Show Advanced Search

REFINE YOUR SEARCH:

Containing Text
- - -
+
Filter by author or institution
GO
Filter by publication date
From:
October, 2006
Until:
Today
Filter by journal section

Filter by science education

 
 
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.

Contractility Measurements of Human Uterine Smooth Muscle to Aid Drug Development

1Harris-Wellbeing Preterm Birth Research Centre, Department of Cellular and Molecular Physiology, Institute of Translational Medicine, University of Liverpool, 2School of Biomedical Sciences, The University of Queensland, 3Faculty of Chemistry, Institute of Biological Chemistry, University of Vienna, 4Institute for Molecular Bioscience, University of Queensland, 5Center for Physiology and Pharmacology, Medical University of Vienna

Video Coming Soon

JoVE 56639


 JoVE In-Press

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

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 reflex (DTR) results from the stimulation of a stretch-sensitive afferent from a neuromuscular spindle, which, via a single synapse, stimulates a motor nerve leading to a muscle contraction. DTRs are increased in chronic upper motor neuron lesions (lesions of the pyramidal tract) and decreased in lower motor neuron lesions and nerve and muscle disorders. There is a wide variation of responses and reflexes graded from 0 to 4+ (Table 1). DTRs are commonly tested to help localize neurologic disorders. A common method of recording findings during the DTR examination is using a stick figure diagram. The DTR test can help distinguish upper and lower motor neuron problems, and can assist in localizing nerve root compression as well. Although the DTR of nearly any skeletal muscle could be tested, the reflexes that are routinely tested are: brachioradialis, biceps, triceps, patellar, and Achilles (Table 2). Superficial reflexes are segmental ref


 Physical Examinations III

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

1Department of Orthopaedic Surgery, University of Michigan Medical School, 2Department of Molecular & Integrative Physiology, University of Michigan Medical School, 3Department of Biomedical Engineering, University of Michigan Medical School, 4Department of Surgery, Section of Plastic Surgery, University of Michigan Medical School

JoVE 52695


 Bioengineering

Isolation and Characterization of Satellite Cells from Rat Head Branchiomeric Muscles

1Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 2Department of Biological Structure, University of Washington School of Medicine, 3Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center

JoVE 52802


 Developmental Biology

Evaluation of Vascular Control Mechanisms Utilizing Video Microscopy of Isolated Resistance Arteries of Rats

1Department of Physical Therapy, Marquette University, 2Medical College of Wisconsin, 3Department of Physiology, Medical College of Wisconsin, 4Graduate Programs of Nurse Anesthesia, Texas Wesleyan University, 5Office of Research, Medical College of Wisconsin

JoVE 56133


 Medicine

Creating a Structurally Realistic Finite Element Geometric Model of a Cardiomyocyte to Study the Role of Cellular Architecture in Cardiomyocyte Systems Biology

1Cell Structure and Mechanobiology Group, Department of Biomedical Engineering, University of Melbourne, 2Systems Biology Laboratory, Melbourne School of Engineering, University of Melbourne, 3Department of Biomedical Engineering, University of Melbourne, 4Department of Engineering Science, University of Auckland, 5Advanced Microscopy Facility, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, 6School of Medicine, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, 7School of Mathematics and Statistics, Faculty of Science, University of Melbourne, 8ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of Melbourne, 9Living Systems Institute, University of Exeter

Video Coming Soon

JoVE 56817


 JoVE In-Press

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

Video Coming Soon

JoVE 57000


 JoVE In-Press

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

12345678936
More Results...