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https://www.readbyqxmd.com/read/29792104/association-of-hip-and-foot-factors-with-patellar-tendinopathy-jumper-s-knee-in-athletes
#1
Luciana D Mendonça, Juliana M Ocarino, Natália F N Bittencourt, Luciana G Macedo, Sérgio T Fonseca
Study Design Clinical measurement, cross-sectional. Background Investigations on the causes of patellar tendinopathy (PT) should consider impairments at the hip and foot/ankle since they are known to influence movement patterns and affect patellar tendon loading. Objectives To investigate, by means of CART analysis, impairments of the hip and foot/ankle that are associated with PT in volleyball and basketball athletes. Methods One-hundred and ninety athletes were assessed for impairments of the hip and foot/ankle including: shank-forefoot alignment (SFA), ankle dorsiflexion range of motion (DF ROM), iliotibial band flexibility, passive hip internal rotation (IR) ROM, and hip external rotator (ER) and hip abductor isometric strength...
May 23, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29787473/factors-contributing-to-medial-tibial-stress-syndrome-in-runners-a-prospective-study
#2
James Becker, Mimi Nakajima, Will F W Wu
PURPOSE: Medial tibial stress syndrome (MTSS) is one of the most common overuse injuries sustained by runners. Despite the prevalence of this injury, risk factors for developing MTSS remain unclear. The purpose of this study was to prospectively evaluate differences in passive range of motion, muscle strength, plantar pressure distributions, and running kinematics between runners who developed MTSS and those who did not. METHODS: 24 NCAA Division 1 cross country runners participated in this study...
May 22, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29785871/strategies-to-improve-impact-efficiency-in-football-kicking
#3
James C A Peacock, Kevin Ball
In football, kicking with high ball velocity can increase scoring opportunities and reduce the likelihood of interception. Efficient energy transfer from foot to ball during impact is important to attain a high ball velocity. It is considered impact efficiency can be increased by reducing the change in ankle plantarflexion during foot-ball impact. However, conflicting evidence exists, questioning its effectiveness as a coaching cue. The aim of the present study was to systematically analyse joint stiffness, foot velocity and impact location with a mechanical kicking machine to determine if change in ankle plantarflexion during foot-ball impact and ball velocity are influenced...
May 22, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29782449/does-the-shoe-fit-considerations-for-proper-shoe-fitting
#4
Marie Mantini Blazer, Laura Beth Jamrog, Lauren Lindsay Schnack
It is important to be properly evaluated for shoes to avoid complications. Ill-fitting shoes can lead to pathologies in different populations. The focus of this article is to review the components and function of a basic athletic-type shoe, general shoe-fitting techniques, and selecting appropriate footwear for various populations including those with diabetes, elderly, and females. Poorly fitting shoes can exacerbate structural foot deformities. Unevenly distributed plantar pressures and wear can lead to ulcerations in diabetic populations...
May 2018: Orthopaedic Nursing
https://www.readbyqxmd.com/read/29782305/tatami-mats-a-source-of-pitted-keratolysis-in-a-martial-arts-athlete
#5
Anamaria Balić, Zrinka Bukvić Mokos, Branka Marinović, Daniela Ledić Drvar
Dear Editor, Pitted keratolysis (PK), also known as keratosis plantaris sulcatum, is a non-inflammatory, bacterial, superficial cutaneous infection, characterized by many discrete superficial crateriform ''pits'' and erosions in the thickly keratinized skin of the weight-bearing regions of the soles of the feet (1). The disease often goes unnoticed by the patient, but when it is noticed it is because of the unbearable malodor and hyperhidrosis of the feet, which are socially unacceptable and cause great anxiety to many of the patients...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782223/do-the-peak-and-mean-force-methods-of-assessing-vertical-jump-force-asymmetry-agree
#6
Jason P Lake, Peter D Mundy, Paul Comfort, Timothy J Suchomel
The aim of this study was to assess agreement between peak and mean force methods of quantifying force asymmetry during the countermovement jump (CMJ). Forty-five men performed four CMJ with each foot on one of two force plates recording at 1,000 Hz. Peak and mean were obtained from both sides during the braking and propulsion phases. The dominant side was obtained for the braking and propulsion phase as the side with the largest peak or mean force and agreement was assessed using percentage agreement and the kappa coefficient...
