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https://www.readbyqxmd.com/read/29775984/static-postural-stability-in-chronic-ankle-instability-an-ankle-sprain-and-healthy-ankles
#1
Yong Ung Kwon
To identify the single leg balance (SLB) test that discriminates among healthy, coper, and chronic ankle instability (CAI) groups and to determine effects of ankle muscles on the balance error scoring system (BESS) among the three populations. 60 subjects (20 per group) performed the SLB test with eyes open (EO) and eyes closed (EC). Normalized mean amplitude (NMA) of the tibia anterior (TA), fibularis longus (FL), and medial gastrocnemius (MG) muscles and BESS were measured while performing the SLB test. The coper group had a lower error score than the CAI group in the EC...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775118/blood-flow-restricted-resistance-training-in-patients-with-sporadic-inclusion-body-myositis-a-randomized-controlled-trial
#2
A N Jørgensen, P Aagaard, U Frandsen, E Boyle, L P Diederichsen
OBJECTIVES: To investigate the effect of 12 weeks of low-load blood-flow restricted resistance (BFR) training on self-reported and objective physical function, and maximal muscle strength in patients with sporadic inclusion body myositis (sIBM). METHOD: Twenty-two patients with sIBM were randomized into a training group (BFR group) or a non-exercising control group, according to CONsolidated Standards Of Reporting Trials (CONSORT) guidelines. The BFR group performed 12 weeks of BFR training twice per week...
May 18, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29774894/value-of-diffusion-weighted-imaging-for-monitoring-tissue-change-during-magnetic-resonance-guided-high-intensity-focused-ultrasound-therapy-in-bone-applications-an-ex-vivo-study
#3
Sharon L Giles, Jessica M Winfield, David J Collins, Ian Rivens, John Civale, Gail R Ter Haar, Nandita M deSouza
Background: Magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) can palliate metastatic bone pain by periosteal neurolysis. We investigated the value of diffusion-weighted imaging (DWI) for monitoring soft tissue changes adjacent to bone during MR-guided HIFU. We evaluated the repeatability of the apparent diffusion coefficient (ADC) measurement, the temporal evolution of ADC change after sonication, and its relationship with thermal parameters. Methods: Ex-vivo experiments in lamb legs ( n = 8) were performed on a Sonalleve MR-guided HIFU system...
2018: European radiology experimental
https://www.readbyqxmd.com/read/29774305/multi-slice-mri-reveals-heterogeneity-in-disease-distribution-along-the-length-of-muscle-in-duchenne-muscular-dystrophy
#4
Stephen M Chrzanowski, Celine Baligand, Rebecca J Willcocks, Jasjit Deol, Ilona Schmalfuss, Donovan J Lott, Michael J Daniels, Claudia Senesac, Glenn A Walter, Krista Vandenborne
Background: Duchenne muscular dystrophy (DMD) causes progressive pathologic changes to muscle secondary to a cascade of inflammation, lipid deposition, and fibrosis. Clinically, this manifests as progressive weakness, functional loss, and premature mortality. Though insult to whole muscle groups is well established, less is known about the relationship between intramuscular pathology and function. Objective: Differences of intramuscular heterogeneity across muscle length were assessed using an ordinal MRI grading scale in lower leg muscles of boys with DMD and correlated to patient's functional status...
September 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29773764/degloving-lower-leg-injury-the-importance-of-additional-treatment-negative-pressure-and-hyperbaric-oxygen-therapy
#5
Piotr Stabryła, Joanna Kulińska, Łukasz Warchoł, Anna Kasielska-Trojan, Wojciech Gaszyński, Bogusław Antoszewski
Degloving injury poses a severe therapeutic challenge concerning both trauma and plastic surgery. The injury involves separation of skin and subcutaneous tissue from fascia and muscles. Treatment is often long-lasting and brings unsatisfying results due to the extent of damage, risk of infection and massive blood loss. In this article, we present the management and therapeutic outcomes of a patient admitted due to the degloving injury of the lower extremity caused by workplace accident. We described the complexity of treatment including surgical intervention as well as additional treatment, which combined brought good esthetic outcome...
