We haven’t forgotten: Been busy

We haven’t forgotten to post anything. Just getting ready for Issue #2. More information to come.

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Compression Stockings for Runners: #Friend, #Foe, or #Fake

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http://natajournals.org/doi/abs/10.4085/1062-6050-48.1.26

Objective: To assess the effect of graduated compression stockings (GCS) on lower leg volume and leg complaints in runners during and after exercise.

Design: Cross-sectional study.

Setting: Radboud University Nijmegen Medical Centre and an outdoor running track in Nijmegen, The Netherlands.

Patients or Other Participants: Thirteen Dutch trained recreational runners.

Intervention(s): Participants used a GCS on 1 leg during running.

Main Outcome Measures: (1) Lower leg volume of both legs was measured at baseline, directly after running, and at 5 minutes and 30 minutes after running using a validated perometer. (2) Leg complaints were reported on questionnaires at set intervals.

Results: (1) In both experiments, the legs with GCS showed a reduction in mean (± SEM) leg volume directly after running, as compared with the leg without GCS: −14.1 ± 7.6 mL (P = .04) for the 10-km running track and −53.5 ± 17.8 mL (P = .03) for the maximum exercise test. This effect was not observed at 5 and 30 minutes after running. (2) No differences in leg complaints were reported in either experiment.

Conclusions: The GCS prevented an increase in leg volume just after the running exercise. However, this result was not accompanied by a reduction in subjective questionnaire-reported leg complaints. The practical consequences of the present findings need further study.

Whole-Body Vibration – Does it work? #sttmforum

This study examined the acute effects of whole-body vibration (WBV) on knee joint position sense and indices of neuromuscular function, specifically strength, electromechanical delay and the rate of force development. Electromyography and electrically evoked contractions were used to investigate neural and contractile responses to WBV. Fourteen healthy males completed two treatment conditions on separate occasions: (1) 5 × 1 min of unilateral isometric squat exercise on a synchronous vibrating platform [30 Hz, 4 mm peak-to-peak amplitude] (WBV) and (2) a control condition (CON) of the same exercise without WBV. Knee joint position sense (joint angle replication task) and quadriceps neuromuscular function were assessed pre-, immediately-post and 1 h post-exercise. During maximum voluntary knee extensions, the peak force (PFV), electromechanical delay (EMDV), rate of force development (RFDV) and EMG of the quadriceps were measured. Twitch contractions of the knee extensors were electrically evoked to assess EMDE and RFDE. The results showed no influence of WBV on knee joint position, EMDV, PFV and RFDV during the initial 50, 100 or 150 ms of contraction. Similarly, electrically evoked neuromuscular function and neural activation remained unchanged following the vibration exercise. A single session of unilateral WBV did not influence any indices of thigh muscle neuromuscular performance or knee joint proprioception.

http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0838.2011.01361.x/abstract

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If you have any other papers or articles around Whole Body Vibration please post and comment below.

Consensus statement on #concussion in sport: the 4th International Conference on Concussion in Sport held in Zurich, November 2012

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http://bjsm.bmj.com/content/47/5/250.extract

Preamble

This paper is a revision and update of the recommendations developed following the 1st (Vienna 2001), 2nd (Prague 2004) and 3rd (Zurich 2008) International Consensus Conferences on Concussion in Sport and is based on the deliberations at the 4th International Conference on Concussion in Sport held in Zurich, November 2012.1–3

The new 2012 Zurich Consensus statement is designed to build on the principles outlined in the previous documents and to develop further conceptual understanding of this problem using a formal consensus-based approach. A detailed description of the consensus process is outlined at the end of this document under the Background section. This document is developed primarily for use by physicians and healthcare professionals who are involved in the care of injured athletes, whether at the recreational, elite or professional level.

While agreement exists pertaining to principal messages conveyed within this document, the authors acknowledge that the science of concussion is evolving, and therefore management and return to play (RTP) decisions remain in the realm of clinical judgement on an individualised basis. Readers are encouraged to copy and distribute freely the Zurich Consensus document, the Concussion Recognition Tool (CRT), the Sports Concussion Assessment Tool V.3 (SCAT3) and/or the Child SCAT3 card and none are subject to any restrictions, provided they are not altered in any way or converted to a digital format. The authors request that the document and/or the accompanying tools be distributed in their full and complete format.

This consensus paper is broken into a number of sections

  1. A summary of concussion and its management, with updates from the previous meetings;

  2. Background information about the consensus meeting process;

  3. A summary of the specific consensus questions discussed at this meeting;

  4. The Consensus paper should be read in conjunction with the SCAT3 assessment tool, the Child SCAT3 and the CRT …

Sport Science and Medicine Journal List #allyouneedtoknow

Here is a list of all the different sport science and sports medicine journals. A great resource!

