, C., Baumgart, C., Wegener, F., Ackermann, N., Sölter, F., Hoppe, M.W. (2023). Physical match demands of four LIQUI-MOLY Handball-Bundesliga teams from 2019–2022: effects of season, team, match outcome, playing position, and halftime. Front. Sports Act. Living, 5, 1183881. PubMed

Lubrano, E., Mazas, P. F., Freiwald, J., Krüger, K., Grattagliano, I., Mur, E., Silva, R. Q., Maruri, G. R., & de Medeiros, L. S. (2023). Correction to: An International Multidisciplinary Delphi-Based Consensus on Heat Therapy in Musculoskeletal Pain. Pain and therapy, 12(1), 111–115. PubMed

Freiwald, J., Hoppe, M. W., Javanmardi, S., Hotfiel, T., Engelhardt, M., Grim, C., Baumgart, C. (2023). Monitoring of training and therapy in rehabilitation after patella luxation – A case study. ). Sport Orthop Sport Traumatol, 39(1), 28-38. doi

Lubrano, E., Mazas, P. F., Freiwald, J., Krüger, K., Grattagliano, I., Mur, E., Silva, R. Q., Maruri, G. R., & de Medeiros, L. S. (2023). An International Multidisciplinary Delphi-Based Consensus on Heat Therapy in Musculoskeletal Pain. Pain and therapy, 12(1), 93–110. PubMed

2022

Grim, C., Baumgart, C., Schlarmann, M., Hotfiel, T., Javanmardi, S., Hoffmann, N., Kurz, E., Freiwald, J., Engelhardt, M., Hoppe, M. W. (2022). Effects of Different Orthoses on Neuromuscular Activity of Superficial and Deep Shoulder Muscles during Activities of Daily Living and Physiotherapeutic Exercises in Healthy Participants. Journal of Personalized Medicine, 12(12), 2068. PubMed

Javanmardi, S., Baumgart, C., Hoppe, M. W., Freiwald, J. (2022). Sprunghöhenerfassung mittels des Kinexon© Tracking-Systems – eine Pilotstudie. Leipziger Sportwissenschaftliche Beiträge, 63(1), 44-55.

2021

Bartsch, K. M., Baumgart, C., Freiwald, J., Wilke, J., Slomka, G., Turnhöfer, S., . . . Schleip, R. (2021). Expert Consensus on the Contraindications and Cautions of Foam Rolling—An International Delphi Study. Journal of Clinical Medicine, 10(22), 5360. PubMed

Baumgart, C., Grim, C., Heiss, R., Ehrenstein, P., Freiwald, J., Hoppe, M. W. (2021). Rehabilitation after a Complete Avulsion of the Proximal Rectus Femoris Muscle: Considerations from a Case Report. Int. J. Environ. Res. Public Health, 18(16). PubMed

Freiwald, J., Magni, A., Fanlo, P., Paulino, E., Medeiros, L., Moretti, B., Schleip, R., Solarino, G. (2021). A Role for Superficial Heat Therapy in the Management of Non-Specific, Mild-to-Moderate Low Back Pain in Current Clinical Practice: A Narrative Review. Life, 11. 780. PubMed

Baumgart, C., Kurz, E., Freiwald, J., Hoppe, M. W. (2021). Effects of Hip Flexion on Knee Extension and Flexion Isokinetic Angle-Specific Torques and HQ-Ratios. Sports Medicine - Open, 7(1), 41. PubMed

Hotfiel, T., Hoppe, M. W., Heiss, R., Lutter, C., Tischer, T., Forst, R., Hammer, C. M., Freiwald, J., Engelhardt, M., Grim, C. (2021). Quantifiable Contrast-Enhanced Ultrasound Explores the Role of Protection, Rest, Ice (Cryotherapy), Compression and Elevation (PRICE) Therapy on Microvascular Blood Flow. Ultrasound in medicine & biology, 47(5), 1269–1278. PubMed

