Jakob Lorentzen

Jakob Lorentzen

Clinical Professor


  1. Published

    A randomized clinical trial in preterm infants on the effects of a home-based early intervention with the 'CareToy System'

    Sgandurra, G., Lorentzen, Jakob, Inguaggiato, E., Bartalena, L., Beani, E., Cecchi, F., Dario, P., Giampietri, M., Greisen, Gorm, Herskind, A., Nielsen, Jens Bo, Rossi, G. & Cioni, G., 2017, In: P L o S One. 12, 3, 13 p., e0173521.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published
  3. Published

    Assessment of a portable device for the quantitative measurement of ankle joint stiffness in spastic individuals

    Lorentzen, Jakob, Grey, M. J., Geertsen, S. S., Biering-Sørensen, Fin, Brunton, K., Gorassini, M. & Nielsen, Jens Bo, 2012, In: Clinical Neurophysiology. 123, 7, p. 1371-1382 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Bilateral and asymmetrical contributions of passive and active ankle plantar flexors stiffness to spasticity in humans with spinal cord injury

    Chen, B., Sangari, S., Lorentzen, Jakob, Nielsen, Jens Bo & Perez, M. A., 2020, In: Journal of Neurophysiology. 124, 3, p. 973-984 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Botulinum toxin injection causes hyper-reflexia and increased muscle stiffness of the triceps surae muscle in the rat

    Pingel, Jessica, Wienecke, Jacob, Lorentzen, Jakob & Nielsen, Jens Bo, 2016, In: Journal of Neurophysiology. 116, 6, p. 2615-2623 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    COpenhagen Neuroplastic TRaining against Contractures in Toddlers (CONTRACT): Protocol of an open-label randomised clinical trial with blinded assessment for prevention of contractures in infants with high risk of cerebral palsy

    Willerslev-Olsen, Maria, Lorentzen, Jakob, Røhder, Katrine, Ritterband-Rosenbaum, A., Justiniano, M., Guzzetta, A., Lando, A. V., Jensen, A. M. B., Greisen, Gorm, Ejlersen, S., Pedersen, L. Z., Andersen, B., Lipthay Behrend, P. & Nielsen, Jens Bo, 2021, In: BMJ Open. 11, 7, e044674.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Characterization of torque generating properties of ankle plantar flexor muscles in ambulant adults with cerebral palsy

    Frisk, Rasmus Feld, Lorentzen, Jakob, Barber, L. & Nielsen, Jens Bo, 2019, In: European Journal of Applied Physiology. 119, 5, p. 1127-1136 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Children with dyskinetic cerebral palsy are severely affected as compared to bilateral spastic cerebral palsy

    Préel, M., Rackauskaite, G., Larsen, M. L., Laursen, B., Lorentzen, Jakob, Born, A. P., Langhoff-Roos, J., Uldall, P. & Høi-Hansen, C. E., 2019, In: Acta Paediatrica. 108, 10, p. 1850-1856 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Contribution of corticospinal drive to ankle plantar flexor muscle activation during gait in adults with cerebral palsy

    Frisk, Rasmus Feld, Lorentzen, Jakob & Nielsen, Jens Bo, 2019, In: Experimental Brain Research. 237, 6, p. 1457-1467 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Contribution of sensory feedback to plantar flexor muscle activation during push-off in adults with cerebral palsy

    Frisk, Rasmus Feld, Jensen, Peter, Kirk, H., Bouyer, L. J., Lorentzen, Jakob & Nielsen, Jens Bo, 2017, In: Journal of Neurophysiology. 118, 6, p. 3165-3174 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Contribution of sensory feedback to soleus muscle activity during voluntary contraction in humans

    Rasul, A., Lorentzen, Jakob, Frisk, Rasmus Feld, Sinkjær, T. & Nielsen, Jens Bo, 2022, In: Journal of Neurophysiology. 127, 4, p. 1147-1158 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Corticomuscular coherence is reduced in relation to dorsiflexion fatigability to the same extent in adults with cerebral palsy as in neurologically intact adults

    Forman, C. R., Jacobsen, K. J., Karabanov, Anke Ninija, Nielsen, Jens Bo & Lorentzen, Jakob, 2022, In: European Journal of Applied Physiology. 122, 6, p. 1459-1471 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Distinguishing active from passive components of ankle plantar flexor stiffness in stroke, spinal cord injury and multiple sclerosis

