Rasmus Jensen

Research Outputs

Research output per year 2014 2019 2020 2021 2024

• 8 Poster
• 8 Journal article
• 5 Conference abstract in journal
• 3 Abstract
• 1 More
  • 1 PhD thesis

Research output per year

Research output per year

Search results

• 2024

  Assessments of individual fiber glycogen and mitochondrial volume percentages reveal a graded reduction in muscle oxidative power during prolonged exhaustive exercise

  Nielsen, J., Jensen, R. & Ørtenblad, N., 28 Jan 2024, In: Scandinavian Journal of Medicine & Science in Sports. 34, 2, 6 p., e14571.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  • Glycogen Muscle Level 100%
  • Skeletal Muscle 100%
  • Mitochondrial Volume 100%

• Intramuscular glycogen phosphorylase inhibition blunts sarcoplasmic reticulum calcium release in skeletal muscle

  Andrews, N. J., Jensen, R., Ørtenblad, N. & Cheng, A. J., 17 May 2024, p. 11. 1 p.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

  • Sarcoplasmic reticulum 100%
  • Glycogen Phosphorylase 100%
  • Calcium Transport 100%
  • Skeletal Muscle 100%
  • Calcium Ion 62%
• 2022

  Quantification of Subcellular Glycogen Distribution in Skeletal Muscle Fibers Using Transmission Electron Microscopy

  Jensen, R., Ørtenblad, N., di Benedetto, C., Qvortrup, K. & Nielsen, J., 7 Feb 2022, In: Journal of Visualized Experiments. 180, e63347.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Transmission Electron Microscopy 100%
  • Skeletal Muscle 100%
  • Morphometrics 33%
  • Tissue Banking 33%
  • High Resolution Transmission Electron Microscopy 33%
• 2021

  Contractile Properties of MHC I and II Fibers From Highly Trained Arm and Leg Muscles of Cross-Country Skiers

  Gejl, K. D., Hvid, L. G., Andersson, E. P., Jensen, R., Holmberg, H.-C. & Ørtenblad, N., 16 Jun 2021, In: Frontiers in Physiology. 12, 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  • Leg Muscle 100%
  • Arm Muscle 100%
  • Heavy Meromyosin 100%
  • Myosin Heavy Chain 100%
  • Calcium Ion 50%

• Force-generating capacity of MHC I and II fibers from well-trained arm and leg muscles of cross-country skiers

  Gejl, K. D., Hvid, L. N., Andersson, E. P., Jensen, R., Holmberg, H.-C. & Ørtenblad, N., 2 Sept 2021.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

  • Leg Muscle 100%
  • Arm Muscle 100%
  • Calcium Ion 100%
  • Arm 100%
  • Leg 100%

• Glycogen supercompensation is due to increased number, not size, of glycogen particles in human skeletal muscle

  Jensen, R., Ørtenblad, N., Stausholm, M. H., Skjærbæk, M. C., Larsen, D. N., Hansen, M., Holmberg, H., Plomgaard, P. & Nielsen, J., 26 May 2021, In: Experimental Physiology. 106, 5, p. 1272-1284 13 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Muscle Biopsy 100%
  • Oxygen Consumption 100%
  • Glycogen Analysis 100%
  • Transmission Electron Microscopy 100%
  • Myofibril 100%

• Pharmacological but not physiological GDF15 suppresses feeding and the motivation to exercise

  Klein, A. B., Nicolaisen, T. S., Ørtenblad, N., Gejl, K. D., Jensen, R., Fritzen, A. M., Larsen, E. L., Karstoft, K., Poulsen, H. E., Morville, T., Sahl, R. E., Helge, J. W., Lund, J., Falk, S., Lyngbæk, M., Ellingsgaard, H., Pedersen, B. K., Lu, W., Finan, B. & Jørgensen, S. B. & 5 others, Seeley, R. J., Kleinert, M., Kiens, B., Richter, E. A. & Clemmensen, C., Dec 2021, In: Nature Communications. 12, 9 p., 1041.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Growth Differentiation Factor 15 100%
  • Growth Differentiation Factor 100%
  • Endurance Training 22%
  • Diseases 11%
  • Homeostasis 11%

• Role of glycogenolytic derived ATP in sarcoplasmic reticulum Ca2+ uptake properties

  Ørtenblad, N., Gejl, K. D., Kristiansen, M. R., Nielsen, J. & Jensen, R., 2 Sept 2021.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

  • Calcium Ion 100%
  • Sarcoplasmic reticulum 100%
  • Adenosine Triphosphate 100%
  • Glycogen Phosphorylase 30%
  • Glucan 1,4 Alpha Glucosidase 20%

• Within-subject variability in the myosin heavy chain distribution based on six biopsies from the same human subjects

  Jensen, R., Nielsen, J., Plomgaard, P. & Ørtenblad, N., 2 Sept 2021.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

  • Myosin Heavy Chain 100%
  • Human 100%
  • Heavy Chain 100%
  • Leg 16%
  • Muscle Fiber 5%
• 2020

  Heterogeneity in subcellular muscle glycogen utilisation during exercise impacts endurance capacity in men