2020

Alt, P. S., Baumgart, C., Ueberschär, O., Freiwald, J. Hoppe, M. H. (2020). Validity of a local positioning system during outdoor and indoor conditions for team sports. Sensors, 20, 5733. PubMed

Freiwald, J., Hoppe, M. W., Javanmardi, S., Hotfiel, T., Engelhardt, M., Grim, C., Baumgart, C. (2020). Current misjudgments and future trends in rehabilitation after knee injuries (Part 1). Sport Orthop Sport Traumatol, 36(3), 250-259. doi

Hoppe, M.W., Hotfiel, T., Stückradt, A., Grim, C., Ueberschär, O., Freiwald, J., Baumgart, C. (2020). Effects of passive, active, and mixed playing strategies on external and internal loads in female tennis players. PLOS ONE, 15(9), 1-17. PubMed

Wagener, S., Hoppe, M. W., Hotfiel, T., Engelhardt, M., Javanmardi, S., Baumgart, C., & Freiwald, J. (2020). CrossFit® – Development, Benefits and Risks. Sports Orthopaedics and Traumatology, 36(3), 241-249. doi

Gavanda, S., Isenmann, E., Schlöder, Y., Roth, R., Freiwald, J., Schiffer, T., . . . Behringer, M. (2020). Low-intensity blood flow restriction calf muscle training leads to similar functional and structural adaptations than conventional low-load strength training: A randomized controlled trial. PLOS ONE, 15(6), 1-13. PubMed

Brochhagen, J., Coll-Barroso, M. T., Baumgart, C., Freiwald, J., Hoppe, M. W. (2020). Non-invasively measured central and peripheral factors of oxygen uptake differ between patients with heart failure and healthy controls. BMC Cardiovasc Disord, 20, 378. PubMed

Hotfiel, T., Freiwald, J., Weisskopf, L., Grim, C., & Engelhardt, M. (2020). Überlastungsbedingte Tendinopathien: Ausgewählte Aspekte und Prinzipien der konservativen Therapie. Orthopädie und Unfallchirurgie, 10(3), 8-13.

Hoppe, M.W., Barnics, V., Freiwald, J., Baumgart, C. (2020). Contrary to endurance, power associated capacities differ between different aged and starting-nonstarting elite junior soccer players. PLOS ONE, 15(4), 1-12. PubMed

Cardoso de Araújo, M., Baumgart, C., Jansen, C., Freiwald, J., Hoppe, M. W. (2020). Sex differences in physical capacities of German Bundesliga soccer players. J Strength Cond Res. 34(8), 2329-2337. PubMed

2019

Cardoso de Araújo, M., Baumgart, C., Freiwald, J., & Hoppe, M. W. (2019). Contrasts in intermittent endurance performance and heart rate response between female and male soccer players of different playing levels. Biol. Sport, 36(4), 323-331. PubMed

Ueberschär, O., Fleckenstein, D., Warschun, F., Walter, N., Wolfarth, B., Hoppe M.W. (2019). Energy cost of running under hypogravity in well-trained runners and triathletes: A biomechanical perspective. Int J Comp Sci Sport, 18(2), 60-80. doi

Mayer, I., Hoppe, M. W., Freiwald, J., Heiss, R., Engelhardt, M., Grim, C., . . . Hotfiel, T. (2019). Different Effects of Foam Rolling on Passive Tissue Stiffness in Experienced and Nonexperienced Athletes. J Sport Rehabil, 29(7), 926-933. PubMed

Hüttel, M., Golditz, T., Mayer, I., Heiss, R., Lutter, C., Hoppe, M.W., Engelhardt, M., Grim, C., Seehaus, F., Forst, R., Hotfiel, T. (2019). Effects of pre- and post-exercise cold-water immersion therapy on passive muscle stiffness. Sportverletz Sportschaden. PubMed

Polglaze, T., Hoppe, M.W. (2019). Metabolic power: A step in the right direction for team sports. Int J Sports Physiol Perform, 14 (3), 407-411. PubMed

