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https://www.readbyqxmd.com/read/29666769/joint-level-energetics-differentiate-isoinertial-from-speed-power-resistance-training-a-bayesian-analysis
#1
Bernard X W Liew, Christopher C Drovandi, Samuel Clifford, Justin W L Keogh, Susan Morris, Kevin Netto
Background: There is convincing evidence for the benefits of resistance training on vertical jump improvements, but little evidence to guide optimal training prescription. The inability to detect small between modality effects may partially reflect the use of ANOVA statistics. This study represents the results of a sub-study from a larger project investigating the effects of two resistance training methods on load carriage running energetics. Bayesian statistics were used to compare the effectiveness of isoinertial resistance against speed-power training to change countermovement jump (CMJ) and squat jump (SJ) height, and joint energetics...
2018: PeerJ
https://www.readbyqxmd.com/read/29665848/characterization-and-utilization-of-the-flexor-digitorum-brevis-for-assessing-skeletal-muscle-function
#2
Michael D Tarpey, Adam J Amorese, Nicholas P Balestrieri, Terence E Ryan, Cameron A Schmidt, Joseph M McClung, Espen E Spangenburg
BACKGROUND: The ability to assess skeletal muscle function and delineate regulatory mechanisms is essential to uncovering therapeutic approaches that preserve functional independence in a disease state. Skeletal muscle provides distinct experimental challenges due to inherent differences across muscle groups, including fiber type and size that may limit experimental approaches. The flexor digitorum brevis (FDB) possesses numerous properties that offer the investigator a high degree of experimental flexibility to address specific hypotheses...
April 17, 2018: Skeletal Muscle
https://www.readbyqxmd.com/read/29664955/efficacy-of-a-biomechanically-based-yoga-exercise-program-in-knee-osteoarthritis-a-randomized-controlled-trial
#3
Alexander B Kuntz, Jaclyn N Chopp-Hurley, Elora C Brenneman, Sarah Karampatos, Emily G Wiebenga, Jonathan D Adachi, Michael D Noseworthy, Monica R Maly
OBJECTIVE: Certain exercises could overload the osteoarthritic knee. We developed an exercise program from yoga postures with a minimal knee adduction moment for knee osteoarthritis. The purpose was to compare the effectiveness of this biomechanically-based yoga exercise (YE), with traditional exercise (TE), and a no-exercise attention-equivalent control (NE) for improving pain, self-reported physical function and mobility performance in women with knee osteoarthritis. DESIGN: Single-blind, three-arm randomized controlled trial...
2018: PloS One
https://www.readbyqxmd.com/read/29663091/anatomical-feasibility-study-of-flexor-hallucis-longus-transfer-in-treatment-of-achilles-tendon-and-posteromedial-portal-of-ankle-arthroscopy
#4
Haijiao Mao, Linger Wang, Wenwei Dong, Zhenxin Liu, Weigang Yin, Dachuan Xu, Keith L Wapner
PURPOSE: The aim of this study was to evaluate the occurrence of anatomical variations of the musculotendinous junction of the flexor hallucis longus (FHL) muscle, the relationship between FHL tendon or muscle and the tibial neurovascular bundle at the level of the posterior ankle joint in human cadavers. METHODS: Seventy embalmed feet from 20 male and 15 female cadavers, the cadavers' mean age was 65.4 (range from 14 to 82) years, were dissected and anatomically classified to observe FHL muscle morphology define the relationship between FHL tendon or muscle and the tibial neurovascular bundle...
April 16, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29662762/local-administration-of-trolox-a-vitamin-e-analog-reduced-tendon-adhesion-in-a-chicken-model-of-flexor-digitorum-profundus-tendon-injury
#5
Yuk Wa Lee, Sai Chuen Fu, Tsui Yu Mok, Kai Ming Chan, Leung Kim Hung
Background: Hand flexor tendon injuries are compromised with tendon adhesion. Tendon adhesion forms between flexor tendon and tendon sheath, reduces the range of motion of fingers, and affects their function. Oxidative stress is increased in flexor tendon after injury and might play a role in tendon adhesion formation. Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid), a water-soluble analog of vitamin E, is antioxidative. Trolox reduced oxidative stress and the expression of fibrotic cytokines in the bile gut ligation animal model...
