keyword
MENU ▼
Read by QxMD icon Read
search

Hop test

keyword
https://www.readbyqxmd.com/read/28318604/comparison-of-whole-body-vertical-stiffness-and-leg-stiffness-during-single-leg-hopping-in-place-in-children-and-adults
#1
Matthew Beerse, Jianhua Wu
In the hopping literature, whole-body vertical stiffness and leg stiffness are used interchangeably, due to most of the movement occurring in the vertical direction. However, there is some anterior/posterior movement of the center of mass and displacements of the foot during hopping in place in both children and adults. Further it is not understood if leg stiffness show a similar pattern as whole-body vertical stiffness when increasing hopping frequency. The purpose of this study was to test if whole-body vertical stiffness and leg stiffness are different during single-leg hopping in-place in children and adults, across a range of frequencies...
March 9, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28301433/a-comparison-of-bilateral-muscular-imbalance-ratio-calculations-using-functional-tests
#2
Theodoros M Bampouras, Susan Dewhurst
Bilateral muscular imbalance can increase the risk of injury and negatively impact sporting performance. Bilateral muscular imbalances are typically calculated as ((side 1-side 2)/reference value) x 100, to provide a percentage value of the difference between limbs. Using different numerator (right-left or strong-weak) or reference values (left, right, strong, weak, average of the two) could mask or inflate the true difference value. The present study aimed to compare the bilateral muscular imbalance ratio calculations, using the absolute difference between limbs as the numerator and the five different options as reference values...
March 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28300606/one-step-multiplex-rt-qpcr-detects-three-citrus-viroids-from-different-genera-in-a-wide-range-of-hosts
#3
Fatima Osman, Tyler Dang, Sohrab Bodaghi, Georgios Vidalakis
A one-step multiplex reverse transcription real-time quantitative polymerase chain reaction (RT-qPCR) based on species-specific minor groove binding (MGB) probes, was developed for the simultaneous detection, identification, and quantification of three citrus viroids belonging to different genera. Citrus exocortis viroid (Pospiviroid), Hop stunt viroid (Hostuviroid), and Citrus bark cracking viroid (Cocadviroid) cause a variety of maladies in agriculturally significant crops. Therefore, reliable assays for their detection are essential tools for various government and industry organizations implementing disease management programs...
March 11, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28298066/effect-of-fatigue-protocols-on-lower-limb-neuromuscular-function-and-implications-for-anterior-cruciate-ligament-injury-prevention-training
#4
Sue D Barber-Westin, Frank R Noyes
BACKGROUND: Approximately two-thirds of anterior cruciate ligament (ACL) tears are sustained during noncontact situations when an athlete is cutting, pivoting, decelerating, or landing from a jump. Some investigators have postulated that fatigue may result in deleterious alterations in lower limb biomechanics during these activities that could increase the risk of noncontact ACL injuries. However, prior studies have noted a wide variation in fatigue protocols, athletic tasks studied, and effects of fatigue on lower limb kinetics and kinematics...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28291516/a-practical-solution-to-reduce-soft-tissue-artifact-error-at-the-knee-using-adaptive-kinematic-constraints
#5
Brigitte M Potvin, Mohammad S Shourijeh, Kenneth B Smale, Daniel L Benoit
Musculoskeletal modeling and simulations have vast potential in clinical and research fields, but face various challenges in representing the complexities of the human body. Soft tissue artifact from skin-mounted markers may lead to non-physiological representation of joint motions being used as inputs to models in simulations. To address this, we have developed adaptive joint constraints on five of the six degree of freedom of the knee joint based on in vivo tibiofemoral joint motions recorded during walking, hopping and cutting motions from subjects instrumented with intra-cortical pins inserted into their tibia and femur...
February 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28282899/testing-a-firefly-inspired-synchronization-algorithm-in-a-complex-wireless-sensor-network
#6
Chuangbo Hao, Ping Song, Cheng Yang, Xiongjun Liu
Data acquisition is the foundation of soft sensor and data fusion. Distributed data acquisition and its synchronization are the important technologies to ensure the accuracy of soft sensors. As a research topic in bionic science, the firefly-inspired algorithm has attracted widespread attention as a new synchronization method. Aiming at reducing the design difficulty of firefly-inspired synchronization algorithms for Wireless Sensor Networks (WSNs) with complex topologies, this paper presents a firefly-inspired synchronization algorithm based on a multiscale discrete phase model that can optimize the performance tradeoff between the network scalability and synchronization capability in a complex wireless sensor network...