Mazur, F., Swoboda, B., Carl, H.D., Lutter, C., Engelhardt, M., Hoppe M.W., Hotfiel, T., Grim, C. (2019). Plantar pressure changes in hindfoot relief devices of different designs. J Exp Orthop, 6 (7), 1-8. PubMed

Grim C., Engelhardt, M., Hoffmann, N., Hoppe, M.W., Hotfiel, T. (2019) Aktuelle Überlegungen zur Sportlerschulter unter spezieller Berücksichtigung der Rückschlagsportart Tennis. Sports Orthop Traumatol, 35(1), 5-13. doi

Hoppe M.W. (2019). Editorial. Sport Orthop Sport Traumatol, 35(1), 1-2. doi

Baumgart, C., Freiwald, J., Kühnemann, M., Hotfiel, T., Hüttel, M., Hoppe, M. W.(2019). Foam Rolling of the calf and anterior thigh: Biomechanical loads and acute effects on vertical jump height and muscle stiffness. Sports (Basel), 7(1), 1-10. PubMed

Hoppe M.W., Baumgart, C., Stückradt, A., Hoffmann, N., Engelhardt, M., Freiwald, J., Grim, C. (2019). Effects of playing strategies on match activities and physiological responses in well-trained female tennis players derived by an alternative statistical approach. Sport Orthop Sport Traumatol, 35(1), 31-39. doi

Coll-Barosso, M., Hoppe, M.W., Kiefer, C., Boehme, P., Krahn, T., Kramer, F., Mondritzki, T., Pirez, P., Dinh, W. (2019). Test-retest reliability of thoracic bioreactance in daily clinical routine. Arq Bras Cardiol, 113(2), 231-239. PubMed

Heiss R., Lutter, C., Freiwald, J., Hoppe, M.W., Grim, C., Poettgen, K., Forst, R., Bloch, W., Hüttel, M., and Hotfiel, T. (2019). Delayed onset muscle soreness (DOMS): Part II: Advances in treatment and prevention. Sportverletzungen –Sportschaden, 33(1), 21-29. PubMed

2018

Hotfiel, T., Freiwald, J., Hoppe, M.W., Lutter, C., Forst, R., Grim, C., Bloch, W., Huettel, M., Heiss R. (2018). Delayed onset muscle soreness (DOMS): Part I: Advances in pathogenesis and diagnostics. Sportverletz Sportschaden, 32, 243-250. Pubmed

Baumgart, C., Welling, W., Freiwald, J., Hoppe, M. W., Gokeler, A. (2018). Angle-specific analysis of isokinetic quadriceps and hamstring torques and ratios in patients after ACL-reconstruction. BMC Sports Sci Med Rehabil, 10(1), 23. PubMed

Hoppe M.W., Baumgart, C., Slomka, M., Grim, C., Engelhardt, M., Freiwald J. (2018). Konditionelle Leistungsdiagnostik im Hochleistungsfußball – Vergangenheit, Gegenwart und Zukunft. OUP, 7, 536.544.

Baumgart, C., Freiwald, J., Hoppe, M. W. (2018). Sprint mechanical properties of female and different aged male top-level German soccer players. Sports (Basel), 6(4),161. PubMed

Freiwald, J., Hoppe, M. W., Beermann, W., Krajewski, J., Baumgart, C. (2018). Effects of supplemental heat therapy in multimodal treated chronic low back pain patients on strength and flexibility. Clin Biomech. PubMed

Hoppe, M. W., Baumgart, C., Polglaze, T., Freiwald, J. (2018). Validity and Reliability of GPS and LPS for Measuring Distances Covered and Sprint Mechanical Properties in Team Sports. PLOS ONE, 13(2), 1-21. PubMed

Hoppe, M.W., Baumgart, C., Freiwald, J. (2018). Estimating external loads and internal demands by positioning systems and innovative data processing approaches during intermittent running activities in team and racquet sports. Sport Orthop Sport Traumatol, 34(1). doi

2017

Hoppe, M. W., Brochhagen, J., Baumgart, C., Bauer, J., Freiwald, J. (2017). Differences in anthropometric characteristics and physical capacities between junior and adult top-level handball players. Asian J Sports Med, 8(4), 1-10. doi

