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https://www.readbyqxmd.com/read/28822329/changes-in-gluteal-muscle-forces-with-alteration-of-footstrike-pattern-during-running
#1
Charles Nathan Vannatta, Thomas W Kernozek, Naghmeh Gheidi
Gait retraining is a common form of treatment for running related injuries. Proximal factors at the hip have been postulated as having a role in the development of running related injuries. How altering footstrike affects hip muscles forces and kinematics has not been described. Thus, we aimed to quantify differences in hip muscle forces and hip kinematics that may occur when healthy runners are instructed to alter their foot strike pattern from their habitual rear-foot strike to a forefoot strike. This may gain insight on the potential etiology and treatment methods of running related lower extremity injury...
August 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28820647/acute-fatigue-negatively-affects-risk-factors-for-injury-in-trained-but-not-well-trained-habitually-shod-runners-when-running-barefoot
#2
Nicholas Tam, Devon R Coetzee, Safwaan Ahmed, Robert P Lamberts, Yumna Albertus-Kajee, Ross Tucker
INTRODUCTION: Many factors may contribute to running-related injury. These include fatigue and footwear, the combination of which has rarely been studied, in particular with reference to barefoot running, recently advocated as a method to reduce injury risk. METHODS: Twenty-two runners (12 well-trained and 10 trained) participated in a 10 km fatiguing trial. Knee and ankle joint kinematics and kinetics and electromyography were assessed during overground running in the barefoot and shod condition...
August 18, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28812039/three-dimensional-biomechanical-analysis-of-rearfoot-and-forefoot-running
#3
Sebastian Knorz, Felix Kluge, Kolja Gelse, Stefan Schulz-Drost, Thilo Hotfiel, Matthias Lochmann, Björn Eskofier, Sebastian Krinner
BACKGROUND: In the running community, a forefoot strike (FFS) pattern is increasingly preferred compared with a rearfoot strike (RFS) pattern. However, it has not been fully understood which strike pattern may better reduce adverse joint forces within the different joints of the lower extremity. PURPOSE: To analyze the 3-dimensional (3D) stress pattern in the ankle, knee, and hip joint in runners with either a FFS or RFS pattern. STUDY DESIGN: Descriptive laboratory study...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28802455/from-control-to-causation-validating-a-complex-systems-model-of-running-related-injury-development-and-prevention
#4
A Hulme, P M Salmon, R O Nielsen, G J M Read, C F Finch
INTRODUCTION: There is a need for an ecological and complex systems approach for better understanding the development and prevention of running-related injury (RRI). In a previous article, we proposed a prototype model of the Australian recreational distance running system which was based on the Systems Theoretic Accident Mapping and Processes (STAMP) method. That model included the influence of political, organisational, managerial, and sociocultural determinants alongside individual-level factors in relation to RRI development...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28777927/carbohydrate-and-protein-intake-during-exertional-heat-stress-ameliorates-intestinal-epithelial-injury-and-small-intestine-permeability
#5
Rhiannon M J Snipe, Anthony Khoo, Cecilia M Kitic, Peter Gibson, Ricardo J S Costa
BACKGROUND: Exertional-heat stress (EHS) disturbs the integrity of the gastrointestinal tract leading to endotoxaemia and cytokinaemia, which have symptomatic and health implications. This study aimed to determine the effects of carbohydrate and protein intake during EHS on gastrointestinal integrity, symptoms and systemic responses. METHODS: Eleven (male n=6, female n=5) endurance runners completed 2h running at 60% V̇O2max in 35°C ambient temperature on three occasions in randomised order, consuming water (WATER) or 15g glucose (GLUC) or energy-matched whey protein hydrolysate (WPH) before and every 20min during EHS...
August 4, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28772336/the-effect-of-clinical-pilates-on-functional-movement-in-recreational-runners
#6
Anna Laws, Sean Williams, Cassie Wilson
Biomechanical imbalances and inefficient functional movements are considered contributing factors to running-related injuries. Clinical Pilates uses a series of exercises focused on retraining normal movement patterns. This study investigated whether a 6-week course of Clinical Pilates improves functional movement and thereby, potentially, reduces the risk of running-related injuries associated with movement dysfunction. A modified functional movement screen was used to analyze the functional movement ability of forty runners...
August 3, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28768339/habitual-minimalist-shod-running-biomechanics-and-the-acute-response-to-running-barefoot
#7
Nicholas Tam, Ian A J Darragh, Nikhil V Divekar, Robert P Lamberts
The aim of the study was to determine whether habitual minimalist shoe runners present with purported favorable running biomechanithat reduce running injury risk such as initial loading rate. Eighteen minimalist and 16 traditionally cushioned shod runners were assessed when running both in their preferred training shoe and barefoot. Ankle and knee joint kinetics and kinematics, initial rate of loading, and footstrike angle were measured. Sagittal ankle and knee joint stiffness were also calculated. Results of a two-factor ANOVA presented no group difference in initial rate of loading when participants were running either shod or barefoot; however, initial loading rate increased for both groups when running barefoot (p=0...
