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Muscle Contraction: A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments.

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury

1Spinal Cord Injury and Disorders Service, Hunter Holmes McGuire VAMC, 2Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, 3Deceased, Department of Kinesiology, The University of Georgia, 4Department of Physical Medicine and Rehabilitation, Penn State Milton S. Hershey Medical Center

JoVE 57000


 Behavior

Online Transcranial Magnetic Stimulation Protocol for Measuring Cortical Physiology Associated with Response Inhibition

1College of Medicine, University of Cincinnati, 2Division of Neurology, Cincinnati Children's Hospital Medical Center, 3Division of Psychiatry, Cincinnati Children's Hospital Medical Center, 4Center for Neurodevelopmental and Imaging Research, Kennedy Krieger Institute

JoVE 56789


 Neuroscience

Preparation of Acute Myocardial Tissue Slices from Biopsies of Human Neonates and Infants with Congenital Heart Disease for Physiological Measurements

1Department of Pediatric Cardiology, University Hospital of Cologne, 2Institute for Neurophysiology, University of Cologne, 3Department of Cardio-thoracic Surgery, University Hospital of Cologne, 4Department of General Pediatrics, Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich Heine University, 5Children's Hospital for Wales, University Hospital of Wales

Video Coming Soon

JoVE 55566


 JoVE In-Press

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea

1Clinical and Biological Sciences Department, Neurology Unit, University of Torino, San Luigi Gonzaga Hospital, 2Oncology Department, Radiology Unit, University of Torino, San Luigi Gonzaga Hospital, 3Clinical and Biological Sciences Department, Dietologic and Nutrition Unit, University of Torino, San Luigi Gonzaga Hospital

JoVE 54606


 Medicine

Repetitive Transcranial Magnetic Stimulation to the Unilateral Hemisphere of Rat Brain

1Department of Rehabilitation Medicine, Chungnam National University Hospital, Daejeon, 2Department of Biomedical Engineering, Seoul National University College of Medicine, 3Institute of Medical and Biological Engineering, Medical Research Center, Seoul National University, 4Department of Biomedical Engineering, Seoul National University Hospital, 5Department of Nuclear Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 6Department of Rehabilitation Medicine, Gangwon Do Rehabilitation Hospital, 7Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of Medicine

JoVE 54217


 Behavior

Adapting the Electrospinning Process to Provide Three Unique Environments for a Tri-layered In Vitro Model of the Airway Wall

1Division of Drug Delivery and Tissue Engineering, University of Nottingham, 2Laboratory of Biophysics and Surface Analysis, School of Pharmacy, University of Nottingham, 3Division of Immunology and Allergy, School of Molecular Medical Sciences, University of Nottingham, 4Division of Respiratory Medicine, School of Clinical Sciences, University of Nottingham, 5NIHR Respiratory Biomedical Research Unit, University of Leicester, 6School of Sport, Exercise, and Health Sciences, Loughborough University

JoVE 52986


 Bioengineering

Murine Spinotrapezius Model to Assess the Impact of Arteriolar Ligation on Microvascular Function and Remodeling

1Department of Biomedical Engineering, University of Virginia, 2Department of Biomedical Engineering, California Polytechnic State University, 3Office of Animal Welfare, University of Virginia, 4Department of Biomedical Engineering & Institute for Computational Medicine, Johns Hopkins University

JoVE 50218


 Medicine

Isometric and Eccentric Force Generation Assessment of Skeletal Muscles Isolated from Murine Models of Muscular Dystrophies

1Department of Anatomy and Cell Biology, School of Dental Medicine, University of Pennsylvania, 2Department of Physiology, Perelman School of Medicine, University of Pennsylvania, 3Department of Anatomy and Cell Biology, School of Dental Medicine, School of Dental Medicine, University of Pennsylvania

JoVE 50036


 Biology

Cell Structure- Concept

JoVE 10587

Background

Cells represent the most basic biological units of all organisms, whether it be simple, single-celled organisms like bacteria, or large, multicellular organisms like elephants and giant redwood trees. In the mid 19th century, the Cell Theory was proposed to define a cell, which states:



Every living organism is made up of one or more cells.
The cells…


 Lab Bio

Motor Exam II

JoVE 10095

Source:Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA


There are two main types of reflexes that are tested on a neurological examination: stretch (or deep tendon reflexes) and superficial reflexes. A deep tendon…


 Physical Examinations III

An Introduction to Cell Motility and Migration

JoVE 5643

Cell motility and migration play important roles in both normal biology and in disease. On one hand, migration allows cells to generate complex tissues and organs during development, but on the other hand, the same mechanisms are used by tumor cells to move and spread in a process known as cancer metastasis. One of the primary cellular machineries that make cell movement…


 Cell Biology

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