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Articles 1 - 14 of 14
Full-Text Articles in Life Sciences
A History Of Low Back Pain Associates With Altered Electromyographic Activation Patterns In Response To Perturbations Of Standing Balance, Jesse V. Jacobs, Sharon M. Henry, Stephanie L. Jones, Juvena R. Hitt, Janice Y. Bunn
A History Of Low Back Pain Associates With Altered Electromyographic Activation Patterns In Response To Perturbations Of Standing Balance, Jesse V. Jacobs, Sharon M. Henry, Stephanie L. Jones, Juvena R. Hitt, Janice Y. Bunn
Exercise and Sport Studies: Faculty Publications
People with a history of low back pain (LBP) exhibit altered responses to postural perturbations, and the central neural control underlying these changes in postural responses remains unclear. To characterize more thoroughly the change in muscle activation patterns of people with LBP in response to a perturbation of standing balance, and to gain insight into the influence of early- vs. late-phase postural responses (differentiated by estimates of voluntary reaction times), this study evaluated the intermuscular patterns of electromyographic (EMG) activations from 24 people with and 21 people without a history of chronic, recurrent LBP in response to 12 directions of …
Real-Time Feedback As A Method Of Monitoring Walking Velocity During Gait Analysis, Sarah T. Ridge, James G. Richards
Real-Time Feedback As A Method Of Monitoring Walking Velocity During Gait Analysis, Sarah T. Ridge, James G. Richards
Faculty Publications
When quantifying the mechanics of gait, it is important to ensure that subjects maintain a consistent walking velocity during gait analysis trials. Most methods of measuring walking velocity do not produce data until after the subject has completed the trial. This often results in discarding completed trials from analysis because the subject's velocity was not within an acceptable range. Real-time feedback of position data can be used to help subjects adjust their walking velocity during the trial, when necessary. Results from 14 subjects who participated in gait analysis using real-time feedback to monitor their walking velocity show that they were …
Effectiveness Of Group Kickboxing As A Means To Improve Gait And Balance In Individuals With Ms, Kurt Jackson, Kimberly Edginton Bigelow, Christina Cooper, Harold L. Merriman
Effectiveness Of Group Kickboxing As A Means To Improve Gait And Balance In Individuals With Ms, Kurt Jackson, Kimberly Edginton Bigelow, Christina Cooper, Harold L. Merriman
Mechanical and Aerospace Engineering Faculty Publications
In recent years, there has been a particular emphasis on identifying and delivering appropriate therapeutic interventions that address the significant balance and gait impairments that affect individuals with multiple sclerosis (MS). Group interventions implemented in community settings have been especially of interest, including tai chi classes. Recently, the authors conducted a preliminary study to examine whether group kick-boxing, which requires more vigorous movements, might be a feasible intervention. Initial findings showed promise and led the authors to pursue a more rigorous follow-up study, with the objective of determining whether a 5-week group kickboxing class improved clinical measures of balance and …
Validity Of Estimating Minute-By-Minute Energy Expenditure Of Continuous Walking Bouts By Accelerometry, Erin E. Kuffel, Scott E. Crouter, Jere D. Haas, Edward A. Frongillo, David R. Bassett
Validity Of Estimating Minute-By-Minute Energy Expenditure Of Continuous Walking Bouts By Accelerometry, Erin E. Kuffel, Scott E. Crouter, Jere D. Haas, Edward A. Frongillo, David R. Bassett
Kinesiology, Recreation, and Sport Studies Publications and Other Works
Background
Objective measurement of physical activity remains an important challenge. For wearable monitors such as accelerometer-based physical activity monitors, more accurate methods are needed to convert activity counts into energy expenditure (EE).
Purpose
The purpose of this study was to examine the accuracy of the refined Crouter 2-Regression Model (C2RM) for estimating EE during the transition from rest to walking and walking to rest. A secondary purpose was to determine the extent of overestimation in minute-by-minute EE between the refined C2RM and the 2006 C2RM.
