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https://www.readbyqxmd.com/read/29234566/the-rehabilitation-of-a-runner-with-iliopsoas-tendinopathy-using-an-eccentric-biased-exercise-a-case-report
#1
Carla Rauseo
Background and Purpose: While there is much discussion about tendinopathy in the literature, there is little reference to the less common condition of iliopsoas tendinopathy, and no documentation of the condition in runners. The iliopsoas is a major decelerator of the hip and eccentric loading of the iliopsoas is an important component of energy transfer during running. Eccentric training is a thoroughly researched method of treating tendinopathy but has shown mixed results. The purpose of this case report is to describe the rehabilitation of a runner with iliopsoas tendinopathy, and demonstrate in a creative eccentric-biased technique to assist with treatment...
December 2017: International Journal of Sports Physical Therapy
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/29202625/the-relationship-between-the-use-of-running-applications-and-running-related-injuries
#3
Ellen Kemler, Kalynda Romeijn, Ingrid Vriend, Bionka Huisstede
OBJECTIVES: Training errors are suggested to be an important cause of running-related injuries (RRI). As most runners train individually, digital coaching using running applications is becoming increasingly popular. However, the quality of these applications is unknown. The aim of the present cross-sectional study was to evaluate the relationship between the use of running applications and running-related injuries. METHODS: An online questionnaire was used to collect data on running activities of 1,029 runners, their injuries, and the association between the use of running applications and running-related injuries...
December 5, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29194186/the-impact-of-different-cross-training-modalities-on-performance-and-injury-related-variables-in-high-school-cross-country-runners
#4
Max R Paquette, Shelby A Peel, Ross E Smith, Mark Temme, Jeffrey N Dwyer
There are many different types of aerobic cross-training modalities currently available. It is important to consider the effects that these different modalities have on running performance and injury risks. The purpose of this study was to compare movement quality, running economy and performance, injury-related biomechanical variables and, hip muscle strength before and after training with different cross-training modalities in high school runners. Thirty-one high school male runners trained for four weeks in one of three cross-training modalities, in addition to a running-only (RUN, n=9) group, for which training sessions replaced two easy runs per week: cycling (CYCLE; n=6), indoor elliptical (ELLIP; n=7) and, outdoor elliptical bike (EBIKE; n=9)...
November 29, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29181248/effect-of-heel-lifts-on-patellofemoral-joint-stress-during-running
#5
Zachary Mestelle, Thomas Kernozek, Kelly S Adkins, Jessica Miller, Naghmeh Gheidi
Background: Patellofemoral pain is a debilitating injury for many recreational runners. Excessive patellofemoral joint stress may be the underlying source of pain and interventions often focus on ways to reduce patellofemoral joint stress. Purpose: Heel lifts have been used as an intervention within Achilles tendon rehabilitation programs and to address leg length discrepancies. The purpose of this study was to examine the effect of running with heel lifts on patellofemoral joint stress, patellofemoral stress impulse, quadriceps force, step length, cadence, and other related kinematic and spatiotemporal variables...
October 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29172095/innovations-and-pitfalls-in-the-use-of-wearable-devices-in-the-prevention-and-rehabilitation-of-running-related-injuries
#6
Richard W Willy
Running-related injuries are common and are associated with a high rate of reoccurrence. Biomechanics and errors in applied training loads are often cited as causes of running-related injuries. Clinicians and runners are beginning to utilize wearable technologies to quantify biomechanics and training loads with the hope of reducing the incidence of running-related injuries. Wearable devices can objectively assess biomechanics and training loads in runners, yet guidelines for their use by clinicians and runners are not currently available...
October 6, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29171352/the-one-week-and-six-month-reliability-and-variability-of-three-dimensional-tibial-acceleration-in-runners
#7
Kelly R Sheerin, Thor F Besier, Duncan Reid, Patria A Hume
Tibial acceleration is a surrogate measure for impact loading and lower limb fatigue injury in runners. Triaxial accelerometers may offer reliable and practical measurement of resultant peak tibial acceleration (PTA). With such potential in mind, this study examined variability and measurement reliability of tibial acceleration in 14 runners at baseline at one week, and eight of the runners again at six months. Triaxial accelerometers were attached to the distal tibiae of runners before they ran on a treadmill for two minutes each, at speeds of 2...
