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Showing 1 to 12 of 53 entries
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Spectral phase control and temporal superresolution toward the single-cycle pulse.

Optics letters

Binhammer T, Rittweger E, Morgner U, Ell R, Kärtner FX.
PMID: 16642169
Opt Lett. 2006 May 15;31(10):1552-4. doi: 10.1364/ol.31.001552.

The concept of temporal superresolution is applied to optical few-cycle laser pulses for the first time to our knowledge. Pulse durations of as little as to 3.7 fs, well below the Fourier limit, are achieved by pulse shaping of...

What is new in neuro-musculoskeletal interactions?.

Journal of musculoskeletal & neuronal interactions

Rittweger J, Rauch F.
PMID: 15758468
J Musculoskelet Neuronal Interact. 2001 Dec;2(2):177-80.

No abstract available.

Interactive exploration of integrated biological datasets using context-sensitive workflows.

Frontiers in genetics

Horn F, Rittweger M, Taubert J, Lysenko A, Rawlings C, Guthke R.
PMID: 24600467
Front Genet. 2014 Feb 20;5:21. doi: 10.3389/fgene.2014.00021. eCollection 2014.

Network inference utilizes experimental high-throughput data for the reconstruction of molecular interaction networks where new relationships between the network entities can be predicted. Despite the increasing amount of experimental data, the parameters of each modeling technique cannot be optimized...

Calcium Isotopes in Human Urine as a Diagnostic Tool for Bone Loss: Additional Evidence for Time Delays in Bone Response to Experimental Bed Rest.

Frontiers in physiology

Heuser A, Frings-Meuthen P, Rittweger J, Galer SJG.
PMID: 30740058
Front Physiol. 2019 Jan 25;10:12. doi: 10.3389/fphys.2019.00012. eCollection 2019.

The calcium (Ca) isotopic composition in urine during bed rest has been demonstrated to be systematically light, indicating a negative bone mineral balance (i.e., bone loss). Here we present new Ca isotope data on urine during the "nutritional countermeasures"...

Sarcolab pilot study into skeletal muscle's adaptation to long-term spaceflight.

NPJ microgravity

Rittweger J, Albracht K, Flück M, Ruoss S, Brocca L, Longa E, Moriggi M, Seynnes O, Di Giulio I, Tenori L, Vignoli A, Capri M, Gelfi C, Luchinat C, Francheschi C, Bottinelli R, Cerretelli P, Narici M.
PMID: 30246141
NPJ Microgravity. 2018 Sep 17;4:18. doi: 10.1038/s41526-018-0052-1. eCollection 2018.

Spaceflight causes muscle wasting. The Sarcolab pilot study investigated two astronauts with regards to plantar flexor muscle size, architecture, and function, and to the underlying molecular adaptations in order to further the understanding of muscular responses to spaceflight and...

Reactive Jumps Preserve Skeletal Muscle Structure, Phenotype, and Myofiber Oxidative Capacity in Bed Rest.

Frontiers in physiology

Blottner D, Hastermann M, Weber R, Lenz R, Gambara G, Limper U, Rittweger J, Bosutti A, Degens H, Salanova M.
PMID: 32009969
Front Physiol. 2020 Jan 15;10:1527. doi: 10.3389/fphys.2019.01527. eCollection 2019.

Identification of countermeasures able to prevent disuse-induced muscle wasting is crucial to increase performance of crew members during space flight as well as ameliorate patient's clinical outcome after long immobilization periods. We report on the outcome of short but...

A Comparison of Squatting Exercise on a Centrifuge and With Earth Gravity.

Frontiers in physiology

Piotrowski T, Rittweger J, Zange J.
PMID: 30568604
Front Physiol. 2018 Dec 05;9:1759. doi: 10.3389/fphys.2018.01759. eCollection 2018.

No abstract available.

Hypoxia Aggravates Inactivity-Related Muscle Wasting.

Frontiers in physiology

Debevec T, Ganse B, Mittag U, Eiken O, Mekjavic IB, Rittweger J.
PMID: 29867545
Front Physiol. 2018 May 15;9:494. doi: 10.3389/fphys.2018.00494. eCollection 2018.

Poor musculoskeletal state is commonly observed in numerous clinical populations such as chronic obstructive pulmonary disease (COPD) and heart failure patients. It, however, remains unresolved whether systemic hypoxemia, typically associated with such clinical conditions, directly contributes to muscle deterioration....

The Metabolic Response of Skeletal Muscle to Endurance Exercise Is Modified by the ACE-I/D Gene Polymorphism and Training State.

Frontiers in physiology

Valdivieso P, Vaughan D, Laczko E, Brogioli M, Waldron S, Rittweger J, Flück M.
PMID: 29311951
Front Physiol. 2017 Dec 14;8:993. doi: 10.3389/fphys.2017.00993. eCollection 2017.

The insertion/deletion polymorphism in the gene for the regulator of vascular tone, angiotensin-converting enzyme (ACE), is the prototype of a genetic influence on physical fitness and this involves an influence on capillary supply lines and dependent aerobic metabolism in...

Accelerometric Gait Analysis Devices in Children-Will They Accept Them? Results From the AVAPed Study.

Frontiers in pediatrics

Wiedmann I, Grassi M, Duran I, Lavrador R, Alberg E, Daumer M, Schoenau E, Rittweger J.
PMID: 33585360
Front Pediatr. 2021 Jan 28;8:574443. doi: 10.3389/fped.2020.574443. eCollection 2020.

No abstract available.

Contractile behavior of the gastrocnemius medialis muscle during running in simulated hypogravity.

NPJ microgravity

Richter C, Braunstein B, Staeudle B, Attias J, Suess A, Weber T, Mileva KN, Rittweger J, Green DA, Albracht K.
PMID: 34373462
NPJ Microgravity. 2021 Aug 09;7(1):32. doi: 10.1038/s41526-021-00155-7.

Vigorous exercise countermeasures in microgravity can largely attenuate muscular degeneration, albeit the extent of applied loading is key for the extent of muscle wasting. Running on the International Space Station is usually performed with maximum loads of 70% body...

Age- and Sex-Differences in Cardiac Characteristics Determined by Echocardiography in Masters Athletes.

Frontiers in physiology

Wooten SV, Moestl S, Chilibeck P, Alvero Cruz JR, Mittag U, Tank J, Tanaka H, Rittweger J, Hoffmann F.
PMID: 33536945
Front Physiol. 2021 Jan 18;11:630148. doi: 10.3389/fphys.2020.630148. eCollection 2020.

BACKGROUND: Cardiac function and morphology are known to differ between men and women. Sex differences seen with echocardiography have not been studied systematically in masters athletes.PURPOSE: To evaluate sex differences in cardiac structure, function and left ventricular (LV) systolic...

Showing 1 to 12 of 53 entries