    Lorentzen, Jakob, Grey, M. J., Crone, C., Mazevet, D., Biering-Sørensen, Fin & Nielsen, J. B., 1 Nov 2010, In: Clinical Neurophysiology. 121, 11, p. 1939-1951

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Effects on Parental Stress of Early Home-Based CareToy Intervention in Low-Risk Preterm Infants

    Sgandurra, G., Beani, E., Inguaggiato, E., Lorentzen, Jakob, Nielsen, Jens Bo & Cioni, G., 2019, In: Neural Plasticity. 2019, 8 p., 7517351.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Explosive resistance training increases rate of force development in ankle dorsiflexors and gait function in adults with cerebral palsy

    Kirk, H., Geertsen, S. S., Lorentzen, Jakob, Krarup, K. B., Bandholm, Thomas Quaade & Nielsen, Jens Bo, 2016, In: Journal of Strength and Conditioning Research. 30, 10, p. 2749-2760 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Factors correlated with running economy among elite middle- and long-distance runners

    Hansen, C. E., Stensvig, Martin Blok, Wienecke, Jacob, Villa, Chiara, Lorentzen, Jakob, Rasmussen, J. & Simonsen, Erik Bruun, 2021, In: Physiological Reports. 9, 20, 15 p., e15076.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Feedforward neural control of toe walking in humans

    Lorentzen, Jakob, Willerslev-Olsen, M., Hüche Larsen, H., Svane, Christian, Forman, C., Frisk, Rasmus Feld, Farmer, S. F., Kersting, U. & Nielsen, Jens Bo, 2018, In: Journal of Physiology. 596, 11, p. 2159-2172 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Gait training facilitates push-off and improves gait symmetry in children with cerebral palsy

    Lorentzen, Jakob, Frisk, Rasmus Feld, Willerslev-Olsen, Maria, Bouyer, L., Farmer, S. F. & Nielsen, Jens Bo, 2020, In: Human Movement Science. 69, 12 p., 102565.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Impaired gait function in adults with cerebral palsy is associated with reduced rapid force generation and increased passive stiffness

    Geertsen, S. S., Kirk, H., Lorentzen, Jakob, Jorsal, M., Johansson, C. B. & Nielsen, Jens Bo, 2015, In: Clinical Neurophysiology. 126, 12, p. 2320-2329 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Impaired muscle growth precedes development of increased stiffness of the triceps surae musculotendinous unit in children with cerebral palsy

    Willerslev-Olsen, Maria, Choe Lund, M., Lorentzen, Jakob, Barber, L., Kofoed-Hansen, M. & Nielsen, Jens Bo, 2018, In: Developmental Medicine and Child Neurology. 60, 7, p. 672-679 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Increased Ankle Plantar Flexor Stiffness Is Associated With Reduced Mechanical Response to Stretch in Adults With CP

    Lorentzen, Jakob, Frisk, Rasmus Feld, Nielsen, Jens Bo & Barber, L., 2021, In: Frontiers in Bioengineering and Biotechnology. 9, 12 p., 604071.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Maturation of feedforward toe walking motor program is impaired in children with cerebral palsy

    Lorentzen, Jakob, Willerslev-Olsen, Maria, Larsen, H. H., Farmer, S. F. & Nielsen, Jens Bo, 2019, In: Brain. 142, 3, p. 526-541 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Muscle Contractures in Adults With Cerebral Palsy Characterized by Combined Ultrasound-Derived Echo Intensity and Handheld Dynamometry Measures

    Svane, Christian, Forman, C. R., Rasul, A., Nielsen, Jens Bo & Lorentzen, Jakob, 2022, In: Ultrasound in Medicine and Biology. 48, 4, p. 694-701 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Muscle growth is reduced in 15-month-old children with cerebral palsy

    Herskind, A., Ritterband-Rosenbaum, A., Willerslev-Olsen, M., Lorentzen, Jakob, Hanson, L., Lichtwark, G. & Nielsen, Jens Bo, 2016, In: Developmental Medicine and Child Neurology. 58, 5, p. 485-491 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Neural tension technique is no different from random passive movements in reducing spasticity in patients with traumatic brain injury

    Lorentzen, Jakob, Nielsen, D., Holm, K., Baagøe, S., Grey, M. J. & Nielsen, Jens Bo, 2012, In: Disability and Rehabilitation. 34, 23, p. 1978-1985 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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