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https://www.readbyqxmd.com/read/29236137/-knee-pain-in-a-female-marathon-runner
#1
B Jobke
No abstract text is available yet for this article.
December 13, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29209417/do-athletes-alter-their-running-mechanics-after-an-achilles-tendon-rupture
#2
Daniel Jandacka, Julia Freedman Silvernail, Jaroslav Uchytil, David Zahradnik, Roman Farana, Joseph Hamill
Background: Over the past thirty years, there has been dramatic increase in incidence of Achilles tendon rupture in the athletic population. The purpose of this study was to compare the lower extremity mechanics of Achilles tendon ruptured runners with healthy controls. Methods: The participants with a past history of an Achilles tendon repair (n = 11) and healthy control (n = 11) subgroups were matched on sex, age, type of regular physical activity, mass, height, footfall pattern and lateral dominancy...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29172394/subchondral-insufficiency-fracture-in-the-lateral-compartment-of-the-knee-in-a-64-year-old-marathon-runner
#3
Vincent Vg An, Mathias van den Broek, Sam Oussedik
A 64-year-old marathon runner presented to our clinic with a history of worsening pain in her left knee. Following magnetic resonance imaging, the diagnosis of subchondral insufficiency fracture of the knee (SIFK) was made. A course of conservative management via bisphosphonates was initiated. The patient successfully recovered and returned to full athletic function, having recently returned to competitive marathon running. This article aims to present this unusual case of lateral compartment SIFK and summarise the literature on this uncommon condition...
December 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29164109/identification-of-directed-interactions-in-kinematic-data-during-running
#4
Giovana Y Nakashima, Theresa H Nakagawa, Ana F Dos Santos, Fábio V Serrão, Michel Bessani, Carlos D Maciel
The knowledge of motion dynamics during running activity is crucial to enhance the development of rehabilitation techniques and injury prevention programs. Recent studies investigated the interaction between joints, using several analysis techniques, as cross-correlation, sensitivity analysis, among others. However, the direction of the joints pairing is still not understood. This paper proposes a study of the influence direction pattern in healthy runners by using kinematic data together with partial directed coherence, a frequency approach of Granger causality...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29126956/effect-of-graduated-compression-stockings-on-venous-lower-limb-hemodynamics-in-healthy-amateur-runners
#5
Oswaldo Teno Castilho Junior, Nei Rodrigues Alves Dezotti, Marcelo Bellini Dalio, Edwaldo Edner Joviliano, Carlos Eli Piccinato
OBJECTIVE: The objective of this study was to analyze the effect of graduated compression stockings (GCS) on venous lower limb hemodynamics in healthy amateur runners. METHODS: Ten runners were evaluated during rest and after a 10-km run without and with knee-high GCS of 20 to 30 mm Hg. Air plethysmography evaluated venous filling index (VFI), ejection fraction, and residual volume fraction (RVF) in both limbs. Capillary lactate level and heart rate were also measured...
November 7, 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29100250/gait-retraining-from-rearfoot-strike-to-forefoot-strike-does-not-change-running-economy
#6
Jenevieve Lynn Roper, Deborah Doerfler, Len Kravitz, Janet S Dufek, Christine Mermier
Gait retraining is a method for management of patellofemoral pain, which is a common ailment among recreational runners. The present study investigated the effects of gait retraining from rearfoot strike to forefoot strike on running economy, heart rate, and respiratory exchange ratio immediately post-retraining and one-month post-retraining in recreational runners with patellofemoral pain. Knee pain was also measured. Sixteen participants (n=16) were randomly placed in the control (n=8) or experimental (n=8) group...
November 3, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29077639/short-trail-running-race-beyond-the-classic-model-for-endurance-running-performance
#7
Sabine Ehrström, Marcus P Tartaruga, Christopher S Easthope, Jeanick Brisswalter, Jean-Benoit Morin, Fabrice Vercruyssen
PURPOSE: To examine the extent to which the classical physiological variables of endurance running performance [VO2max, %VO2max at ventilatory threshold (VT), and running economy (RE)], but also muscle strength factors contribute to short trail running (TR) performance. METHODS: A homogeneous group of nine highly-trained trail runners performed an official TR race (27-km) and laboratory-based sessions to determine VO2max, %VO2max at VT, level RE (RE0%) and RE on a +10% slope (RE+10%), voluntary concentric and eccentric knee extension torques (MVCCon and MVCEcc, respectively), local endurance assessed by a fatigue index (FI) and a time to exhaustion at 87...
