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Why do different motor cortical areas activate the same muscles?
The cortex contains multiple motor areas, including the primary motor cortex (M1) and supplementary motor area (SMA). Many muscles are represented in...
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Effect of Active Muscles on Astronaut Kinematics and Injury Risk for Piloted Lunar Landing and Launch While Standing
While astronauts may pilot future lunar landers in a standing posture, the response of the human body under lunar launch and landing-related dynamic...
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Intraoperative Map** and Monitoring Techniques for Intra-Axial Brain Tumors
Surgery for intra-axial tumors necessitates balancing the functional outcomes (neurological and neuropsychological) with the extent of resection....
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Effects of 12 weeks of neuromuscular electrical stimulation of the quadriceps muscles on the function and physio-biochemical traits in functionally fit female nursing-home residents aged 75 + years: a pilot study
PurposeMuscular changes induced by neuromuscular electrical stimulation (NMES) are well recognized, but knowledge of how NMES influences the...
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Post-COVID exercise intolerance is associated with capillary alterations and immune dysregulations in skeletal muscles
The SARS-CoV-2 pandemic not only resulted in millions of acute infections worldwide, but also in many cases of post-infectious syndromes,...
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Novel Application of Photogrammetry to Quantify Fascicle Orientations of Female Cadaveric Pelvic Floor Muscles
Although critical for understanding and simulating pelvic floor muscle function and pathophysiology, the fascicle arrangements of the coccygeus and...
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Effect of muscle activation on dynamic responses of neck of pilot during emergency ejection: a finite element study
To determine the effect of muscle activation on the dynamic responses of the neck of a pilot during simulated emergency ejections. A complete finite...
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Quantitative ultrasound imaging of intrinsic hand muscles after traumatic cervical spinal cord injury
Study designThis is a cross-sectional descriptive study.
ObjectivesTo quantify differences in hand muscle morphology between persons with cervical...
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In vivo measurements of spinal stiffness according to a stepwise increase of axial load
BackgroundThe spine has a complex motor control. Its different stabilization mechanisms through passive, active, and neurological subsystems may...
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EMG Validation of a Subject-Specific Thoracolumbar Spine Musculoskeletal Model During Dynamic Activities in Older Adults
Musculoskeletal models can uniquely estimate in vivo demands and injury risk. In this study, we aimed to compare muscle activations from...
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Electrophysiological Activity from the Eye Muscles, Cerebellum and Cerebrum During Reflexive (Classical Pavlovian) Versus Voluntary (Ivanov-Smolensky) Eye-Blink Conditioning
We report an experiment to investigate the role of the cerebellum and cerebrum in motor learning of timed movements. Eleven healthy human subjects...
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Novel variants in TUBA1A cause congenital fibrosis of the extraocular muscles with or without malformations of cortical brain development
Variants in multiple tubulin genes have been implicated in neurodevelopmental disorders, including malformations of cortical development (MCD) and...
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Lectures 5 and 6: Musculo-Skeletal System
There are 206 bones in the (adult) body, which comprise about 14% of our body mass, and 700 muscles that should comprise about 40% of our body mass.
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An investigation of machine learning algorithms for prediction of lumbar disc herniation
The prevalence of lumbar disc herniation (LDH), which makes patients’ daily activities more difficult and reduces their quality of life, has tended...
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Development and validation of a novel ankle joint musculoskeletal model
An improved understanding of contact mechanics in the ankle joint is paramount for implant design and ankle disorder treatment. However, existing...
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Effects of posture on cerebellar evoked potentials (CEPs) following brief impulsive stimuli at the mastoid and trunk
Recordings from over the posterior fossa following impulsive acceleration stimuli have shown short latency evoked potentials of presumed cerebellar...
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The effects of aging on the distribution and strength of correlated neural inputs to postural muscles during unperturbed bipedal stance
The present study investigated the effects of aging on the distribution of common descending neural drives to main postural muscles acting on the...
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Botulinum Toxin Treatment in Multiple Sclerosis
According to the latest data from the National Multiple Sclerosis Society (2019) nearly one million people live in US with this disease annually. The...
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Muscles Lost in Our Adult Primate Ancestors Still Imprint in Us: on Muscle Evolution, Development, Variations, and Pathologies
The study of evolutionary developmental pathologies (Evo-Devo-Path) is an emergent field that relies on comparative anatomy to inform our...
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Striated muscle: an inadequate soil for cancers
Many organs of the body are susceptible to cancer development. However, striated muscles—which include skeletal and cardiac muscles—are rarely the...