August 2, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28761721/preventing-running-related-injuries-using-evidence-based-online-advice-the-design-of-a-randomised-controlled-trial
#8
Tryntsje Fokkema, Robert-Jan de Vos, John M van Ochten, Jan An Verhaar, Irene S Davis, Patrick Je Bindels, Sita Ma Bierma-Zeinstra, Marienke van Middelkoop
INTRODUCTION: Running-related injuries (RRIs) are frequent and can lead to cessation of health promoting activities. Several risk factors for RRIs have been identified. However, no successful injury prevention programme has been developed so far. Therefore, the aim of the present study is to investigate the effect of an evidence-based online injury prevention programme on the number of RRIs. METHODS AND ANALYSIS: The INSPIRE trial is a randomised-controlled trial with a 3-month follow-up...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28742606/functional-movement-screening-and-injury-rates-in-high-school-and-collegiate-runners-a-retrospective-analysis-of-3-prospective-observational-studies
#9
Benjamin V Bring, Miriam Chan, Robin C Devine, Christy L Collins, Jason Diehl, Benjamin Burkam
OBJECTIVE: Determine if the Functional Movement Screening (FMS) can be used to predict injury in high school and collegiate cross-country and track runners. DESIGN: Prospective Observational, Cohort Study, Level of Evidence, 2. SETTING: High schools and colleges in the Central Ohio area. PATIENTS: Inclusion: (1) cross-country or track runners at participating schools; (2) full participation without restrictions; and (3) signed informed assent or consent...
July 21, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28739330/erratum-regarding-kidney-injury-and-repair-biomarkers-in-marathon-runners-am-j-kidney-dis-2017-70-2-252-261
#10
(no author information available yet)
No abstract text is available yet for this article.
July 1, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28731978/differences-in-spatiotemporal-parameters-between-trained-runners-and-untrained-participants
#11
Josué Gómez-Molina, Ana Ogueta-Alday, Christopher Stickley, Jesús Cámara, Jon Cabrejas-Ugartondo, Juan García-López
Gómez-Molina, J, Ogueta-Alday, A, Stickley, C, Tobalina, JC, Cabrejas-Ugartondo, J, and García-López, J. Differences in spatiotemporal parameters between trained runners and untrained participants. J Strength Cond Res 31(8): 2169-2175, 2017-The aim of this study was to compare the spatiotemporal parameters of trained runners and untrained participants with the same foot strike pattern (rearfoot) during running at controlled speeds. Twenty-one participants were classified in 2 groups according to their training experience: Trained (n = 10, amateur runners with long distance training experience) and Untrained (n = 11, healthy untrained participants)...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28730917/novice-runners-show-greater-changes-in-kinematics-with-fatigue-compared-with-competitive-runners
#12
Ellen Maas, Jorien De Bie, Riet Vanfleteren, Wouter Hoogkamer, Benedicte Vanwanseele
Fatigue, developed over the course of a run, may cause changes in running kinematics. Training status may influence the effect of fatigue on running kinematics, since well trained, competitive runners are used to running until exhaustion, whereas novice runners are not. This study aimed to determine changes in running kinematics during an exhaustive run in both novice (NOVICE) and competitive (COMP) long-distance runners. About 15 NOVICE and 15 COMP runners performed a treadmill run, until voluntary exhaustion at 3,200 m time trial pace...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28686085/conceptualizing-minimalist-footwear-an-objective-definition
#13
Devon R Coetzee, Yumna Albertus, Nicholas Tam, Ross Tucker
Running has been plagued with an alarmingly high incidence of injury, which has resulted in the exploration of interventions aimed at reducing the risk of running-related injury. One such intervention is the introduction of footwear that mimics barefoot running. These have been termed minimalist shoes. Minimalist footwear aims to reduce the risk of injury by promoting adaptations in running biomechanics that have been linked to a reduction in both impact and joint forces. However, some studies have found that minimalist footwear may be beneficial to the runner as they promote favourable biomechanical adaptations, whilst other studies have found the opposite to be true...