October 26, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29077638/gait-kinematics-in-individuals-with-acute-and-chronic-patellofemoral-pain
#8
Aaron Fox, Reed Ferber, Natalie Saunders, Sean Osis, Jason Bonacci
PURPOSE: This study aimed to identify the discriminating kinematic gait characteristics between individuals with acute and chronic patellofemoral pain (PFP), and healthy controls. METHODS: Ninety-eight runners with PFP (39 male, 59 female) and 98 healthy control runners (38 male, 60 female) ran on a treadmill at a self-selected speed while three-dimensional lower limb kinematic data were collected. Runners with PFP were split into acute (n = 25) and chronic (n = 73) sub-groups based on whether they had been experiencing pain for less or greater than three months, respectively...
October 26, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29062393/running-injuries-in-the-participants-of-ljubljana-marathon
#9
Luka Vitez, Petra Zupet, Vesna Zadnik, Matej Drobnič
INTRODUCTION: The aim of our study was to determine the self-reported incidence and prevalence of running-related injuries among participants of the 18(th) Ljubljana Marathon, and to identify risk factors for their occurrence. METHODS: A customized questionnaire was distributed over registration. Independent samples of t-test and chi-square test were used to calculate the differences in risk factors occurrence in the injured and non-injured group. Factors which appeared significantly more frequently in the injured group were included further into multiple logistic regression analysis...
October 2017: Zdravstveno Varstvo
https://www.readbyqxmd.com/read/29054746/the-influence-of-cadence-and-shoes-on-patellofemoral-joint-kinetics-in-runners-with-patellofemoral-pain
#10
Jason Bonacci, Michelle Hall, Aaron Fox, Natalie Saunders, Tristan Shipsides, Bill Vicenzino
OBJECTIVES: To determine the effect of a combination of a minimalist shoe and increased cadence on measures of patellofemoral joint loading during running in individuals with patellofemoral pain. DESIGN: Within-participant repeated measures with four conditions presented in random order: (1) control shoe at preferred cadence; (2) control shoe with +10% cadence; (3) minimalist shoe at preferred cadence; (4) minimalist shoe with +10% cadence. METHODS: Fifteen recreational runners with patellofemoral pain ran on an instrumented treadmill while three-dimensional motion capture data were acquired...
October 6, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29035979/effect-of-a-commercially-available-footwear-insole-on-biomechanical-variables-associated-with-common-running-injuries
#11
Ryan T Lewinson, Darren J Stefanyshyn
OBJECTIVE: To determine whether Dr. Scholl's Active Series (DSAS) footwear insoles alter biomechanical variables associated with running injuries. DESIGN: Randomized, controlled experiment. SETTING: Sport medicine and biomechanics gait analysis laboratory. PARTICIPANTS: Fifteen healthy adults. INTERVENTIONS: The control condition was the participant's own athletic footwear. The experimental condition was the participant's own athletic footwear plus a DSAS insole...
October 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29016393/biomechanical-implications-of-training-volume-and-intensity-in-aging-runners
#12
Max R Paquette, Paul DeVita, D S Blaise Williams
Running speed is slower in middle-aged compared to younger runners due to reduced ankle but not hip and knee kinetic output. Running-specific training helps attenuate age-related declines in measures of endurance, muscle strength and gait speed. Considering the adaptability of the human body in response to imposed stresses, maintaining training volume and intensity may play a role in modifying running biomechanics in middle-aged runners. PURPOSE: To compare running biomechanics between young and middle-aged runners when controlling for the confounding effects of training volume and intensity...
October 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28993130/gait-retraining-versus-foot-orthoses-for-patellofemoral-pain-a-pilot-randomised-clinical-trial
#13
Jason Bonacci, Michelle Hall, Natalie Saunders, Bill Vicenzino
OBJECTIVES: To determine the feasibility of a clinical trial that compares a 6-week, physiotherapist-guided gait retraining program with a foot orthoses intervention in runners with patellofemoral pain. DESIGN: Pilot randomised controlled trial. METHODS: Runners aged 18-40 years with clinically diagnosed patellofemoral pain were randomly allocated to either a 6-week gait retraining intervention of increasing cadence and use of a minimalist shoe or prefabricated foot orthoses...