Baumgart, C., Honisch, F., Freiwald, J., Hoppe, M. W. (2017). Differences and trial-to-trial reliability of vertical jump heights assessed by an ultrasonic system, force-plate and high-speed video analyses. Asian J Sports Med, 8(4), 1-6. doi

Kellermann, M., Heiss, R., Swoboda, B., Gelse, K., Freiwald, J., Grim, C., . . . Hotfiel, T. (2017). Intramuscular Perfusion Response in Delayed Onset Muscle Soreness (DOMS): A Quantitative Analysis with Contrast-Enhanced Ultrasound (CEUS). Int J Sports Med, 38(11), 833-841. PubMed

Baumgart, C., Hoppe, M. W., & Freiwald, J. (2017). Phase-specific ground reaction force analyses of bilateral and unilateral jumps in ACL-reconstructed patients. Ortho J Sports Med, 5(6), 1-9. PubMed

de Araújo, M. C., Baumgart, C., Freiwald, J., Hoppe, M. W. (2017). Nonlinear sprint performance differentiates professional from young soccer players. J Sports Med Phys Fitness. PubMed

Baumgart, C., Schubert, M., Hoppe, M. W., Gokeler, A., Freiwald, J. (2017). Do ground reaction forces during unilateral and bilateral movements exhibit compensation strategies following ACL-reconstruction?. Knee Surg Sports Traumatol Arthrosc, 25(5), 1385-1394. PubMed

Hoppe, M. W., Baumgart, C., Freiwald, J. (2017). Variability of metabolic power data in elite soccer players during pre-season matches. J Hum Kinet, 58, 233-245. PubMed

2016

Freiwald, J., Baumgart, C., Kühnemann, M. and Hoppe, M.W. (2016). Foam-Rolling in sport and therapy - Potential benefits and risks: Part 1 - Definitions, anatomy, physiology, and biomechanics. Sport Orthop Sport Traumatol, 32(3), 267-275.

Freiwald, J., Baumgart, C., Kühnemann, M. and Hoppe, M.W. (2016). Foam-Rolling in sport and therapy - Potential benefits and risks: Part 2 - Positive and adverse effects on athletic performance. Sport Orthop Sport Traumatol, 32(3), 258-266.

Hotfiel, T., Hotfiel, K.-H., Gelse, K., Engelhardt, M., Freiwald, J. (2016). Einlagenversorgung im Leistungssport – Indikationen, Wirkungsweise, sportspezifische Versorgungsstrategien. Sport Orthop Sport Traumatol, 32(3), 250-257.

Hoppe, M.W., Baumgart, C., Hilberg, T., Freiwald, J., Wehmeier, U. F. (2016). Changes of standard physiological-perceptual markers and circulating microRNAs in response to simulated tennis match play: A case report of two eliteplayers. J Hum Kinet., 51, 71-81. PubMed

Hoppe, M.W., Baumgart, C., Freiwald, J. (2016). Do running activities of adolescent and adult tennis players differ during play? Int J Sports Physiol Perform, 11 (6), 793-801. PubMed

Baumgart, C., Hoppe, M. W., Freiwald, J. (2016). Long-term adaptations to unexpected surface perturbations: Postural control during stance and gait in train conductors. J Mot Behav, 48 (4), 341-347. PubMed

2015

Hoppe, M.W., Slomka, M., Baumgart, C., Weber, M., and Freiwald, J. (2015). Match running performance and success across a season in German Bundesliga soccer teams. Int J Sports Med, 36 (7), 563-566. PubMed

Hoppe, M.W., Sperlich, B., Baumgart, C., Janssen, M., und Freiwald, J. (2015). Reliabilität ausgewählter Parameter der Fahrradergospirometrie anhand des PowerCube-Ergo Atemgasanalysators. Sportverletzungen - Sportschaden, 29(3):173-179. PubMed

