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https://www.readbyqxmd.com/read/29679921/electromyographic-and-biomechanical-analysis-of-step-negotiation-in-charcot-marie-tooth-subjects-whose-level-walk-is-not-impaired
#1
Tiziana Lencioni, Giuseppe Piscosquito, Marco Rabuffetti, Enrica Di Sipio, Manuela Diverio, Isabella Moroni, Luca Padua, Emanuela Pagliano, Angelo Schenone, Davide Pareyson, Maurizio Ferrarin
BACKGROUND: Charcot-Marie-Tooth (CMT) is a slowly progressive disease characterized by muscular weakness and wasting with a length-dependent pattern. Mildly affected CMT subjects showed slight alteration of walking compared to healthy subjects (HS). RESEARCH QUESTION: To investigate the biomechanics of step negotiation, a task that requires greater muscle strength and balance control compared to level walking, in CMT subjects without primary locomotor deficits (foot drop and push off deficit) during walking...
April 13, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29679807/fish-sarcoplasmic-proteins-as-a-high-value-marine-material-for-wound-dressing-applications
#2
Sara Vieira, Albina R Franco, Emanuel M Fernandes, Sara Amorim, Helena Ferreira, Ricardo A Pires, Rui L Reis, Albino Martins, Nuno M Neves
Fish sarcoplasmic proteins (FSP) constitute around 25-30% of the total fish muscle protein. As the FSP are water soluble, FSP were isolated from fresh cod (Gadus morhua) by centrifugation. By SDS-PAGE, it was possible to determine the composition of FSP extracts (FSP-E). The FSP-E undergo denaturation at 44.12 ± 2.34° C, as characterized by differential scanning calorimetry thermograms (DSC). The secondary structure of FSP-E is mainly composed by α-helix structure, as determined by circular dichroism...
April 5, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29679248/effects-of-training-intensity-in-electromyostimulation-on-human-skeletal-muscle
#3
Toshiharu Natsume, Hayao Ozaki, Ryo Kakigi, Hiroyuki Kobayashi, Hisashi Naito
PURPOSE: High-intensity neuromuscular electrical stimulation (NMES) training can induce muscle hypertrophy at the whole muscle and muscle fiber levels. However, whether low-intensity NMES training has a similar result is unknown. This study aimed to investigate whether low-intensity NMES training could elicit muscle hypertrophy at the whole muscle and muscle fiber levels in the human skeletal muscle. METHODS: Eight untrained young males were subjected to 18 min of unilateral NMES training for 8 weeks...
April 20, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29678696/sarcopenic-obesity-revisited-insights-from-the-mr-and-ms-os-cohort
#4
Jean Woo, Jason Leung
OBJECTIVES: Following the concept of a metabolic load-capacity model, we propose the use of appendicular skeletal muscle mass (ASM) to total body fat (TBF) ratio in predicting 4-year physical limitations, physical performance measures, 6-year incident diabetes and cardiovascular diseases, and 12-year mortality. DESIGN: Cross-sectional and prospective cohort study. SETTING AND PARTICIPANTS: 4000 men and women aged 65 years and older living in the community...
April 17, 2018: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/29678396/time-to-peak-torque-and-acceleration-time-are-altered-in-male-patients-following-traumatic-shoulder-instability
#5
Jin Hyuck Lee, Ji Soon Park, Hyun Jung Hwang, Woong Kyo Jeong
BACKGROUND: Numerous authors have evaluated the strength of the rotator cuff muscles in patients with shoulder instability. However, only limited data are available with regard to neuromuscular control in patients with traumatic anterior shoulder instability, in particular at 90° of abduction. This study was designed to assess muscle strength and neuromuscular control ability using time to peak torque and acceleration time in nonathletic patients with traumatic anterior shoulder instability...
April 17, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29675770/sports-participation-and-fracture-in-older-australian-men
#6
Kara L Holloway-Kew, David J Moloney, Gosia Bucki-Smith, Natalie K Hyde, Sharon L Brennan-Olsen, Elizabeth N Timney, Amelia G Dobbins, Julie A Pasco
Older men who participated in a sporting activity were less likely to sustain any fracture or major osteoporotic fracture over a 6-year follow-up period. PURPOSE: Regular weight-bearing physical activity can reduce fracture risk through an increase in bone strength, as well as reducing falls risk by improving muscle strength and balance. In this study, we aimed to determine whether a specific type of physical activity, sports participation, reduces fracture risk in older Australian men...