Methods
Thirty volunteers (age, 28 ± 7.7 yrs) performed 15 minutes of seated rest, 8 …
Exercise Intensity As A Determinant Of Exercise Induced Hypoalgesia, Karen Y. Wonders, Daniel G. Drury
Exercise Intensity As A Determinant Of Exercise Induced Hypoalgesia, Karen Y. Wonders, Daniel G. Drury
Health Sciences Faculty Publications
The purpose of this study was to examine pain perception during and following two separate 30-min bouts of exercise above and below the Lactate Threshold (LT). Pain Threshold (PT) and Pain Intensity (PI) were monitored during (15 and 30 min) and after exercise (15 and 30 min into recovery) using a Cold Pressor Test (CPT) and Visual Analog Scale (VAS) for pain of the non-dominant hand. Significant differences in PT scores were found both during and after exercise conditions. Post hoc analysis revealed significant differences in PT scores at 30 min of exercise (P=0.024, P=0.02) and 15 min of recovery …
Investigation Of C-Reactive Protein And Leptin As Biomarkers Of Obesity With Potential Clinical Utility, Rachel Ann Friedman
Investigation Of C-Reactive Protein And Leptin As Biomarkers Of Obesity With Potential Clinical Utility, Rachel Ann Friedman
Masters Theses & Specialist Projects
Obesity and its subsequent disease states are major health problems in the United States. In many ways, obesity can be considered a “disease state” itself due to the changes it causes on the body. High-intensity exercise also places acute stress the body, putting humans in recovery from exercise in a state that may be analogous to a temporary disease state. The purpose of this study was to examine biomarkers associated with obesity (CRP and Leptin) before and after continuous and intermittent bouts of exercise in an obese but otherwise healthy sample vs. a healthy, non-obese sample. This investigation focused on …
Interview With Adam Boesel, Green Micro Gym, 2011 (Audio), Adam Boesel
Interview With Adam Boesel, Green Micro Gym, 2011 (Audio), Adam Boesel
All Sustainability History Project Oral Histories
Interview of Adam Boesel by Teresa Celestine at Green Micro Gym Portland, Oregon on July 29th, 2011.
The interview index is available for download.
Muscle Contributions To Frontal And Transverse Plane Whole-Body Angular Momentum, Richard R. Neptune, Craig P. Mcgowan, Allison Kinney
Muscle Contributions To Frontal And Transverse Plane Whole-Body Angular Momentum, Richard R. Neptune, Craig P. Mcgowan, Allison Kinney
Mechanical and Aerospace Engineering Faculty Publications
The purpose of this study was to build upon previous work by analyzing how gravity and individual muscles contribute to frontal and traverse plane whole-body angular momentum. Identifying which muscles are responsible for generating angular momentum has important implications for the diagnosis and treatment of movement disorders.
Acute Arginine Supplementation Fails To Improve Muscle Endurance Or Affect Blood Pressure Responses To Resistance Training, Beau K. Greer, Brett T. Jones
Acute Arginine Supplementation Fails To Improve Muscle Endurance Or Affect Blood Pressure Responses To Resistance Training, Beau K. Greer, Brett T. Jones
All PTHMS Faculty Publications
Dietary supplement companies claim that arginine supplements acutely enhance skeletal muscular endurance. The purpose of this study was to determine whether acute arginine a-ketoglutarate supplementation (AAKG) will affect local muscle endurance of the arm and shoulder girdle or the blood pressure (BP) response to anaerobic exercise. Twelve trained college-aged men (22.6 +/- 3.8 years) performed 2 trials of exercise separated by at least 1 week. At 4 hours before, and 30 minutes before exercise, a serving of an AAKG supplement (3,700 mg arginine alpha-ketoglutarate per serving) or placebo was administered. Resting BP was assessed pre-exercise after 16 minutes of seated …
Human Performance Lab Newsletter, March 2011, St. Cloud State University
Human Performance Lab Newsletter, March 2011, St. Cloud State University
Human Performance Lab Newsletter
Contents of this issue include:
- Kelly's Corner by David Bacharach
- Socket Wall Texture by Janna Miron
- Don’t Lose the Big Picture: Insights for Training by Dennis Madden