July 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29660953/whole-body-vibration-improves-ankle-spasticity-balance-and-walking-ability-in-individuals-with-incomplete-cervical-spinal-cord-injury
#6
Taesung In, Kyoungsim Jung, Mingoo Lee, Hwi-Young Cho
OBJECTIVES: This study aimed to investigate the effects of whole-body vibration (WBV) training on ankle spasticity, balance, and walking ability in patients with incomplete spinal cord injury (iSCI) at cervical level. METHODS: Twenty-eight patients with cervical iSCI were randomly assigned to WBV (n = 14) or control group (n = 14). WBV group received WBV training, while control group was treated with placebo-treatment. All interventions were given for 20-min, twice a day, 5-days a week for 8-weeks...
April 7, 2018: NeuroRehabilitation
https://www.readbyqxmd.com/read/29659539/post-game-high-protein-intake-may-improve-recovery-of-football-specific-performance-during-a-congested-game-fixture-results-from-the-pro-football-study
#7
Athanasios Poulios, Ioannis G Fatouros, Magni Mohr, Dimitrios K Draganidis, Chariklia Deli, Konstantinos Papanikolaou, Apostolos Sovatzidis, Theofano Nakopoulou, Georgios Ermidis, Theofanis Tzatzakis, Vasiliki C Laschou, Kalliopi Georgakouli, Agisilaos Koulouris, Panagiotis Tsimeas, Athanasios Chatzinikolaou, Leonidas G Karagounis, Dimitrios Batsilas, Peter Krustrup, Athanasios Z Jamurtas
The effects of protein supplementation on performance recovery and inflammatory responses during a simulated one-week in-season microcycle with two games (G1, G2) performed three days apart were examined. Twenty football players participated in two trials, receiving either milk protein concentrate (1.15 and 0.26 g/kg on game and training days, respectively) (PRO) or an energy-matched placebo (1.37 and 0.31 g/kg of carbohydrate on game and training days, respectively) (PLA) according to a randomized, repeated-measures, crossover, double-blind design...
April 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29658526/curve-fitting-problem-torque-velocity-relationship-with-polynomials-and-boltzmann-sigmoid-functions
#8
Peter Milanov, Gergana Koroleova, Radoslav Mavrevski, Nevena Pencheva
PURPOSE: The aim of this study was to investigate the curve fitting and model selection problem of the torque-velocity relationship of elbow flexors and extensors in untrained females. The second goal was to determine the optimal models in different function classes and the best, among the optimal ones. Lastly, test the best models to predict the torque were tested. METHODS: Using the polynomials (second - fourth degree) and Boltzmann sigmoid functions, and a different presentation of data points (averages, a point cloud, etc...
2018: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29658521/ratios-of-torques-of-antagonist-muscle-groups-in-female-soccer-players
#9
Artur Struzik, Adam Siemieński, Tadeusz Bober, Bogdan Pietraszewski
PURPOSE: An increase in the value of the hamstring-to-quadriceps (H/Q) ratio with an increase in angular velocity may effectively prevent injuries of the back of the thigh. Previous studies have found that the conventional H/Q ratio was unaltered along with an increasing angular velocity in females. Therefore, this study aimed to investigate the relationships between the conventional H/Q ratio and angular velocity in a group of female soccer players. METHODS: The study was carried out on a group of 16 female soccer players (age: 20...
2018: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29658334/the-modified-brunelli-procedure-a-simple-passage-for-the-flexor-carpi-radialis-tendon-graft
#10
V Sharma, Z Haider, A Hunter
No abstract text is available yet for this article.