  Jensen, R., Ørtenblad, N., Stausholm, M. H., Skjærbæk, M. C., Larsen, D. N., Hansen, M., Holmberg, H., Plomgaard, P. & Nielsen, J., 7 Oct 2020, In: The Journal of Physiology.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Inhibition of glycogenolysis prolongs action potential repriming period and impairs muscle function in rat skeletal muscle

  Jensen, R., Nielsen, J. & Ørtenblad, N., 3 Feb 2020, In: The Journal of Physiology.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Relationship Between Content Of Mitochondria And Z-disk Or Fiber Types

  Geng, G., Jensen, R., Liang, Y., Qiu, J., Ørtenblad, N. & Nielsen, J., 1 Jul 2020, In: Medicine and Science in Sports and Exercise. 52, 7S

  Research output: Contribution to journal › Conference abstract in journal

• Role of intracellular energy compartmentalization in skeletal muscle function during work and recovery

  Jensen, R., 19 Dec 2020, Syddansk Universitet.

  Research output: Book/Report/PhD thesis › PhD thesis › Research › peer-review

  • Calcium Ion 100%
  • Arabinitol 100%
  • Nifedipine 100%
  • Potassium Ion 50%
  • Glucan 1,4 Alpha Glucosidase 50%

• The Associations Of Mitochondrial Content And Maximal Oxygen Uptake

  Liang, Y., Jensen, R., Geng, G., Qiu, J., Ørtenblad, N. & Nielsen, J., 1 Jul 2020.

  Research output: Contribution to conference without a publisher/journal › Abstract › Research
• 2019

  Skeletal muscle sarcoplasmic reticulum Ca2 uptake preferentially use glycogenolytic derived ATP

  Kristiansen, M. R., Jensen, R., Nielsen, J. & Ørtenblad, N., Nov 2019, In: Acta Physiologica. 227, S721

  Research output: Contribution to journal › Conference abstract in journal

• Skeletal muscle sarcoplasmic reticulum Ca2 uptake preferentially use glycogenolytic derived ATP

  Kristiansen, M. R., Jensen, R., Nielsen, J. & Ørtenblad, N., 2019.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

• The inhibitory effects of two distinct inhibitors on glycogen phoshorylase activity and contractile function in chemically skinned skinned single fibers

  Jensen, R., Kristiansen, M. R., Nielsen, J. & Ørtenblad, N., 2019.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

• The inhibitory effects of two distinct inhibitors on glycogen phoshorylase activity and contractile function in chemically skinned skinned single fibers

  Jensen, R., Nielsen, J., Kristiansen, M. R. & Ørtenblad, N., Nov 2019, In: Acta Physiologica. 227, S721

  Research output: Contribution to journal › Conference abstract in journal

• The time-course of intramuscular lipid droplet utilization at different subcellular localizations and fiber types during endurance exercise in lean males

  Kristensen, D., Jensen, R., Plomgaard, P., Ørtenblad, N. & Nielsen, J., Nov 2019, In: Acta Physiologica. 227, S721

  Research output: Contribution to journal › Conference abstract in journal

• The time-course of intramuscular lipid droplet utilization at different subcellular localizations and fiber types during endurance exercise in lean males

  Kristensen, D., Jensen, R., Plomgaard, P., Ørtenblad, N. & Nielsen, J., 2019.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

• The time-course of muscle glycogen utilization at different subcellular localizations and fiber types during endurance exercise in lean males

  Holleufer, M.-L., Jensen, R., Skjærbæk, M. C., Larsen, D. N., Plomgaard, P., Ørtenblad, N. & Nielsen, J., 2019.

  Research output: Contribution to conference without a publisher/journal › Poster › Research

• The time-course of muscle glycogen utilization at different subcellular localizations and fiber types during endurance exercise in lean males

  Holleufer, M.-L., Jensen, R., Skjaerbaek, M., Larsen, D. N., Plomgaard, P., Ørtenblad, N. & Nielsen, J., Nov 2019, In: Acta Physiologica. 227, S721

  Research output: Contribution to journal › Conference abstract in journal
• 2016

  Repeated high-intensity exercise modulates Ca(2+) sensitivity of human skeletal muscle fibers

  Gejl, K. D., Hvid, L. G., Willis, S. J., Andersson, E., Holmberg, H.-C., Jensen, R., Frandsen, U., Hansen, J., Plomgaard, P. & Ørtenblad, N., May 2016, In: Scandinavian Journal of Medicine & Science in Sports. 26, 5, p. 488–497 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  • Exercise Intensity 100%
  • Skeletal Muscle 100%
  • Dithiothreitol 100%
  • Incubation 20%
• 2014

  Glycolytically derived ATP is essential for muscle fiber excitability and Na,K-ATPase activity in the transverse tubular system of skeletal muscle fibers

  Jensen, R., Nielsen, J. & Ørtenblad, N., 2014.

  Research output: Contribution to conference without a publisher/journal › Abstract › Research

• Repeated sprint exercise affects contractile apparatus and force production of isolated human muscle fibres

  Ørtenblad, N., Hvid, L. G., Jensen, R., Holmberg, H.-C., Gejl, K. D., Willis, S. & Andersson, E., 2014.

  Research output: Contribution to conference without a publisher/journal › Abstract › Research