May 21, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29769831/improvement-of-functional-ankle-properties-following-supplementation-with-specific-collagen-peptides-in-athletes-with-chronic-ankle-instability
#7
Patrick Dressler, Dominic Gehring, Denise Zdzieblik, Steffen Oesser, Albert Gollhofer, Daniel König
Following an initial ankle sprain it is not unlikely that chronic ankle instability (CAI) will develop. CAI is associated with impaired perceived functional and mechanical properties of the ligaments. Nutritional supplementation with collagen peptides has been shown to improve the functional and mechanical properties of the connective tissue. The purpose of this study was to investigate the effectiveness of specific collagen peptide supplementation (SCP) to improve ankle stability in athletes with CAI. 50 male and female athletes with CAI completed a randomized, double-blinded and placebo-controlled study with a daily oral administration of either 5 g SCP or 5 g placebo (Maltodextrin) over a period of six months...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29738281/epidemiology-of-figure-skating-injuries-a-review-of-the-literature
#8
Julie S Han, Ellen T Geminiani, Lyle J Micheli
CONTEXT: As the popularity and technical demands of figure skating increase, so will the number of athletes presenting with sport-related problems. EVIDENCE ACQUISITION: Searches were performed across PubMed from 1980 to 2017. The keywords searched were skating, skaters, incidence, and injuries. The search was limited to English-language articles and human participants. Relevant articles were cross-referenced. STUDY DESIGN: Clinical review...
May 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29710001/-current-status-of-onychomycosis-topical-therapy-conducted-at-home
#9
Yoshitaka Yoneta, Yoshihiro Imazu, Emiko Uchida, Katsunori Yamaura, Junko Suzuki
 Patients usually consult a dermatologist for the treatment of onychomycosis. However, in the case of home care, visiting nurses may assist with bathing, which offers the opportunity to observe patients' feet for possible signs of onychomycosis without causing anxiety. It is estimated that more than 30% of patients receiving home care have onychomycosis. Before the approval of efinaconazole, healthcare personnel hesitated to treat onychomycosis because of: 1) possible side effects, especially liver dysfunction and pain due to repeated blood collection, as a major goal of home care is to minimize pain; and 2) the questionable efficacy of previously available antifungal medications...
2018: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/29690827/cross-cultural-adaptation-and-measurement-properties-of-the-brazilian-portuguese-version-of-the-victorian-institute-of-sport-assessment-achilles-visa-a-questionnaire
#10
Gabriel Nunes de Mesquita, Marcela Nicácio Medeiros de Oliveira, Amanda Ellen Rodrigues Matoso, Alberto Galvão de Moura Filho, Rodrigo Ribeiro de Oliveira
Study Design Clinical measurement study. Background Achilles tendon disorders are very common among athletes and it is important to objectively measure symptoms and functional limitations related to Achilles tendinopathy using outcome measures that have been validated in the language of the target population. Objectives To perform a cross-cultural adaptation and to evaluate the measurement properties of the Brazilian version of the Victorian Institute of Sport Assessment-Achilles (VISA-A) questionnaire. Methods We adapted the VISA-A questionnaire to Brazilian Portuguese (VISA-A-Br)...
April 24, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29687013/effects-of-game-pitch-count-and-body-mass-index-on-pitching-biomechanics-in-9-to-10-year-old-baseball-athletes
#11
Jim D Darke, Eshan M Dandekar, Arnel L Aguinaldo, Scott J Hazelwood, Stephen M Klisch
Background: Pitching while fatigued and body composition may increase the injury risk in youth and adult pitchers. However, the relationships between game pitch count, biomechanics, and body composition have not been reported for a study group restricted to 9- to 10-year-old athletes. Hypothesis: During a simulated game with 9- to 10-year-old athletes, (1) participants will experience biomechanical signs of fatigue, and (2) shoulder and elbow kinetics will correlate with body mass index (BMI)...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29673797/non-invasive-multi-modality-approach-to-treating-plantar-fasciitis-a-case-study
#12
Tamsin Lee
Plantar fasciitis, also referred to as plantar heel pain, is a common foot pathology among runners and other athletes. The clinical guidelines of the 2014 Orthopedic Section of the American Physical Therapy Association states, non-invasive therapies including manual therapy, stretching, taping, foot orthoses and night splints are recommended as primary interventions. Recent studies suggest acupuncture may be an effective treatment compared to standard treatment for long-term relief. This case study reports the effects of a multi-modality approach including massage, gua sha, bleeding, acupuncture and moxibustion to treat acute plantar heel pain...
April 16, 2018: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29669852/cholesterol-cancer-and-rebooting-a-treatment-for-athlete-s-foot
#13
REVIEW
Ngee Kiat Chua, Hudson W Coates, Andrew J Brown
A key enzyme in cholesterol synthesis is placed firmly on the oncogenic map and demonstrated to be a potential therapeutic target in liver cancer by repurposing a common antifungal agent (Liu et al , this issue).
April 18, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29655650/surgical-treatment-of-lisfranc-injury-with-plantar-plate-approach
#14
Deepal Dalal, Christian Curry, Ryan Carter, Colin Zdenek, Nicholas W Todd, Shannon M Rush, Richard Jensen
Midfoot injuries are the second most common athletic foot injury documented in the published data. High-energy Lisfranc dislocations are commonly seen secondary to traumatic etiologies and disrupt the strong midfoot ligaments supporting the arch. These injuries require immediate surgical intervention to prevent serious complications such as compartment syndrome and amputation. The present case series reports a new Lapidus plate system used in 3 patients who underwent arthrodesis procedures for Lisfranc joint dislocation...
