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October, 2006
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Exercise Test: Controlled physical activity, more strenuous than at rest, which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used. The intensity of exercise is often graded, using criteria such as rate of work done, oxygen consumption, and heart rate.
 JoVE Medicine

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis

1Motion Analysis Laboratory, Kennedy Krieger Institute, 2Physical Medicine & Rehabilitation, Johns Hopkins University School of Medicine, 3Johns Hopkins University School of Medicine, 4Department of Neurology, Johns Hopkins University School of Medicine

JoVE 53449

 JoVE Behavior

Vision Training Methods for Sports Concussion Mitigation and Management

1Neurology and Rehabilitative Medicine, University of Cincinnati, 2Division of Sports Medicine, Department of Orthopaedic Surgery, University of Cincinnati, 3Department of Athletics, University of Cincinnati, 4Department of Neurosurgery, University of Cincinnati, 5College of Education, Criminal Justice, and Human Services, University of Cincinnati, 6Division of Sports Medicine, Cincinnati Children's Hospital Medical Center

JoVE 52648

 JoVE Biology

Determining the Contribution of the Energy Systems During Exercise

1Laboratory of Applied Nutrition, School of Physical Education and Sport, University of Sao Paulo, 2Aerobic Performance Research Group, School of Physical Education and Sport, University of Sao Paulo, 3Laboratory of Neuromuscular Adaptations to Strength Training, School of Physical Education and Sport, University of Sao Paulo, 4Martial Arts and Combat Sports Research Group, School of Physical Education and Sport, University of Sao Paulo

JoVE 3413

 JoVE Bioengineering

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

1Department of Veterans Affairs (VA) Rehabilitation Research and Development National Center of Excellence for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, 2Department of Veterans Affairs (VA) Spinal Cord Injury Service, James J. Peters VA Medical Center

JoVE 54071

 JoVE Medicine

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

1Discipline of Exercise and Sport Science, Faculty of Health Sciences, University of Sydney, 2Department of Sport, Health and Exercise Science, University of Hull, 3Academic Vascular Department, Hull Royal Infirmary, Hull and East Yorkshire Hospitals, 4Department of Vascular Surgery, Addenbrookes Hospital

JoVE 51077

 JoVE Neuroscience

The Neuromuscular Junction: Measuring Synapse Size, Fragmentation and Changes in Synaptic Protein Density Using Confocal Fluorescence Microscopy

1Physiology and Bosch Institute, University of Sydney, 2Motor Neuron Disease Research Group, Australian School of Advanced Medicine, Macquarie University, 3Advanced Microscopy Facility, Bosch Institute, University of Sydney

JoVE 52220

 JoVE Bioengineering

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

 JoVE Bioengineering

Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms

1Department of Biomedical Engineering, Seoul National University College of Medicine, 2Department of Rehabilitation Medicine, Chungnam National University Hospital, 3Interdisciplinary Program for Bioengineering, Seoul National University Graduate School, 4Department of Rehabilitation Medicine, Seoul National University Hospital, 5Seoul National University College of Medicine, 6Institute of Medical and Biological Engineering, Seoul National University

JoVE 54521

 Science Education: Essentials of Experimental Psychology

The Simple Experiment: Two-group Design

JoVE Science Education

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University

A two-group design is the simplest way to establish a cause-effect relationship between two variables. This video demonstrates a simple experiment (two-group design).  In providing an overview of how a researcher conducts a simple experiment (two-group design), this video shows viewers the process of turning ideas into testable ideas and forming hypothesis, the identification and effect of experiment variables, the formation of experimental conditions and controls, the process of conducting the study, the collection of results, and the consideration their implications. This research technique is demonstration in the context of answering the research question: “How does physiological arousal/excitement influence perceived attraction?”

 JoVE Medicine

Human Brown Adipose Tissue Depots Automatically Segmented by Positron Emission Tomography/Computed Tomography and Registered Magnetic Resonance Images

1Chemical and Physical Biology Program, Vanderbilt University, 2Department of Physical Medicine and Rehabilitation, Vanderbilt University School of Medicine, 3Radiology & Radiological Sciences, Vanderbilt University Medical Center, 4Department of Pharmacology, Vanderbilt University

JoVE 52415

 Science Education: Essentials of Experimental Psychology

The Factorial Experiment

JoVE Science Education

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University

A factorial design is a common type of experiment where there are two or more independent variables. This video demonstrates a 2 x 2 factorial design used to explore how self-awareness and self-esteem may influence the ability to decipher nonverbal signals. This video leads students through the basics of a factorial design including, the nature of a factorial design and what distinguishes it from other designs, the benefits of factorial design, the importance and nature of interactions, main effect and interaction hypotheses, and how to conduct a factorial experiment.

 Science Education: Essentials of General Chemistry

Le Châtelier's Principle

JoVE Science Education

Source: Laboratory of Dr. Lynne O'Connell — Boston College

When the conditions of a system at equilibrium are altered, the system responds in such a way as to maintain the equilibrium. In 1888, Henri-Lewis Le Châtelier described this phenomenon in a principle that states, "When a change in temperature, pressure, or concentration disturbs a system in chemical equilibrium, the change will be counteracted by an alteration in the equilibrium composition." This experiment demonstrates Le Châtelier's principle at work in a reversible reaction between iron(III) ion and thiocyanate ion, which produces iron(III) thiocyante ion: Fe3+(aq) + SCN- (aq) FeSCN2+ (aq) The concentration of one of the ions is altered either by directly adding a quantity of one ion to the solution or by selectively removing an ion from the solution through formation of an insoluble salt. Observations of color changes indicate whether the equilibrium has shifted to favor formation of the products or the reactants. In addition, the effect of a temperature change on the solution at equilibrium can be obs

 JoVE Medicine

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models

1Department of Otolaryngology - Head and Neck Surgery, University of Missouri, 2Department of Communication Science and Disorders, University of Missouri, 3Department of Medicine, University of Missouri

JoVE 52319

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