November 24, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29164109/identification-of-directed-interactions-in-kinematic-data-during-running
#8
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/29159682/physiological-and-biomechanical-responses-of-highly-trained-distance-runners-to-lower-body-positive-pressure-treadmill-running
#9
Kyle R Barnes, Jessica N Janecke
BACKGROUND: As a way to train at faster running speeds, add training volume, prevent injury, or rehabilitate after an injury, lower-body positive pressure treadmills (LBPPT) have become increasingly commonplace among athletes. However, there are conflicting evidence and a paucity of data describing the physiological and biomechanical responses to LBPPT running in highly trained or elite caliber runners at the running speeds they habitually train at, which are considerably faster than those of recreational runners...
November 21, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29146288/unusual-iliac-crest-stress-fracture-in-a-marathoner-a-case-report
#10
Amy M West, Kelly C McInnis
This case presentation describes a 50-year-old healthy woman who developed left sided hip pain while training for the Boston Marathon. Magnetic Resonance Imaging (MRI) demonstrates a stress fracture of the left iliac body. This injury is unique in that it did not occur in the setting of low bone mineral density and it does not fall into the current published radiographic categorization based on location of injury. This case illustrates an uncommon and atypical bone stress injury in an endurance athlete. It should be considered in the differential diagnosis of runners presenting with hip or lumbopelvic pain...
November 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29140157/case-study-body-composition-periodization-in-an-olympic-level-female-middle-distance-runner-over-a-9-year-career
#11
Trent Stellingwerff
This case-study features an Olympic-level female middle-distance runner implementing a science-based approach to body composition periodization. Data is emerging to suggest that it is not sustainable from a health and/or performance perspective to be at peak body composition year-round, so body composition needs to be strategically periodized. Anthropometric (n=44), hematological, other health measures and 1500m race performances (n=83) were periodically assessed throughout a 9-year career. General preparation phase (September to April) featured the athlete at ~2 to 4% over ideal competition phase body weight (BW) and body fat (%) with optimal energy availability being prioritized...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29135641/the-pediatric-endurance-athlete
#12
Mary L Solomon, Susannah M Briskin, Nicole Sabatina, Jennifer E Steinhoff
Youth sports participation numbers continue to grow in the United States. A shift toward sport specialization has caused an increase in sport training frequency and intensity that places the growing athlete at risk for overtraining, nutritional deficits, and injuries. Individuals who participate in endurance sports are at especially high risk. Youth runners and swimmers are high-risk populations that require special attention to their training schedules, nutritional intake, and injuries. Appropriate scheduling of training, dedicating time to rest, and nutrition education can help prevent problems in the endurance athlete...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29114512/the-runsmart-training-program-effect-on-oxygen-consumption-and-lower-extremity-biomechanics-during-running
#13
Jennifer Bogulski, Steven Gonser, Doug Bush, Rachel Bugner, Lindsey Clark, Lisa Farrell, Kristen Swanson, Michael David Ross
As recreational running continues to gain popularity, more individuals are seeking ways to improve running performance. RunSmart is a running intervention program designed to enhance a runner's form. In addition to correcting flaws in a runner's form, RunSmart offers the opportunity for runners to continue a regular regimen while slowly integrating changes in form. The purpose of this case series was twofold: to determine if the RunSmart program coincides with improvements in oxygen consumption (VO2), a variable often associated with better running performance times, and to evaluate the RunSmart program in regard to enhancing gait biomechanics...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29105001/design-of-projectrun21-a-14-week-prospective-cohort-study-of-the-influence-of-running-experience-and-running-pace-on-running-related-injury-in-half-marathoners
#14
Camma Damsted, Erik Thorlund Parner, Henrik Sørensen, Laurent Malisoux, Rasmus Oestergaard Nielsen
BACKGROUND: Participation in half-marathon has been steeply increasing during the past decade. In line, a vast number of half-marathon running schedules has surfaced. Unfortunately, the injury incidence proportion for half-marathoners has been found to exceed 30% during 1-year follow-up. The majority of running-related injuries are suggested to develop as overuse injuries, which leads to injury if the cumulative training load over one or more training sessions exceeds the runners' load capacity for adaptive tissue repair...