Applied Physiology

  • Journal of Physiology
  • American Journal of Physiology
  • Medicine and Science in Sports and Exercise
  • Exercise and Sport Sciences Reviews
  • Scandinavian Journal of Medicine & Science in Sports
  • European Journal of Applied Physiology
  • Journal of Science and Medicine in Sport 
  • Human Movement Science
  • Journal of Aging and Physical Activity
  • Journal of Athletic Training
  • Journal of Sports Sciences
  • Research Quarterly for Exercise and Sport
  • Pediatric Exercise Science
  • European Journal of Sport Science
  • Journal of Strength and Conditioning Research 
  • Journal of Sports Science and Medicine
  • Australian Journal of Science and Medicine in Sport
  • Biology of Sport
  • Journal of Human Kinetics

Sports Medicine Journals

  • American Journal of Sports Medicine
  • Exercise and Immunology Reviews
  • Journal of Epidemiology and Community Health
  • Sports Medicine
  • Archives of Physical Medicine and Rehabilitation
  • Physical Therapy
  • British Journal of Sports Medicine
  • Journal of Occupational & Environmental Medicine
  • Australian Journal of Physiotherapy
  • Journal of Orthopaedic & Sports Physical Therapy
  • American Journal of Physical Medicine & Rehabilitation
  • High Altitude Medicine and Biology
  • Clinical Journal of Sport Medicine
  • International Journal of Sports Medicine
  • Clinics in Sports Medicine
  • Sports Medicine and Arthroscopy Review
  • Aviation Space and Environmental Medicine
  • Physical Therapy in Sport
  • Applied Physiology, Nutrition, and Metabolism: a bimonthly journal, first published as the Canadian Journal of Sport Sciences, and then the Canadian Journal of Applied Physiology. It publishes original research articles, reviews, and commentaries, focussing on the application of physiology, nutrition, and metabolism to the study of human health, physical activity, and fitness.

Sports Psychology Journals

  • Journal of Applied Psychology
  • Journal of Sport and Exercise Psychology
  • Behavior Research Methods
  • Psychology of Sport and Exercise
  • Journal of Clinical Psychology
  • Journal of Social and Clinical Psychology
  • Applied Psychology-International Review
  • Journal of Applied Sport Psychology
  • (The) Sport Psychologist
  • Sociology of Sport Journal
  • International Journal of Sport Psychology

Sports Nutrition Journals

  • Journal of Nutrition
  • Clinical Nutrition
  • European Journal of Clinical Nutrition
  • Applied Physiology Nutrition & Metabolism
  • International J of Sport Nutrition & Exercise Metabolism
  • Nutrition and Dietetics

Sports Biomechanics Journals

  • Journal of Biomechanics
  • Gait and Posture
  • Clinical Biomechanics
  • Journal of Electromyography and Kinesiology
  • Ergonomics
  • Motor Control
  • Applied Ergonomics
  • Journal of Applied Biomechanics
  • Journal of Motor Behaviour
  • Sports Biomechanics.
  • Journal of Human Kinetics

others

  • Journal of Sport Management
  • Sport, Education, and Society

Thanks to Top End Sports @ http://www.topendsports.com/index.htm3 for all the information. 

Relationships Between Ground Reaction Impulse and Sprint Acceleration Performance in Team Sport Athletes

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http://journals.lww.com/nsca-jscr/Abstract/2013/03000/Relationships_Between_Ground_Reaction_Impulse_and.2.aspx

There will need to be further research into horizontal movement patterns. Abstract below:

 

Abstract

 

Abstract: Kawamori, N, Nosaka, K, and Newton, RU. Relationships between ground reaction impulse and sprint acceleration performance in team sport athletes. J Strength Cond Res27(3): 568–573, 2013—Large horizontal acceleration in short sprints is a critical performance parameter for many team sport athletes. It is often stated that producing large horizontal impulse at each ground contact is essential for high short sprint performance, but the optimal pattern of horizontal and vertical impulses is not well understood, especially when the sprints are initiated from a standing start. This study was an investigation of the relationships between ground reaction impulses and sprint acceleration performance from a standing start in team sport athletes. Thirty physically active young men with team sport background performed 10-m sprint from a standing start, whereas sprint time and ground reaction forces were recorded during the first ground contact and at 8 m from the start. Associations between sprint time and ground reaction impulses (normalized to body mass) were determined by a Pearson’s correlation coefficient (r) analysis. The 10-m sprint time was significantly (p < 0.01) correlated with net horizontal impulse (r = −0.52) and propulsive impulse (r = −0.66) measured at 8 m from the start. No significant correlations were found between sprint time and impulses recorded during the first ground contact after the start. These results suggest that applying ground reaction impulse in a more horizontal direction is important for sprint acceleration from a standing start. This is consistent with the hypothesis of training to increase net horizontal impulse production using sled towing or using elastic resistance devices, which needs to be validated by future longitudinal training studies.

 

Dora Helmet Concept

Great idea – Safety is the most important issue on roads for cyclists. Especially professional athletes who are out there the most often.

Great find @BikeWar

BikeWar

Fresh from the International Bicycle Design Competition, industrial design student Balázs Filczer from Budapest designed this helmet concept integrating hi-tech lighting and signaling to increase night time bicycle safety.  Just a concept, obviously; weight, battery life, weather resistance, safety protection, venting, and aerodynamic qualities are just a few of the technical hurdles we can foresee that would need to be addressed.

Dora-Bicycle-Helmet-concept-5-640x446

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