April 19, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29675640/effects-of-combined-whole-body-electromyostimulation-and-protein-supplementation-on-local-and-overall-muscle-fat-distribution-in-older-men-with-sarcopenic-obesity-the-randomized-controlled-franconia-sarcopenic-obesity-franso-study
#7
Wolfgang Kemmler, Alexandra Grimm, Michael Bebenek, Matthias Kohl, Simon von Stengel
The primary aim of the project was to determine the combined effect of whole-body electromyostimulation (WB-EMS) and protein supplements on local and overall muscle/fat distribution in older man with sarcopenic obesity (SO). Community-dwelling (cdw) men ≥ 70 years with SO were randomly allocated to a WB-EMS and protein supplementation (n = 33) or a non-intervention control group (CG: n = 34). WB-EMS was conducted 1.5 sessions of 20 min/week for 16 weeks. Whey protein supplementation aimed to ensure a daily intake of 1...
April 19, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29674285/evaluation-of-muscle-strength-balance-and-functionality-of-individuals-with-type-2-charcot-marie-tooth-disease
#8
Iandra Maria Pinheiro de França Costa, Paula Santos Nunes, Eduardo Luis de Aquino Neves, Lidiane Carine Lima Santos Barreto, Catarina Andrade Garcez, Cynthia Coelho Souza, Paulo Márcio Pereira Oliveira, Luiz Augusto Sales Ferreira, Viviane Nascimento Brandão Lima, Adriano Antunes de Souza Araújo
BACKGROUND: Charcot-Marie-Tooth (CMT) disease is part of a group of genetically determined neuropathies. The intrinsic muscles of the feet and legs are affected early in the disease, impacting balance and mobility. RESEARCH QUESTION: The purpose of this study was to evaluate individuals with type 2 Charcot-Marie-Tooth disease to understand how motor changes interfere in balance and function. METHODS: The sample comprised 15 individuals with CMT2 from the same family (CMT2G) and a control group (CG) of healthy individuals matched for age and gender...
April 5, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29673832/effects-of-physical-training-with-the-nintendo-wii-fit-plus-%C3%A2-and-protein-supplementation-on-musculoskeletal-function-and-the-risk-of-falls-in-pre-frail-older-women-protocol-for-a-randomized-controlled-clinical-trial-the-wiiprotein-study
#9
Audrin Said Vojciechowski, Simone Biesek, Jarbas Melo Filho, Estela Iraci Rabito, Maryelle Paula do Amaral, Anna Raquel Silveira Gomes
BACKGROUND: Frailty is one of the key geriatric syndromes and is related to the loss of functional independence. However, the practice of physical training (PT) combined with protein supplementation (PS) may improve musculoskeletal function (MF). OBJECTIVE: To verify the effect of PT using 'exergames' with or without PS on MF, nutritional status, and risk of falls in pre-frail older women. METHOD: The protocol is for a randomized controlled clinical trial with a sample of pre-frail older women, divided into 5 groups: control group; PT using exergames; PS; PT using exergames combined with PS; PT using exergames combined with isoenergetic supplementation...
May 2018: Maturitas
https://www.readbyqxmd.com/read/29673831/association-of-hypovitaminosis-d-with-triceps-brachii-muscle-fatigability-among-older-women-findings-from-the-epidos-cohort
#10
G Duval, Y Rolland, A M Schott, H Blain, P Dargent-Molina, S Walrand, G Duque, C Annweiler
BACKGROUND: Vitamin D affects physical performance in older adults. Its effects on muscles, notably on muscle strength, remain unclear. The objective of this cross-sectional study was to determine whether hypovitaminosis D is associated with triceps brachii muscle fatigability in community-dwelling older women. METHODS: A randomized subset of 744 women aged ≥75years from the EPIDOS cohort was categorized into two groups according to triceps brachii muscle fatigability, defined as loss of strength >5% between two consecutive maximal isometric voluntary contractions...