March 8, 2017: Sensors
https://www.readbyqxmd.com/read/28282794/kinesio-taping-does-not-alter-muscle-torque-muscle-activity-or-jumping-performance-in-professional-soccer-players-a-randomized-placebo-controlled-blind-clinical-trial
#7
Igor Phillip Dos Santos Glória, Tabajara de Oliveira Gonzalez, Tabajara de Oliveira Gonzalez, Ernesto Cesar Pinto Leal Junior, Cid André Fidelis de Paula Gomes, Carolina Marciela Herpich, Fernanda Colella Antonialli, Felipe Serenza, Lucas de Souza Calheira, Eric Edmur Camargo Arruda, Paulo Roberto Garcia Lucareli, Daniela Aparecida Biasotto-Gonzalez
INTRODUCTION: Kinesio taping consists of the attachment of a thin elastic tape over specific muscles, the thickness of which is similar to that of the epidermis. OBJECTIVE: The aim of the present study was to compare the effect of Kinesio taping and placebo taping on muscle torque, muscle activity and jumping performance soccer players. METHODS: Thirty athletes were randomly allocated to two groups (Group A: Kinesio taping and Group B: placebo taping)...
March 3, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28280907/high-prevalence-of-knee-osteoarthritis-at-a-minimum-10-year-follow-up-after-knee-dislocation-surgery
#8
Gilbert Moatshe, Grant J Dornan, Tom Ludvigsen, Sverre Løken, Robert F LaPrade, Lars Engebretsen
PURPOSE: Long-term outcomes and the prevalence of osteoarthritis after surgical treatment of knee dislocations are lacking in the literature. The purpose of this study was to investigate the prevalence of knee osteoarthritis and knee function at a minimum of 10 years after knee dislocation surgery. METHODS: Sixty-five patients surgically treated for knee dislocations at a single level I trauma center between May 1996 and December 2004 were evaluated at a minimum of 10 years...
March 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28278441/facilitation-of-sexual-behavior-in-ovariectomized-rats-by-estradiol-and-testosterone-a-preclinical-model-of-androgen-effects-on-female-sexual-desire
#9
Sherri Lee Jones, Nafissa Ismail, James G Pfaus
In the United States and Canada, there are no approved treatments for hypoactive sexual desire disorder in postmenopausal women. Testosterone improves female sexual desire in naturally- and surgically-menopausal women maintained on estrogen replacement therapy, and long-term safety data from randomized placebo-controlled clinical trials has yielded promising results. However, the mechanisms associated with its efficacy are not known, and could be addressed using preclinical rodent models; yet there is no systematic evaluation of the effects of estradiol and testosterone on female rat sexual behavior...