April 30, 2018: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29773685/simulated-work-loops-predict-maximal-human-cycling-power
#6
James C Martin, Jennifer A Nichols
Fish, birds, and lizards sometimes perform locomotor activities with maximized muscle power. Whether humans maximize muscular power is unknown because current experimental techniques cannot be applied non-invasively. This study uses simulated muscle work loops to examine whether voluntary maximal cycling is characterized by maximized muscle power. The simulated work loops leverage experimentally measured joint angles, anatomically realistic muscle parameters (muscle-tendon lengths, velocities, and moment arms), and a published muscle model to calculate powers and forces for thirty-eight muscles...
May 17, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29773203/validation-of-semiautomatic-scoring-of-rem-sleep-without-atonia-in-patients-with-rbd
#7
D Guttowski, G Mayer, W H Oertel, K Kesper, T Rosenberg
OBJECTIVE/BACKGROUND: To evaluate REM sleep without atonia (RSWA) in REM sleep behavior disorder (RBD) several automatic algorithms have been developed. We aimed to validate our algorithm (Mayer et al., 2008) in order to assess the following: (1). capability of the algorithm to differentiate between RBD, night terror (NT), somnambulism (SW), Restless legs syndrome (RLS), and obstructive sleep apnea (OSA), (2). the cut-off values for short (SMI) and long muscle activity (LMI), (3). which muscles qualify best for differential diagnosis, and (4)...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29773202/impaired-short-term-plasticity-in-restless-legs-syndrome-a-pilot-rtms-study
#8
Giuseppe Lanza, Bartolo Lanuzza, Debora Aricò, Mariagiovanna Cantone, Filomena Irene Ilaria Cosentino, Rita Bella, Giovanni Pennisi, Raffaele Ferri, Manuela Pennisi
BACKGROUND: Previous studies showed an impairment of the LTP-like plasticity to TMS in restless legs syndrome (RLS). Clinically, repetitive TMS (rTMS) was effective in alleviating the sensory-motor complaints of patients, although the effects induced by low-frequency (inhibitory) rTMS have not yet been investigated. An impaired LTD-like mechanism of cortical plasticity has been hypothesized, which we have directly assessed in this pilot study. METHODS: Motor evoked potentials (MEPs) from the right first dorsal interosseus muscle were recorded at the stimulus intensity of 110% of the resting motor threshold (rMT) from 13 right-handed patients and ten age-matched right-handed healthy controls...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29773185/kinetics-and-tissue-distribution-of-bismuth-tin-and-lead-after-implantation-of-miniature-shotgun-alloy-pellets-in-rats
#9
Vidar Skaug, Einar Eilertsen, Asbjørn Skogstad, Finn E S Levy, Balázs Berlinger, Yngvar Thomassen, Dag G Ellingsen
INTRODUCTION: Shotgun pellets containing bismuth (Bi) as substitute for lead (Pb) are increasingly being used due to environmental concerns. Information on toxicokinetics of Bi is lacking for the assessment of humans accidentally shot by Bi-containing shotgun alloy pellets. METHODS: Male Wistar rats were exposed to miniature alloy pellets containing Bi, tin (Sn) and minor amounts of Pb by implantation in muscle tissues of the hind legs. RESULTS: The concentrations of Bi in whole blood and urine increased up to 53 weeks after implantation...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772844/leucine-supplementation-does-not-attenuate-skeletal-muscle-loss-during-leg-immobilization-in-healthy-young-men
#10
Evelien M P Backx, Astrid M H Horstman, Gabriel N Marzuca-Nassr, Janneau van Kranenburg, Joey S Smeets, Cas J Fuchs, Anniek A W Janssen, Lisette C P G M de Groot, Tim Snijders, Lex B Verdijk, Luc J C van Loon
BACKGROUND: Short successive periods of physical inactivity occur throughout life and contribute considerably to the age-related loss of skeletal muscle mass. The maintenance of muscle mass during brief periods of disuse is required to prevent functional decline and maintain metabolic health. OBJECTIVE: To assess whether daily leucine supplementation during a short period of disuse can attenuate subsequent muscle loss in vivo in humans. METHODS: Thirty healthy (22 ± 1 y) young males were exposed to a 7-day unilateral knee immobilization intervention by means of a full leg cast with (LEU, n = 15) or without (CON, n = 15) daily leucine supplementation (2...