Hoppe, M.W., Freiwald, J., Baumgart, C., Born, D.-P., Reed, J.L. and Sperlich, B. (2015). Relationship between core strength and key variables of performance in elite rink hockey players. J Sports Med Phys Fitness, 55(3), 150-157. Pubmed

Baumgart, C., Gokeler, A., Donath, L., Hoppe, M.W., and Freiwald, J. (2015). Effects of static stretching and playing soccer on knee laxity. Clin J Sports Med, 25(6), 541-545. PubMed

2014

Baumgart, C., Hoppe, M.W., and Freiwald, J. (2014). Different endurance characteristics of elite female and male German soccer players. Biology of Sport, 31(3):227-232. PubMed

Born, D. P., Hoppe, M. W., Lindner, N., Freiwald, J., Holmberg, H. C., Sperlich, B. (2014). Adaptive mechanisms and behavioural recommendations: playing football in heat, cold and high altitude conditions. Sportverletz Sportschaden, 28 (1), 17-23. PubMed

Hoppe, M.W., Baumgart, C., Bornefeld, J., Sperlich, B., Freiwald, J. and Holmberg, H-C. (2014). A running activity profile of young tennis players. Pediatr Exerc Sci., 26(3), 281-290. PubMed

2013

Jöllenbeck, T., Freiwald, J., Dann, K., Gokeler, A., Zantop, T., Seil, R., Miltner, O. (2013). Prävention von Verletzungen – Review zu Strategien und Evidenz. SportOrthoTrauma, 29 (1), 13-21.

Freiwald, J., Baumgart, C., Hoppe, M.W., Slomka, M., Brexendorf, B., Partenheimer, A. und Blume, R. (2013). Return to Sport nach Verletzungen im Hochleistungsfußball – was ist dazu notwendig? SportOrthoTrauma, 29 (1), 4-12.

Sperlich, B., Hoppe, M.W. und Haegele, M (2013). Ausdauertraining – Dauermethode versus intensive Intervallmethode im Fußball. Deutsche Zeitschrift für Sportmedizin. 64(1):10-17.

Hoppe, M. W., Baumgart, C. Sperlich, B., Ibrahim, H., Jansen, C.T., Willis, S.J. and Freiwald, C. (2013). Comparison of three different endurance tests in professional soccer players. Journal of Strength & Conditioning Research. 27(1):31-37. PubMed

bis 2012

Freiwald, J., Baumgart, C., Hoppe, M.W. und Engelhardt M. (2012). Gerätegestütztes Krafttraining bei chronischen Rückenschmerzen – Ein multimodaler Therapieansatz. Arthritis + Reuma, 32 (2), 95-103.

Freiwald, J., Baumgart, C., Hoppe, M. W., Jansen, C.T., Cardoso, M und Schneider, U. (2011). Ressourcenmodell, Leistungsdiagnostik und Training der konditionellen Fähigkeiten im Frauen- und Männerfußball. SportOrthoTrauma, 27 (1), 27-34.

Jansen, C.T., Baumgart, C., Hoppe, M. W., Thomann, R. und Freiwald, J. (2011). Geschlechtsspezifische Besonderheiten der konditionellen Anforderungen im Hochleistungsfußball der Frauen. SportOrthoTrauma, 27 (1), 13-17.

Witte, K., Ganter, N., Baumgart, C., & Peham, C. (2010). Applying a principal component analysis to movement coordination in sport. Journal of Mathematical & Computer Modelling of Dynamical Systems, 16(5), 477-488.

Keller, K., Mortier, J., Freiwald, J., Engelhardt, M. (2010). Der Einfluss von Medikamenten auf die akut postoperative Rehabilitation bei Kniepatienten. Deutsche Zeitschrift für Sportmedizin, 61, 7-8, 163-171.

Freiwald, J., Brexendorf, B., Pieper, S., Baumgart, C., Slomka, M., & Papadopoulos, C. (2008). Leistungs- und Funktionsdiagnostik im Hochleistungsfußball - Präventives Screeningverfahren für Über- und Fehlbelastungen sowie Übertraining. SportOrthoTrauma, 24, 20-30.