April 16, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29657849/talar-process-fractures-an-overview-and-update-of-the-literature
#11
Haroon Majeed, Donald J McBride
Fractures of the lateral and the posterior processes of the talus are uncommon and frequently missed because of a low level of suspicion and difficulty in interpretation on plain radiographs. Missed fractures can lead to persistent pain and reduced function.Lateral process fractures are usually a consequence of forced dorsiflexion and inversion of fixed pronated foot. These are also commonly known as snowboarder's fractures.The posterior process of the talus is composed of medial and lateral tubercles, separated by the groove for the flexor hallucis longus tendon...
March 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29657475/incidence-of-tendon-rupture-following-volar-plate-fixation-of-distal-radius-fractures-a-survey-of-2787-cases
#12
Kotaro Sato, Kenya Murakami, Yoshikuni Mimata, Minoru Doita
This study assessed the comprehensive incidence of tendon rupture following volar locking plate (VLP) surgery for a large number of patients with distal radius fractures (DRFs) at multiple facilities in one prefecture, Japan. During the 4-year period, 2787 patients with DRFs underwent fixation using VLP. The overall incidence rates of rupture of the FPL, the extensor pollicis longus, the flexor digitorum profundus of the index finger, and the extensor digitorum communis were 0.35% (10 patients), 0.29% (8 patients), 0...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29655367/biologic-plating-of-unstable-distal-radial-fractures
#13
Jae-Man Kwak, Gu-Hee Jung
BACKGROUND: Volar locking plating through the flexor carpi radialis is a well-established technique for treating unstable distal radial fractures, with few reported complications. In certain circumstances, including metaphyseal comminuted fractures, bridge plating through a pronator quadratus (PQ)-sparing approach may be required to preserve the soft tissue envelope. This study describes our prospective experience with bridge plating through indirect reduction. METHODS: Thirty-three wrists (four 23A2, six 23A3, 15 23C1, and eight 23C2) underwent bridge plating through a PQ-sparing approach with indirect reduction from June 2006 to December 2010...
April 14, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29652763/-forearm-based-turnover-muscle-flaps-for-elbow-soft-tissue-reconstruction-a-comparison-of-regional-coverage-based-on-distal-flap-perfusion
#14
Yash J Avashia, Ronnie L Shammas, Luke P Poveromo, Travis J Dekker, Jacob W Brubacher, Marc J Richard, David S Ruch, Suhail K Mithani
BACKGROUND: Elbow wounds pose a reconstructive challenge. Prior studies have described the vascular anatomy of both the brachioradialis (BR) and flexor carpi ulnaris (FCU) muscle flaps. The goal of this study was to describe the distal flap perfusion of the flexor carpi radialis (FCR), with a direct comparison of the BR, FCU, and FCR muscle flaps for coverage around the elbow. METHODS: Six fresh-frozen upper extremity specimens were dissected for BR, FCR, and FCU flaps...
March 28, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29652542/sympathoexcitation-constrains-vasodilation-in-the-human-skeletal-muscle-microvasculature-during-post-occlusive-reactive-hyperemia
#15
Masashi Ichinose, Mikie Nakabayashi, Yumie Ono
We used diffuse correlation spectroscopy (DCS) to investigate sympathetic vasoconstriction, local vasodilation, and integration of these two responses in the skeletal muscle microvasculature of 20 healthy volunteers. DCS probes were placed on the flexor carpi radialis muscle (FC) or the vastus lateralis muscle (VL), and a blood flow index (BFI) was derived continuously. We measured hemodynamic responses during sympathoexcitation induced by forehead cooling, after which the effects of the increased sympathetic tone on vasodilatory responses during post-occlusive reactive hyperemia (PORH) were examined...