May 2018: Maturitas
https://www.readbyqxmd.com/read/29673610/low-exertional-inspiratory-capacity-is-not-related-to-dynamic-inspiratory-muscle-weakness-in-heart-failure
#11
Franciele Plachi, Fernanda Machado Balzan, Ricardo Gass, Rui Gustavo Dorneles, Reisi Zambiazi, Danton Pereira da Silva, Paulo R Sanches, Nadine Oliveira Clausell, Danilo C Berton
Reduction in inspiratory capacity (IC) during exercise has been reported in chronic heart failure (CHF). Since inspiratory muscle dysfunction may be present to a variable degree, the assumption that IC reduction during exercise represents an increase in end-expiratory lung volume must be made with caution. This interpretation is flawed if patients develop dynamic inspiratory muscle strength reduction, i.e., progressively lower esophageal (Pes) pressures as the IC maneuvers are repeated. Sixteen CHF patients and 9 age-matched controls performed an incremental exercise test with serial IC and respiratory pressure measurements...
April 16, 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29673544/no-effect-of-creatine-monohydrate-supplementation-on-inflammatory-and-cartilage-degradation-biomarkers-in-individuals-with-knee-osteoarthritis
#12
Stephen M Cornish, Jason D Peeler
The study purpose was to evaluate the effectiveness of creatine monohydrate supplementation (20 grams/day for 1 week and then 5 grams/day for 11 weeks) on inflammation (C-reactive protein, interleukin-1β, interleukin-6, s100 A8/A9, and tumor necrosis factor-α) and cartilage degradation (serum cartilage oligomeric matrix protein) in patients with knee osteoarthritis. We hypothesized that supplementing with creatine monohydrate for 12 weeks would lower biomarkers of inflammation and cartilage degradation in patients with knee osteoarthritis when compared to placebo...
March 2018: Nutrition Research
https://www.readbyqxmd.com/read/29673501/association-of-sarcopenia-with-nutritional-parameters-quality-of-life-hospitalization-and-mortality-rates-of-elderly-patients-on-hemodialysis
#13
Juliana Giglio, Maria Ayako Kamimura, Fernando Lamarca, Juliana Rodrigues, Fernanda Santin, Carla Maria Avesani
OBJECTIVE: This study aimed to assess whether diminished muscle mass, diminished muscle strength, or both conditions (sarcopenia) are associated with worse nutritional status, poor quality of life (QoL), and hard outcomes, such as hospitalization and mortality, in elderly patients on maintenance hemodialysis (MHD). DESIGN AND SUBJECTS: This is a multicenter observational longitudinal study that included 170 patients on MHD (age 70 ± 7 years, 65% male) from 6 dialysis centers...
May 2018: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29673356/controlled-cross-sectional-multi-center-study-of-physical-capacity-and-associated-factors-in-women-with-fibromyalgia
#14
Anette Larsson, Annie Palstam, Jan Bjersing, Monika Löfgren, Malin Ernberg, Eva Kosek, Björn Gerdle, Kaisa Mannerkorpi
BACKGROUND: Health and physical capacity are commonly associated with disease, age, and socioeconomic factors. The primary objective of this study was to investigate the degree to which physical capacity, defined as muscle strength and walking ability, is decreased in women with fibromyalgia (FM), as compared to healthy women, who are matched for age and level of education. The secondary aim was to investigate whether muscle strength and walking ability are associated with age, symptom duration, activity limitations and, Body Mass Index (BMI) in women with FM and control subjects...
April 19, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29673348/path-analysis-of-strength-spasticity-gross-motor-function-and-health-related-quality-of-life-in-children-with-spastic-cerebral-palsy
#15
Eun-Young Park
BACKGROUND: Measures of health-related quality of life may predict the future status of individuals with illnesses, and could therefore be a good indicator in children with cerebral palsy (CP). This study examines the causal relationship between spasticity, weakness, gross motor function, and health-related quality of life (QOL) in school-aged children with spastic CP and tests models of functional outcome mediated by gross motor function. METHODS: A total of 62 children (44 males, 18 females) with spastic CP were recruited...
