Open Access DOI:10.23937/2469-5718/1510011
Feasibility of Focused Cardiac Ultrasound in Pre-participation Screening
Miriam L. Fishman, Jennifer Shea, Brian G. Choi and Allen J. Solomon
Article Type: Original Research | First Published: May 29, 2015
Objective: Current American Heart Association (AHA) guidelines for pre-participation athletic screening recommend a 12-point history and exam to minimize the risk of sudden cardiac death. We tested the hypothesis that focused cardiac ultrasound (FCU) performed and simultaneously interpreted by a cardiologist using a handheld ultrasound device would be a feasible addition. Methods: We performed pre-participation screening according to AHA recommendations on high school athletes in a multi-purpose...
Open Access DOI:10.23937/2469-5718/1510010
A New View of Responses to First-Time Barefoot Running
Michael Wilkinson, Nick Caplan, Richard Akenhead and Philip R Hayes
Article Type: Original Investigation | First Published: May 28, 2015
We examined acute alterations in gait and oxygen cost from shod to-barefoot running in habitually-shod well-trained runners with no prior experience of running barefoot. Thirteen runners completed six-minute treadmill runs shod and barefoot on separate days at a mean speed of 12.5km.h-1. Steady-state oxygen cost in the final minute was recorded. Kinematic data were captured from 30-consecutive strides. Mean differences between conditions were estimated with 90% confidence intervals....
Open Access DOI:10.23937/2469-5718/1510009
Eccentric Loading Increases Peak Torque Angle of the Ankle Plantar Flexors in Healthy Volunteers
Matthew Wellisch, Peter Hamer, Luke Hopper, Max Bulsara and James Debenham
Article Type: Original Research | First Published: May 24, 2015
Eccentric loading of the ankle plantar Flexor's (PF) has demonstrated clinical efficacy in the conservative treatment of Achilles tendinopathy, however, its mechanism of therapeutic benefit remains unclear. The purpose of this study was to examine the effects of PF eccentric loading on PF angle to peak torque (AtPT), peak torque (PT) and lower limb vertical stiffness. Thirty healthy volunteers were randomised to an eccentric (n=15) or concentric (n=13) exercise group....
Open Access DOI:10.23937/2469-5718/1510008
Exercise and Stem Cell Therapeutics for the Infarcted Heart
Joseph R Libonati
Article Type: Commentary | First Published: May 18, 2015
Heart failure afflicts 5.1 million individuals in the United States and its prevalence is expected to increase 25% by 2030. It is associated with a poor quality of life, increased mortality, and is extremely expensive to health care systems. The progressive loss of cardiomyocytes is a central feature of heart failure from multiple etiologies....
Open Access DOI:10.23937/2469-5718/1510007
Effectiveness of Bracing and Taping, and the Influence of Light Finger Touch, During Unexpected Ankle Inversion Perturbations
J. Daniel Freedman, Youngmin Jun, David A. Humphreys and James P Dickey
Article Type: Orginal Research | First Published: May 15, 2015
Ankles are the most frequent site of musculoskeletal injury and a major cause for lost time in sports. Taping and bracing are commonly used to support unstable ankle joints. The purpose of this project was to evaluate whether taping or bracing effectively reduce ankle motion, or alter the timing or amplitude of muscle activation, during unexpected perturbations. 14 male subjects stood on their right foot on an inversion motion platform and underwent a sudden inversion....