February 17, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28261191/heterogeneity-between-and-within-strains-of-lactobacillus-brevis-exposed-to-beer-compounds
#10
Yu Zhao, Susanne Knøchel, Henrik Siegumfeldt
This study attempted to investigate the physiological response of six Lactobacillus brevis strains to hop stress, with and without the addition of Mn(2+) or ethanol. Based on the use of different fluorescent probes, cell viability and intracellular pH (pHi) were assessed by fluorescence microscopy combined with flow cytometry, at the single cell level. The combined approach was faster than the traditional colony based method, but also provided additional information about population heterogeneity with regard to membrane damage and cell size reduction, when exposed to hop compounds...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28255567/an-ecological-study-of-anterior-cruciate-ligament-reconstruction-part-2-functional-performance-tests-correlate-with-return-to-sport-outcomes
#11
Timothy M McGrath, Gordon Waddington, Jennie M Scarvell, Nick Ball, Rob Creer, Kevin Woods, Damian Smith, Roger Adams
BACKGROUND: Additional high-quality prospective studies are needed to better define the objective criteria used in relation to return-to-sport decisions after anterior cruciate ligament (ACL) reconstruction in active populations. PURPOSE: To investigate prospectively the relationship between functional performance test results at 24 weeks postoperative and return-to-sport activity (Tegner activity score) at 12 and 24 months, respectively, after synthetic (ligament advanced reinforcement system [LARS]) and autograft (doubled semitendinosus/gracilis [2ST/2GR]) ACL reconstructions...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28235702/design-synthesis-biological-evaluation-and-x-ray-structural-studies-of-potent-human-dihydroorotate-dehydrogenase-inhibitors-based-on-hydroxylated-azole-scaffolds
#12
Stefano Sainas, Agnese C Pippione, Marta Giorgis, Elisa Lupino, Parveen Goyal, Cristina Ramondetti, Barbara Buccinnà, Marco Piccinini, Rodolpho C Braga, Carolina H Andrade, Mikael Andersson, Ann-Christin Moritzer, Rosmarie Friemann, Stefano Mensa, Salam Al-Kadaraghi, Donatella Boschi, Marco L Lolli
A new generation of potent hDHODH inhibitors designed by a scaffold-hopping replacement of the quinolinecarboxylate moiety of brequinar, one of the most potent known hDHODH inhibitors, is presented here. Their general structure is characterized by a biphenyl moiety joined through an amide bridge with an acidic hydroxyazole scaffold (hydroxylated thiadiazole, pyrazole and triazole). Molecular modelling suggested that these structures should adopt a brequinar-like binding mode involving interactions with subsites 1, 2 and 4 of the hDHODH binding site...
March 31, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28224443/report-of-the-clinical-and-functional-primary-outcomes-in-men-of-the-acl-sports-trial-similar-outcomes-in-men-receiving-secondary-prevention-with-and-without-perturbation-training-1-and-2-years-after-acl-reconstruction
#13
Amelia J H Arundale, Kathleen Cummer, Jacob J Capin, Ryan Zarzycki, Lynn Snyder-Mackler
BACKGROUND: Athletes often are cleared to return to activities 6 months after anterior cruciate ligament (ACL) reconstruction; however, knee function measures continue to improve up to 2 years after surgery. Interventions beyond standard care may facilitate successful return to preinjury activities and improve functional outcomes. Perturbation training has been used in nonoperative ACL injury and preoperative ACL reconstruction rehabilitation, but has not been examined in postoperative ACL reconstruction rehabilitation, specifically return to sport rehabilitation...
February 21, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28222571/the-edurep-approach-plus-manual-therapy-for-the-management-of-insertional-achilles-tendinopathy-a-case-report
#14
Francesco Sartorio, Anna Zanetta, Giorgio Ferriero, Elisabetta Bravini, Stefano Vercelli
BACKGROUND: Insertional Achilles tendinopathy (IAT) is a challenging overuse disorder. The aim of this case report was to study the feasibility of a comprehensive rehabilitative approach according to the Education, Unloading, Reloading, and Prevention (EdUReP) framework combined with Instrument-Augmented Soft Tissue Mobilization (I-ASTM). METHODS: An active 51-year-old man patient with chronic IAT was studied. Clinical assessment battery was composed by visual analogue scale for pain during the Achilles tendon palpation test, passive straight leg raise test, single leg hop test, Patient-Specific Functional Scale, and Foot and Ankle Ability Measure...
February 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28217419/the-effects-of-varied-tensions-of-kinesiology-taping-on-quadriceps-strength-and-lower-limb-function
#15
Julio Fernandes de Jesus, Yuri Rafael Dos Santos Franco, Stella Bispo Nannini, Gustavo Bezerra Nakaoka, Amir Curcio Dos Reis, Flavio Fernandes Bryk
BACKGROUND: Kinesiology Taping (KT) may promote changes in muscle strength and motor performance, topics of great interest in the sports-medicine sciences. These characteristics are purported to be associated with the tension generated by the KT on the skin. However, the most suitable tension for the attainment of these strength and performance effects has not yet been confirmed. HYPOTHESIS/PURPOSE: The purpose of the present study was to analyze the effects of different tensions of KT on the isometric contraction of the quadriceps and lower limb function of healthy individuals over a period of seven days...