April 19, 2018: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/29673204/older-adults-with-weaker-muscle-strength-stand-up-from-a-sitting-position-with-more-dynamic-trunk-use
#16
Rob C van Lummel, Jordi Evers, Martijn Niessen, Peter J Beek, Jaap H van Dieën
The ability to stand up from a sitting position is essential for older adults to live independently. Body-fixed inertial sensors may provide an approach for quantifying the sit-to-stand (STS) in clinical settings. The aim of this study was to determine whether measurements of STS movements using body-fixed sensors yield parameters that are informative regarding changes in STS performance in older adults with reduced muscle strength. In twenty-seven healthy older adults, handgrip strength was assessed as a proxy for overall muscle strength...
April 17, 2018: Sensors
https://www.readbyqxmd.com/read/29672352/association-of-activities-of-daily-living-with-the-load-during-step-ascent-motion-in-nursing-home-residing-elderly-individuals
#17
Mitsuhiro Masaki, Tome Ikezoe, Midori Kamiya, Kojiro Araki, Ryo Isono, Takehiro Kato, Ken Kusano, Masayo Tanaka, Syunsuke Sato, Tetsuya Hirono, Kiyoshi Kita, Tadao Tsuboyama, Noriaki Ichihashi
OBJECTIVE: This study aimed to examine the association of independence in ADL with the loads during step ascent motion and other motor functions in 32 nursing home-residing elderly individuals. DESIGN: Independence in ADL was assessed by using the functional independence measure (FIM). The loads at the upper (i.e., pulling up) and lower (i.e., pushing up) levels during step ascent task was measured on a step ascent platform. Hip extensor, knee extensor, plantar flexor muscle, and quadriceps setting strengths; lower extremity agility using the stepping test; and hip and knee joint pain severities were measured...
April 19, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29672230/diaphragm-plasticity-in-aging-and-disease-therapies-for-muscle-weakness-go-from-strength-to-strength
#18
Sarah M Greising, Coen A C Ottenheijm, Ken D O'Halloran, Esther Barreiro
The diaphragm is the main inspiratory muscle and is required to be highly active throughout the lifespan. The diaphragm muscle must be able to produce and sustain various behaviors that range from ventilatory to non-ventilatory such as those required for airway maintenance and clearance. Throughout the lifespan various circumstances and conditions may affect the ability of the diaphragm muscle to generate requisite forces and in turn the diaphragm muscle may undergo significant weakness and dysfunction. For example, hypoxic stress, critical illness, cancer cachexia, chronic obstructive pulmonary disorder (COPD), and age-related sarcopenia all represent conditions in which significant diaphragm muscle dysfunction exits...
April 19, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29671766/protein-intake-and-distribution-in-relation-to-physical-functioning-and-quality-of-life-in-community-dwelling-elderly-people-acknowledging-the-role-of-physical-activity
#19
Dominique S M Ten Haaf, Ellen J I van Dongen, Malou A H Nuijten, Thijs M H Eijsvogels, Lisette C P G M de Groot, Maria T E Hopman
Increasing total protein intake and a spread protein intake distribution are potential strategies to attenuate sarcopenia related loss of physical function and quality of life. The aim of this cross-sectional study was to investigate whether protein intake and protein intake distribution are associated with muscle strength, physical function and quality of life in community-dwelling elderly people with a wide range of physical activity. Dietary and physical activity data were obtained from two studies (N = 140, age 81 ± 6, 64% male), with the following outcome measures: physical functioning (Short Physical Performance Battery (SPPB), comprising balance, gait speed and chair rise tests), handgrip strength and quality of life (EQ-5D-5L)...
April 19, 2018: Nutrients
https://www.readbyqxmd.com/read/29670997/burn-survivors-pulmonary-and-muscular-impairment-exercise-tolerance-and-return-to-work-following-medical-vocational-rehabilitation-a-long-term-follow-up
#20
Viveca Björnhagen, Kristina Schüldt Ekholm, Flemming Larsen, Jan Ekholm
OBJECTIVE: To follow up the long-term outcome in return-to-work (RTW) rate in burn-injury patients, and to determine the degree of impairment in pulmonary and muscular function and exercise tolerance. DESIGN: A prospective, longitudinal follow-up study without a control group. PATIENTS: Twenty-five burn-injury patients referred for medical-vocational rehabilitation. METHODS: Return-to-work rate was followed after completed medical-vocational rehabilitation...
April 19, 2018: Journal of Rehabilitation Medicine
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