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International Journal of

Sports and Exercise MedicineISSN: 2469-5718

Archive

 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 | Indexed Archive: Volume 1

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 | Indexed Archive: Volume 1

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 | Indexed Archive: Volume 1

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 | Indexed Archive: Volume 1

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 | Indexed Archive: Volume 1

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....

 Open Access DOI:10.23937/2469-5718/1510006

Influence of 120-Day Stimulated Microgravity with Countermeasures on Human Muscle Musculo-Tendinous Stiffness and Contractile Properties

Yuri A Koryak

Article Type: Research Article | Indexed Archive: Volume 1

It is well known that the unloading of the musculoskeletal system by actual or simulated microgravity causes numerous changes in the musculoskeletal system, such as muscular atrophy and decreased contraction strength, both after relatively short-term (10-17) and long-term (>5 weeks) periods of unloading. The deterioration of musculoskeletal function causes no direct health hazards and does not affect the capacity for work during short-term space missions....

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