February 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28217416/the-intra-and-inter-rater-reliability-of-the-soccer-injury-movement-screen-sims
#16
Robert McCunn, Karen Aus der Fünten, Andrew Govus, Ross Julian, Jan Schimpchen, Tim Meyer
BACKGROUND/PURPOSE: The growing volume of movement screening research reveals a belief among practitioners and researchers alike that movement quality may have an association with injury risk. However, existing movement screening tools have not considered the sport-specific movement and injury patterns relevant to soccer. The present study introduces the Soccer Injury Movement Screen (SIMS), which has been designed specifically for use within soccer. Furthermore, the purpose of the present study was to assess the intra- and inter-rater reliability of the SIMS and determine its suitability for use in further research...
February 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28214369/diagnostic-accuracy-of-history-physical-exam-laboratory-tests-and-point-of-care-ultrasound-for-pediatric-acute-appendicitis-in-the-emergency-department-a-systematic-review-and-meta-analysis
#17
Roshanak Benabbas, Mark Hanna, Jay Shah, Richard Sinert
BACKGROUND: Acute appendicitis (AA) is the most common surgical emergency in children. Accurate and timely diagnosis is crucial but challenging due to atypical presentations and the inherent difficulty of obtaining a reliable history and physical examination in younger children. OBJECTIVES: To determine the utility of history, physical exam, laboratory tests, Pediatric Appendicitis Score (PAS) and Emergency Department-Point-of-Care Ultrasound (ED-POCUS) in the diagnosis of AA in ED pediatric patients...
February 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28210647/association-of-quadriceps-strength-and-psychosocial-factors-with-single-leg-hop-performance-in-patients-with-meniscectomy
#18
Chao-Jung Hsu, Steven Z George, Terese L Chmielewski
BACKGROUND: Clinicians use the single-leg hop test to assess readiness for return to sports after knee injury. Few studies have reported the results of single-leg hop testing after meniscectomy. Additionally, the contributions of impairments in quadriceps strength and psychosocial factors to single-leg hop performance are unknown. PURPOSE: To compare single-leg hop performance (distance and landing mechanics) between limbs and to examine the association of single-leg hop performance with quadriceps strength and psychosocial factors in patients with meniscectomy...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28202103/deterrent-activity-of-hops-flavonoids-and-their-derivatives-against-stored-product-pests
#19
J Jackowski, J Popłoński, K Twardowska, J Magiera-Dulewicz, M Hurej, E Huszcza
Five flavonoids from hops, two of their derivatives, along with naringenin used as a model compound, were tested for their antifeedant activity against three coleopteran stored product pests: Sitophilus granarius L., Tribolium confusum Duv. and Trogoderma granarium Everts. The introduction, into the tested flavonoid molecules, of additional structural fragments such as prenyl or dimethylpyran moiety, is proposed to significantly alter the deterrent activity of the compounds. The prenyl moiety in flavonoids increased the deterrent activity of these compounds in all three of the grain feeding species used in the tests...
February 16, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28192831/training-effects-of-the-fifa-11-and-harmoknee-on-several-neuromuscular-parameters-of-physical-performance-measures
#20
Francisco Ayala, Carlos Pomares-Noguera, Francisco Javier Robles-Palazón, Maria Del Pilar García-Vaquero, Ignacio Ruiz-Pérez, Sergio Hernández-Sánchez, Mark De Ste Croix
The main purpose of this study was to analyse the training effects of the FIFA 11+ and Harmoknee on several parameters of physical performance measures in youth amateur football players. 41 adolescent players were randomised within each team into 2 groups (team 1: control vs. FIFA 11+; team 2: control vs. Harmoknee). The FIFA 11+ and Harmoknee groups performed the program 3 times a week for 4 weeks; the control groups completed their usual warm-up routines. 13 physical performance measures (joint range of motion, dynamic postural control, single legged hop limb symmetry, sprint time, jumping height and agility) were assessed...
February 13, 2017: International Journal of Sports Medicine
keyword
keyword
77653
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"