October 2, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28978462/sex-specific-kinetic-and-kinematic-indicators-of-medial-tibiofemoral-force-during-walking-and-running
#14
Jean-Francois Esculier, Richard W Willy, Michael W Baggaley, Stacey A Meardon, John D Willson
BACKGROUND: Our aims were to (1) Evaluate sex-specific contributions of peak knee flexion moment (pKFM) and peak knee adduction moment (pKAM) in medial tibiofemoral joint (TFJ) force during walking and running; (2) identify kinematic variables to estimate peak medial TFJ force. METHODS: Eighty-seven runners participated (36 females, 51 males; age=23.0±3.8years (1 standard deviation)). Kinematics and kinetics data were collected during treadmill walking (1.3m/s) and running (3...
December 2017: Knee
https://www.readbyqxmd.com/read/28918787/-running-and-causes-of-running-related-injuries
#15
Camilla Kjær Cullum, Peter Hung Thanh Tran, Simon Døssing
Running is one of the most popular sports among the adult Danish population. Overuse injuries of the knee, such as runners knee, jumpers knee, patello-femoral pain syndrome and patello-femoral pre-arthrosis, are common and cause reduction of the health beneficial physical activity. Treatment should primarily focus on adjustment of training habits and physiotherapeutic guided rehabilitation. Other treatment options include changing landing pattern during running, corticosteroid injections, non-steroid anti-inflammatory drugs and ultimately surgery...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28900573/the-effects-of-a-multimodal-rehabilitation-program-on-pain-kinesiophobia-and-function-in-a-runner-with-patellofemoral-pain
#16
Samuele Passigli, Pietro Capacci, Emanuele Volpi
BACKGROUND AND PURPOSE: Multimodal interventions possess the strongest evidence in the long-term management of patellofemoral pain, but despite receiving evidence-based treatments that are initially effective many patients report recurrent or persistent symptoms for years after the initial diagnosis. Untreated psychological factors could be a possible explanation for persistent symptoms and poor treatment outcome. The purpose of this case report was to describe and evaluate the effects of a multimodal rehabilitation program that included pain education, a graded program of lower limb strengthening, and running retraining on pain, kinesiophobia, and function in a runner with patellofemoral pain...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28900569/there-are-no-biomechanical-differences-between-runners-classified-by-the-functional-movement-screen
#17
Rodrigo Ribeiro de Oliveira, Shalimá Figueirêdo Chaves, Yuri Lopes Lima, Márcio Almeida Bezerra, Gabriel Peixoto Leão Almeida, Pedro Olavo de Paula Lima
BACKGROUND: Running has been one of the main choices of physical activity in people seeking an active lifestyle. The Functional Movement Screen (FMS™) is a screening tool that aims to discern movement competency. PURPOSE: The purposes of this study were to compare biomechanical characteristics between two groups rated using the composite FMS™ score, and to analyze the influence of specific individual tests. The hypothesis was that the group that scored above 14 would demonstrate better performance on biomechanical tests than the group that scored below 14...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28837918/biomechanical-analysis-of-gait-waveform-data-exploring-differences-between-shod-and-barefoot-running-in-habitually-shod-runners
#18
Nicholas Tam, Danielle Prins, Nikhil V Divekar, Robert P Lamberts
The aim of this study was to utilise one-dimensional statistical parametric mapping to compare differences between biomechanical and electromyographical waveforms in runners when running in barefoot or shod conditions. Fifty habitually shod runners were assessed during overground running at their current 10-km race running speed. Electromyography, kinematics and ground reaction forces were collected during these running trials. Joint kinetics were calculated using inverse dynamics. One-dimensional statistical parametric mapping one sample t-test was conducted to assess differences over an entire gait cycle on the variables of interest when barefoot or shod (p<0...
October 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
#19
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...
October 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28812039/three-dimensional-biomechanical-analysis-of-rearfoot-and-forefoot-running
#20
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
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