Results 11 to 20 of about 336,000 (257)

Skeletal Muscle Remodeling in Response to Eccentric vs. Concentric Loading: Morphological, Molecular, and Metabolic Adaptations

open access: yesFrontiers in Physiology, 2017
Skeletal muscle contracts either by shortening or lengthening (concentrically or eccentrically, respectively); however, the two contractions substantially differ from one another in terms of mechanisms of force generation, maximum force production and ...
Martino V. Franchi   +3 more
doaj   +1 more source

Non-linear Scaling of Passive Mechanical Properties in Fibers, Bundles, Fascicles and Whole Rabbit Muscles

open access: yesFrontiers in Physiology, 2020
Defining variations in skeletal muscle passive mechanical properties at different size scales ranging from single muscle fibers to whole muscles is required in order to understand passive muscle function.
Samuel R. Ward   +8 more
doaj   +1 more source

Simple Muscle Architecture Analysis (SMA): an ImageJ macro tool to automate measurements in B-mode ultrasound scans [PDF]

open access: yes, 2019
In vivo measurements of muscle architecture (i.e. the spatial arrangement of muscle fascicles) are routinely included in research and clinical settings to monitor muscle structure, function and plasticity.
Cronin, Neil J., Seynnes, Olivier R.
core   +2 more sources

Ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (Dromaius novaehollandiae) [PDF]

open access: yes, 2014
Emus (Dromaius novaehollandiae) are exclusively terrestrial, bipedal and cursorial ratites with some similar biomechanical characteristics to humans. Their growth rates are impressive, as their body mass increases eighty-fold from hatching to adulthood ...
Abourachid   +69 more
core   +11 more sources

Vastus Lateralis Architecture Changes During Pregnancy – A Longitudinal Study

open access: yesFrontiers in Physiology, 2019
While the incidence of falls has been described to increase with pregnancy, the mechanism behind this is unclear. Pregnancy associated changes in lower extremity muscle strength could be a possible factor influencing injury risk.
Marie Elena Bey   +8 more
doaj   +1 more source

Bouncing Back! Counteracting Muscle Aging With Plyometric Muscle Loading

open access: yesFrontiers in Physiology, 2019
The preservation of muscle power is crucial in aging for maintaining mobility and performing daily tasks. Resistance training involving high movement velocities represents a valid strategy to slow down the rate of sarcopenia, counteracting the loss of ...
Martino V. Franchi   +7 more
doaj   +1 more source

Rare Variant of Vastus Medialis Detected in vivo by Ultrasound and Confirmed by High-resolution MRI. [PDF]

open access: yes, 2014
[Purpose] This report describes an unusual incidental finding during ultrasound investigation of the vastus medialis muscle. Volunteers underwent ultrasound scanning as part of an on-going investigation into the architecture of the vastus medialis muscle.
Adds, PJ   +3 more
core   +1 more source

Diversity in the organization of elastin bundles and intramembranous muscles in bat wings [PDF]

open access: yes, 2017
Unlike birds and insects, bats fly with wings composed of thin skin that envelops the bones of the forelimb and spans the area between the limbs, digits, and sometimes the tail.
Fenton MB   +8 more
core   +2 more sources

The cerebellum could solve the motor error problem through error increase prediction [PDF]

open access: yes, 2015
We present a cerebellar architecture with two main characteristics. The first one is that complex spikes respond to increases in sensory errors. The second one is that cerebellar modules associate particular contexts where errors have increased in the ...
O'Reilly, Randall C.   +1 more
core   +2 more sources

Atrophy, oxidative switching and ultrastructural defects in skeletal muscle of the ataxia telangiectasia mouse model [PDF]

open access: yes, 2019
Ataxia telangiectasia is a rare, multi system disease caused by ATM kinase deficiency. Atm-knockout mice recapitulate premature aging, immunodeficiency, cancer predisposition, growth retardation and motor defects, but not cerebellar neurodegeneration and
Aguanno, Salvatore   +8 more
core   +1 more source

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