April 11, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29625413/a-novel-approach-for-the-detection-and-exploration-of-joint-coupling-patterns-in-the-lower-limb-kinetic-chain
#15
Kevin Deschamps, Maarten Eerdekens, Jurre Geentjens, Lieselot Santermans, Lien Steurs, Bart Dingenen, Maarten Thysen, Filip Staes
BACKGROUND: A comprehensive perspective on foot and lower limb joint coupling is lacking since previous studies did not consider the multi-articular nature of the foot and lower limb neither accounted for biomechanical heterogeneity. RESEARCH QUESTION: The current manuscript describes a novel methodological process for detection and exploration of joint coupling patterns in the lower limb kinetic chain. METHODS: The first stage of the methodological process encompasses the measurement of 3D joint kinematics of the foot and lower limb kinetic chain during dynamic activities...
March 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29614918/does-variability-within-natural-turfgrass-sports-fields-influence-ground-derived-injuries
#16
Chase M Straw, Christine O Samson, Gerald M Henry, Cathleen N Brown
Natural turfgrass sports fields exhibit within-field variations due to climatic conditions, field construction, field management, and foot traffic patterns from field usage. Variations within a field could influence the playing surface predictability and require athletes to make abrupt or frequent adjustments that lead to increased ground-derived injury occurrence. This study introduces a new methodology aimed at evaluating the potential relationship between within-field variations of turfgrass sports field properties and ground-derived athlete injuries...
April 3, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29606024/return-to-sports-and-physical-activities-after-open-reduction-and-internal-fixation-of-lisfranc-injuries-in-recreational-athletes
#17
Allan David Mora, Mark Kao, Terrence Alfred, Gregory Shein, Jeff Ling, David Lunz
BACKGROUND: The purpose of this study was to assess participation in sport and physical activity following open reduction and internal fixation of a Lisfranc injury in a cohort of recreational athletes. METHODS: This study identified all adult patients aged 55 years or younger who presented with a Lisfranc injury and underwent open reduction and internal fixation (ORIF) using a Lisfranc screw combined with bridge plating technique. Sports and physical activity participation was assessed with a new sports-specific, patient-administered questionnaire...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29581995/role-of-rotational-kinematics-in-minimizing-elbow-varus-torques-for-professional-versus-high-school-pitchers
#18
Micheal J Luera, Brittany Dowling, Mitchel A Magrini, Tyler W D Muddle, Ryan J Colquhoun, Nathaniel D M Jenkins
Background: Elbow injury rates among baseball pitchers are rapidly rising. However, this increase has been most dramatic among high school (HS) pitchers. Purpose: To examine pitch velocity and the kinetic and kinematic characteristics of HS versus professional (PRO) pitchers to identify potential differences that may play a role in the increased risk of ulnar collateral ligament injury in youth pitchers. Study Design: Controlled laboratory study...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29580692/modeling-the-two-dimensional-accuracy-of-soccer-kicks
#19
Andrew H Hunter, Michael J Angilletta, Theodore Pavlic, Glen Lichtwark, Robbie S Wilson
In many sports, athletes perform motor tasks that simultaneously require both speed and accuracy for success, such as kicking a ball. Because of the biomechanical trade-off between speed and accuracy, athletes must balance these competing demands. Modelling the optimal compromise between speed and accuracy requires one to quantifyhow task speed affects the dispersion around a target, a level of experimental detail not previously addressed. Using soccer penalties as a system, we measured two-dimensional kicking error over a range of speeds, target heights, and kicking techniques...
March 13, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29543127/agreement-between-standard-body-composition-methods-to-estimate-percentage-of-body-fat-in-young-male-athletes
#20
Asunción Ferri-Morales, Marcus Vinicius Nascimento-Ferreira, Dimitris Vlachopoulos, Esther Ubago-Guisado, Ana Torres-Costoso, Augusto Cesar F De Moraes, Alan R Barker, Luis A Moreno, Vicente Martínez-Vizcaino, Luis Gracia-Marco
PURPOSE: To examine the intermethods agreement of dual-energy X-ray absorptiometry (DXA) and foot-to-foot bioelectrical impedance analysis (BIA) to assess the percentage of body fat (%BF) in young male athletes using air-displacement plethysmography (ADP) as the reference method. METHODS: Standard measurement protocols were carried out in 104 athletes (40 swimmers, 37 footballers, and 27 cyclists, aged 12-14 y). RESULTS: Age-adjusted %BF ADP and %BF BIA were significantly higher in swimmers than footballers...
March 15, 2018: Pediatric Exercise Science
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