July 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28679502/ibuprofen-versus-placebo-effect-on-acute-kidney-injury-in-ultramarathons-a-randomised-controlled-trial
#14
Grant S Lipman, Kate Shea, Mark Christensen, Caleb Phillips, Patrick Burns, Rebecca Higbee, Viktoria Koskenoja, Kurt Eifling, Brian J Krabak
BACKGROUND: Despite concerns that non-steroidal anti-inflammatory drugs (NSAIDs) contribute to acute kidney injury (AKI), up to 75% of ultramarathon runners ingest these during competition. The effect of NSAID on AKI incidence in ultramarathon runners is unclear. METHODS: Multisite randomised double-blind placebo-controlled trial in the Gobi, Atacama, Ecuador and Sri Lankan deserts to determine whether ibuprofen (400 mg every 4 hours) would be non-inferior to placebo during a 50-mile (80 km) foot race...
July 5, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28659838/the-robust-running-ape-unraveling-the-deep-underpinnings-of-coordinated-human-running-proficiency
#15
REVIEW
John Kiely
In comparison to other mammals, humans are not especially strong, swift or supple. Nevertheless, despite these apparent physical limitations, we are among Natures most superbly well-adapted endurance runners. Paradoxically, however, notwithstanding this evolutionary-bestowed proficiency, running-related injuries, and Overuse syndromes in particular, are widely pervasive. The term 'coordination' is similarly ubiquitous within contemporary coaching, conditioning, and rehabilitation cultures. Various theoretical models of coordination exist within the academic literature...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28654811/return-to-running-following-knee-osteochondral-repair-using-an-anti-gravity-treadmill-a-case-report
#16
Karen Hambly, Somruthai Poomsalood, Emma Mundy
BACKGROUND: The purpose of this study was to assess the impact of an anti-gravity treadmill return to running programme on self-efficacy and subjective knee function following knee osteochondral surgery. CASE DESCRIPTION: A 39-year-old otherwise healthy female endurance runner with a left knee femoral cartilage grade 3-4 defect 3 cm(2). The patient underwent single step arthroscopic microfracture with Bone Marrow Aspirate Concentrate. An AlterG(®) anti-gravity treadmill was used to manipulate loading during a graduated phased return to running over 8 weeks...
July 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28641058/acute-kinematics-changes-in-marathon-runners-using-different-footwear
#17
Tania Socorro Amorim Soares, Camila Fonseca de Oliveira, Federico Pizzuto, Rui Manuel Garganta, João Paulo Vila-Boas, Mario Casimiro da Anunciação Paiva
The effects of running with or without shoes on injury prevention have been extensively studied, and several investigations have assessed biomechanical differences between them. However, findings are not consensual and further insights on biomechanical load associated with differently shod or barefoot conditions may be needed. This study aimed to observe if habitually shod marathon runners show acute alterations when running barefoot or with minimalist shoes, and to determine whether the running kinematical adaptations of wearing minimalist shoes were similar to barefoot running...
June 22, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28632060/the-collision-forces-and-lower-extremity-inter-joint-coordination-during-running
#18
Li-I Wang, Chin-Yi Gu, I-Lin Wang, Sheng-Wun Siao, Szu-Ting Chen
The purpose of this study was to compare the lower extremity inter-joint coordination of different collision forces runners during running braking phase. A dynamical system approach was used to analyse the inter-joint coordination parameters. Data were collected with six infra-red cameras and two force plates. According to the impact peak of the vertical ground reaction force, twenty habitually rearfoot-strike runners were categorised into three groups: high collision forces runners (HF group, n = 8), medium collision forces runners (MF group, n = 5), and low collision forces runners (LF group, n = 7)...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28624711/does-the-powers%C3%A2-strap-influence-the-lower-limb-biomechanics-during-running
#19
Henrike Greuel, Lee Herrington, Anmin Liu, Richard K Jones
Previous research has reported a prevalence of running related injuries in 25.9% to 72% of all runners. A greater hip internal rotation and adduction during the stance phase in running has been associated with many running related injuries, such as patellofemoral pain. Researchers in the USA designed a treatment device 'the Powers™ strap' to facilitate an external rotation of the femur and to thereby control abnormal hip and knee motion during leisure and sport activities. However, to date no literature exists to demonstrate whether the Powers™ strap is able to reduce hip internal rotation during running...
June 3, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28618309/exertion-and-pain-do-not-alter-coordination-variability-in-runners-with-iliotibial-band-syndrome
#20
Jocelyn F Hafer, Allison M Brown, Katherine A Boyer
BACKGROUND: Iliotibial band syndrome is a common overuse running injury which results in altered mechanics. While injuries alter discrete mechanics, they may also cause a change in coordination variability, the stride-to-stride organization of runners' movement patterns. Uninjured and injured runners may experience a change in coordination variability during a run to exertion due to fatigue, pain, or a combination of these factors. The aim of the current study was to determine if runners with iliotibial band syndrome and uninjured runners display different segment coordination variability across the course of a run to exertion...
June 8, 2017: Clinical Biomechanics
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