May 17, 2018: Nutrients
https://www.readbyqxmd.com/read/29772819/do-young-people-ever-sit-still-variations-in-accelerometer-counts-muscle-activity-and-heart-rate-across-various-sedentary-activities-in-youth
#11
Evi van Ekris, Mai J M Chinapaw, Joost Rotteveel, Teatske M Altenburg
Evidence of adverse health effects of TV viewing is stronger than for overall sedentary behaviour in youth. One explanation may be that TV viewing involves less body movement than other sedentary activities. Variations in body movement across sedentary activities are currently unknown, as are age differences in such variations. This study examined body movement differences across various sedentary activities in children and adolescents, assessed by hip-, thigh- and wrist-worn accelerometers, muscle activity and heart rate...
May 17, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29771607/mechanistic-insights-into-the-modulatory-role-of-the-mechanoreflex-on-central-hemodynamics-using-passive-leg-movement-in-humans
#12
Nicholas T Kruse, William E Hughes, Darren P Casey
The aim of this study was to examine the independent contributions of joint range of motion (ROM), muscle fascicle length (MFL) and joint angular velocity on mechanoreceptor mediated central cardiovascular dynamics using passive leg movement (PLM) in humans. Twelve healthy males (age: 23{plus minus}2 yrs, body mass index: 23.7 kg/m2 ) performed continuous PLM at various randomized joint angles ROM (0-50{degree sign} vs. 50-100{degree sign} vs. 0-100{degree sign}) and joint angular velocities ('fast': 200{degree sign}/s vs...
May 17, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29770501/correlation-between-cycling-power-and-muscle-thickness-in-cyclists
#13
Hyung-Jin Lee, Kang-Woo Lee, Yong-Woo Lee, Hee-Jin Kim
INTRODUCTION: The aim of this study was to determine the correlation between muscle thickness (MT) and cycling power in varsity cyclists using ultrasonography (US) and to identify any differences in MT between short- and long-distance cyclists. MATERIALS AND METHODS: Twelve cyclists participated in this study. Real-time two-dimensional B-mode US was used to measure the MT in the anterior thigh, anterior lower leg, and trunk, especially in the abdominal and lumbar regions...
May 17, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29769834/continuous-knee-cooling-affects-functional-hop-performance-a-randomized-controlled-trial
#14
Bruno Tassignon, Ben Serrien, Kevin De Pauw, Jean-Pierre Baeyens, Romain Meeusen
Cryotherapy is widely used in sports and rehabilitation to aid recovery and injury management. The purpose was to examine if a low temperature computer controlled continuous knee cooling protocol (10°C) for one hour and a moderate continuous knee cooling protocol (18°C) for one hour affected neuromuscular activity and functional performance tests. We used a randomized controlled study design. Twenty healthy male subjects (age = 24 ± 3 years) were included and randomized into 2 groups (10°C and 18°C). On day one, participants performed a maximal voluntary contraction of the quadriceps (MVC), single leg hop for distance (SLHD), and crossover hop for time (COHT) with both legs before and after cooling of their right leg...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29769464/-a-case-study-of-tailor-made-exercise-for-preventing-decrease-in-physical-function-analyzing-the-effect-of-tailor-made-exercise-from-a-motion-study-motor-function-test-and-questionnaire
#15
Naomichi Tani, Yoshiyuki Higuchi, Masanori Ohta, Zyunichi Akathu, Masaharu Kumashiro
OBJECTIVE: This study aimed to verify the effect of tailor-made exercise depending on the characteristics of a certain food manufacturing industry on the physical function and subjective symptoms of employees. METHODS: For the development of tailor-made exercise, work analysis was carried out at each factory to comprehend the physical burden due to work load. The motor function test and questionnaire survey for subjective symptoms were conducted before and after exercise during 3 months...