November 6, 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/29083360/management-and-treatment-of-femoral-neck-stress-fractures-in-recreational-runners-a-report-of-four-cases-and-review-of-the-literature
#15
Carlo Biz, Antonio Berizzi, Alberto Crimì, Chiara Marcato, Giulia Trovarelli, Pietro Ruggieri
Femoral neck stress fractures (FNSFs) in healthy young subjects are uncommon and most prevalent among long-distance runners and military recruits. Women seem to be at higher risk of developing stress fractures because of possible eating disorders followed by amenorrhea and osteoporosis. This case report describes four young and middle-aged, active female recreational runners who developed stress fractures of the femoral neck. In three of them, with a clinical history of persistent pain in the groin region, which worsened during training, early diagnosis by MRI was considered essential in detecting the fractures...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29080511/influence-of-outdoor-running-fatigue-and-medial-tibial-stress-syndrome-on-accelerometer-based-loading-and-stability
#16
Kurt H Schütte, Stefan Seerden, Rachel Venter, Benedicte Vanwanseele
Medial tibial stress syndrome (MTSS) is a common overuse running injury with pathomechanics likely to be exaggerated by fatigue. Wearable accelerometry provides a novel alternative to assess biomechanical parameters continuously while running in more ecologically valid settings. The purpose of this study was to determine the influence of outdoor running fatigue and MTSS on both dynamic loading and dynamic stability derived from trunk and tibial accelerometery. Runners with (n=14) and without (n=16) history of MTSS performed an outdoor fatigue run of 3200m...
October 23, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29080303/is-the-mechanical-fatigue-of-bone-influenced-more-by-the-impact-or-active-phase-of-running
#17
Lindsay L Loundagin, Tannin Schmidt, W Brent Edwards
Stress fractures are common overuse injuries amongst runners associated with the mechanical fatigue of bone. Several in vivo biomechanical studies have investigated specific characteristics of the vertical ground reaction force (vGRF) in running and have observed an association between increased loading rate during impact and individuals with a history of stress fracture. The purpose of this study was to examine the fatigue behavior of cortical bone using vGRF-like loading profiles, including those that had been decomposed into their respective impact and active phase components...
October 28, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29065279/gait-retraining-for-the-reduction-of-injury-occurrence-in-novice-distance-runners-1-year-follow-up-of-a-randomized-controlled-trial
#18
Zoe Y S Chan, Janet H Zhang, Ivan P H Au, Winko W An, Gary L K Shum, Gabriel Y F Ng, Roy T H Cheung
BACKGROUND: The increasing popularity of distance running has been accompanied by an increase in running-related injuries, such that up to 85% of novice runners incur an injury in a given year. Previous studies have used a gait retraining program to successfully lower impact loading, which has been associated with many running ailments. However, softer footfalls may not necessarily prevent running injury. PURPOSE: To examine vertical loading rates before and after a gait retraining program and assess the effectiveness of the program in reducing the occurrence of running-related injury across a 12-month observation period...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29062393/running-injuries-in-the-participants-of-ljubljana-marathon
#19
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/29058466/changes-in-cardiac-and-muscle-biomarkers-following-an-uphill-only-marathon
#20
Alessandro Da Ponte, Nicola Giovanelli, Guglielmo Antonutto, Daniele Nigris, Francesco Curcio, Pietro Cortese, Stefano Lazzer
The aim of the study was to evaluate changes in cardiac troponin I levels (cTnI) and the main biomarkers of skeletal muscle damage after an uphill-only marathon, along with its relationship with athletes' physiological parameters. Twenty-two runners participated in the "Supermaratona dell'Etna" (43 km, 0-2850 m AMSL). Before and immediately after the race, body mass and hydration status were measured together with blood sampling. At the end of the race, mean cTnI increased significantly in all athletes (mean +900%), and in 52% of them the cTnI values were over the normal range...
October 23, 2017: Research in Sports Medicine
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