April 13, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29649706/quantitative-assessment-for-flexed-elbow-deformity-during-gait-following-botulinum-toxin-a-treatment
#16
Hiroki Tanikawa, Hitoshi Kagaya, Keisuke Inagaki, Yusuke Kotsuji, Keita Suzuki, Kenta Fujimura, Masahiko Mukaino, Satoshi Hirano, Eiichi Saitoh, Yoshikiyo Kanada
BACKGROUND: The effect of botulinum toxin A (BoNTA) injection on flexed-elbow deformity is usually evaluated using the Modified Ashworth Scale (MAS), but only with the muscle tone at rest. Some patients show the flexed-elbow deformity during gait despite low muscle tone at rest. OBJECTIVE: This study aimed to evaluate the effect of BoNTA injection on flexed-elbow deformity during gait using a three-dimensional motion analysis system. METHODS: Twenty stroke patients with spastic flexed-elbow deformity during gait received BoNTA injections into the upper limb muscles...
April 6, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29648958/effect-of-time-elapsed-since-last-pruner-maintenance-on-upper-extremity-biomechanics-during-manual-flower-cutting
#17
Shyrle Berrio, Lope H Barrero
OBJECTIVE: Manual flower cutting imposes large biomechanical demands on workers' upper extremities. Solutions are required to reduce these demands. This study investigated the effect of time elapsed since the last pruner maintenance on the biomechanical demands of the upper extremities during flower-cutting operations. METHODS: Sixteen experienced workers were recruited. All workers performed flower cutting 1, 15, and 30 days after standard pruner maintenance, including cleaning, adjustment, and sharpening...
2018: Journal of Agromedicine
https://www.readbyqxmd.com/read/29643580/effect-of-various-wheelchair-handle-grip-directions-on-muscle-activities-of-upper-body-of-assistant-during-movement-on-ascending-and-descending-ramps
#18
Sang-Yeol Lee, Su-Kyoung Lee, Su-Hong Ahn
[Purpose] This study aims to determine the effects of various wheelchair handle grip directions on the muscle activities of the upper body of an assistant during movement on ascending and descending ramps. [Subjects and Methods] The study subjects were 17 young and healthy participants whose mean age, height, and weight was 23.0 ± 2.7 years, 175.5 ± 4.7 cm, and 70.0 ± 14.2 kg, respectively; all subjects voluntarily consented to participate. Three grip directions were tested: general grip, medial grip, and neutral grip...
December 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29643516/-preliminary-study-of-robot-assisted-ankle-rehabilitation-for-children-with-cerebral-palsy
#19
R L Wang, Z H Zhou, Y C Xi, Q N Wang, N H Wang, Z Huang
OBJECTIVE: To propose a kind of robotic ankle-foot rehabilitation system for children with cerebral palsy and to preliminarily verify its feasibility in clinical application. METHODS: A robot assisted ankle-foot rehabilitation system was specially designed and developed for children with cerebral palsy and a preliminary clinical study was conducted in Department of Rehabilitation Medicine, Peking University First Hospital. Modified Tardieu Scale and joint biomechanical properties (ankle plantar flexion resistance torque under different ankle dorsiflexion angles) were measured to analyze the muscle tone and soft tissue compliance of the ankle plantar flexors pre- and post-robotic training intervention...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29643421/serpine1-knockdown-enhances-mmp-activity-after-flexor-tendon-injury-in-mice-implications-for-adhesions-therapy
#20
Margaret A T Freeberg, Youssef M Farhat, Anas Easa, Jacob G Kallenbach, Dominic W Malcolm, Mark R Buckley, Danielle S W Benoit, Hani A Awad
Injuries to flexor tendons can be complicated by fibrotic adhesions, which severely impair the function of the hand. Adhesions have been associated with TGF-β1, which causes upregulation of PAI-1, a master suppressor of protease activity, including matrix metalloproteinases (MMP). In the present study, the effects of inhibiting PAI-1 in murine zone II flexor tendon injury were evaluated utilizing knockout (KO) mice and local nanoparticle-mediated siRNA delivery. In the PAI-1 KO murine model, reduced adherence of injured tendon to surrounding subcutaneous tissue and accelerated recovery of normal biomechanical properties compared to wild type controls were observed...
April 11, 2018: Scientific Reports
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