May 16, 2018: Sangyō Eiseigaku Zasshi, Journal of Occupational Health
https://www.readbyqxmd.com/read/29767354/proprioceptive-muscle-tendon-stimulation-reduces-symptoms-in-primary-orthostatic-tremor
#16
M Wuehr, C Schlick, K Möhwald, R Schniepp
INTRODUCTION: Primary orthostatic tremor (OT) is characterized by high-frequency lower limb muscle contractions and a disabling sense of unsteadiness while standing. To date, therapeutic options for OT are limited. Here, we examined the effects of proprioceptive leg muscle stimulation via muscle tendon vibration (MTV) on tremor and balance control in patients with primary OT. METHODS: Tremor in nine patients with primary OT was examined during four conditions: standing (1), standing with MTV on the bilateral soleus muscles (2), lying (3), and lying with MTV (4)...
May 16, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29765882/relationship-between-functional-level-and-muscle-thickness-in-young-children-with-cerebral-palsy
#17
Yeo Reum Choe, Joo Sup Kim, Kee Hoon Kim, Tae Im Yi
Objective: To investigate the relationship between functional level and muscle thickness (MT) of the rectus femoris (RF) and the gastrocnemius (GCM) in young children with cerebral palsy (CP). Methods: The study participants were comprised of 26 children (50 legs) with spastic CP, aged 3-6 years, and 25 age-matched children with typical development (TD, 50 legs). The MT of the RF, medial GCM, and lateral GCM was measured with ultrasound imaging. The functional level was evaluated using the Gross Motor Function Measurement-88 (GMFM-88), Gross Motor Function Classification System (GMFCS), and based on the mobility area of the Korean version of the Modified Barthel Index (K-MBI)...
April 2018: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29765189/effect-of-capacitive-and-resistive-electric-transfer-on-changes-in-muscle-flexibility-and-lumbopelvic-alignment-after-fatiguing-exercise
#18
Yuki Yokota, Takuya Sonoda, Yuto Tashiro, Yusuke Suzuki, Yu Kajiwara, Hala Zeidan, Yasuaki Nakayama, Mirei Kawagoe, Kanako Shimoura, Masataka Tatsumi, Kengo Nakai, Yuichi Nishida, Tsubasa Bito, Soyoka Yoshimi, Tomoki Aoyama
[Purpose] This study aimed to clarify the effects of Capacitive and Resistive electric transfer (CRet) on changes in muscle flexibility and lumbopelvic alignment after fatiguing exercise. [Subjects and Methods] Twenty-two healthy males were assigned into either the CRet (n=11) or control (n=11) group. Fatiguing exercise and CRet intervention were applied at the quadriceps muscle of the participants' dominant legs. The Ely test, pelvic tilt, lumbar lordosis, and superficial temperature were measured before and after exercise and for 30 minutes after intervention...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29765181/assessment-of-leg-muscle-activity-using-toe-tapping-in-patients-with-parkinson-s-disease-comparison-of-two-types-of-toe-tapping
#19
Seira Taniguchi, Ferdinand Peper, Tetsuya Shimokawa
[Purpose] This study investigates two types of toe tapping, i.e., "closed," with both feet on the floor, and "open," in which the foot does not touch the ground, and evaluates their usefulness in combination with monitoring of muscle activity during toe tapping. [Subjects and Methods] The study enrolled 11 patients with Parkinson's disease (PD) and 9 controls (Controls). The tibialis anterior (TA) and gastrocnemius (GS) muscle activity during toe tapping was measured using surface electromyography...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29765178/gender-difference-in-factors-affecting-the-medial-longitudinal-arch-height-of-the-foot-in-healthy-young-adults
#20
Katsuhito Nagano, Risako Okuyama, Natsuki Taniguchi, Tomoki Yoshida
[Purpose] Medial longitudinal arch (MLA) height is associated with various injuries and diseases and gender differences, if any. This study aimed to examine factors affecting the MLA height associated with gender differences in healthy subjects with no orthopedic disorders. [Subjects and Methods] This study included 36 healthy adults (19 males, 17 females; mean age, 21.8 ± 3.6 years; body mass index, 21.1 ± 2.0 kg/m2 ). Their height, body weight, foot length, muscle strength of the tibialis posterior muscle (TPM), toe-gripping strength, hallux valgus angle, inversion microdactylia angle, angle of leg-heel alignment, femoro-tibial angle, and navicular height were measured...
May 2018: Journal of Physical Therapy Science
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