- Block Angle in Swim Starts by Kate Kaufmann
- Ischemic Strength Training by Chad Johnson
- HPL Alumni Feature: Dr. Bruce Johnson, 1983
Plasma Fetuin-A Concentrations In Young And Older High- And Low-Active Men, Nathan T. Jenkins, Jennifer A. Mckenzie, James M. Hagberg, Sarah Witkowski
Plasma Fetuin-A Concentrations In Young And Older High- And Low-Active Men, Nathan T. Jenkins, Jennifer A. Mckenzie, James M. Hagberg, Sarah Witkowski
Exercise and Sport Studies: Faculty Publications
Fetuin-A is a liver-derived factor that may play a role in insulin resistance and age-related chronic diseases (eg, type 2 diabetes mellitus and cardiovascular [CV] disease). Regular exercise improves CV risk and insulin sensitivity; however, it is unknown whether chronic exercise training is related to circulating levels of fetuin-A. Therefore, this study examined whether plasma fetuin-A levels were related to age and chronic physical activity in men. We hypothesized that chronic physical activity would be related to lower plasma fetuin-A levels in younger and older men. In healthy high-active (HI) and low-active (LO) young (HI, n = 7; LO, n …
Force Characteristics In Different Shoe Designs, Bryson Nakamura
Force Characteristics In Different Shoe Designs, Bryson Nakamura
Summer Research
Women’s shoes are known to be constructed from the same parameters as men’s shoes but on a smaller scale. However, foot and gait characteristics are different between genders The purpose of this study was to determine if mid-sole design has an effect on ground reaction force characteristics during running, cutting and jumping motions. Twenty-two apparently healthy female (73.8±8.4 kg; 1.74±0.06 m) and seven male (73.5±5.3 kg; 1.68±0.02 m) current or recently graduated NCAA Division III athletes voluntarily participated in this study. Subjects wore four shoes with different mid-sole designs while performing five different actions: running, cutting, shuffling, back cut and …
Case Study On The Development Of The International Journal Of Exercise Science, Scott Lyons Ph.D.
Case Study On The Development Of The International Journal Of Exercise Science, Scott Lyons Ph.D.
Kinesiology, Recreation and Sport Faculty Publications
The International Journal of Exercise Science is a quarterly, online, open access publication dedicated to the dissemination of research in the areas of Exercise Science, Exercise Physiology, Human Performance, Kinesiology, and related disciplines. Dr. James W. Navalta and Dr. T. Scott Lyons (the author), both Associate Professors of Exercise Science at Western Kentucky University, are the founders of the International Journal of Exercise Science (IJES).
IJES is a student-focused journal, in that the editors are specifically seeking research that is led by graduate or undergraduate students. Manuscripts submitted by professionals (defined as those holding a terminal degree) are also gladly …
Akt1 G205t Genotype Influences Obesity-Related Metabolic Phenotypes And Their Responses To Aerobic Exercise Training In Older Caucasians, Jennifer A. Mckenzie, Sarah Witkowski, Andrew T. Ludlow, Stephen M. Roth, James M. Hagberg
Akt1 G205t Genotype Influences Obesity-Related Metabolic Phenotypes And Their Responses To Aerobic Exercise Training In Older Caucasians, Jennifer A. Mckenzie, Sarah Witkowski, Andrew T. Ludlow, Stephen M. Roth, James M. Hagberg
Exercise and Sport Studies: Faculty Publications
As part of the insulin signalling pathway, Akt influences growth and metabolism. The AKT1 gene G205T (rs1130214) polymorphism has potential functional effects. Thus, we determined whether the G205T polymorphism influences metabolic variables and their responses to aerobic exercise training. Following dietary stabilization, healthy, sedentary, 50- to 75-year-old Caucasian men (n= 51) and women (n= 58) underwent 6 months of aerobic exercise training. Before and after completing the intervention, dual-energy X-ray absorptiometry was used to measure percentage body fat, computed tomography to measure visceral and subcutaneous fat, and oral glucose tolerance testing to measure glucose total area under the curve (AUC), …