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Muscular balance

F Noveletto, A V Soares, B A Mello, C N Sevegnani, F L F Eichinger, M da S Hounsell, P Bertemes-Filho
Hemiparetic stroke patients can have several muscular and postural disorders which compromise their balance. Serious Games (SG) emerged as a new approach to enhance conventional treatment by making it a motivating method to meet individual needs. This paper evaluated the therapeutic effects of a biomedical SG system developed for balance evaluation and training of hemiparetic stroke patients. The system consists of a balance board with inertial sensors and a computer system that runs the game. A novel scoring system for balance evaluation which extracts metric information regarding patients' performance while gaming was proposed...
October 18, 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
Myrope Sanjuán Vásquez, María de la Luz Montes-Castillo, Leonor Elia Zapata-Altamirano, Sara Martínez-Torres, Janitzia Vázquez-Mellado, Carlos Omar Lopez López
One of the main causes of falls in older people is muscle strength loss associated with aging. Russian stimulation can improve muscle strength in healthy individuals, but the effect has never been tested in older individuals with falls syndrome. The aim of this study was to evaluate the usefulness of Russian stimulation plus isometric exercise to improve muscular strength, balance, and mobility in older people with falls syndrome. The recruited participants (older than 60 years, at least one fall in the past year) were evaluated by a physiatrist, who collected clinical data and performed baseline and final evaluations (muscle strength, Berg balance scale, Tinetti mobility test, get up and go test, and 6-min walk test)...
October 15, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
Yuta Takanashi, Yu Chinen, Shigeo Hatakeyama
BACKGROUND: Physical strength improvements have been observed with whole-body vibration training (WBVT); however, the appropriate load and duration have not been determined. Furthermore, studies on WBVT in throwing athletes, for whom power training is important, are lacking. Therefore, we examined the effectiveness of lower limb training by WBVT in male throwing athletes. METHODS: Fourteen male throwing athletes were enrolled. Lower limbs training (squat, single-leg squat, forward lunge, and side lunge) was performed with WBVT (n=7) or without WBVT (n=7)...
October 10, 2018: Journal of Sports Medicine and Physical Fitness
Cristina Cadenas-Sanchez, Timm Intemann, Idoia Labayen, Ana B Peinado, Josep Vidal-Conti, Joaquin Sanchis-Moysi, Diego Moliner-Urdiales, Manuel A Rodriguez Perez, Jorge Cañete Garcia-Prieto, Jorge Del Rosario Fernández-Santos, Borja Martinez-Tellez, Germán Vicente-Rodríguez, Marie Löf, Jonatan R Ruiz, Francisco B Ortega
OBJECTIVES: Reference values are necessary for classifying children, for health screening, and for early prevention as many non-communicable diseases aggravate during growth and development. While physical fitness reference standards are available in children aged 6 and older, such information is lacking in preschool children. Therefore, the purposes of this study were (1) to provide sex-and age-specific physical fitness reference standards for Spanish preschool children; and (2) to study sex differences across this age period and to characterise fitness performance throughout the preschool period...
September 20, 2018: Journal of Science and Medicine in Sport
Mei Li Ng, Nagendra S Yarla, Mario Menschikowski, Olga A Sukocheva
Balanced sphingolipid signaling is important for the maintenance of homeostasis. Sphingolipids were demonstrated to function as structural components, second messengers, and regulators of cell growth and survival in normal and disease-affected tissues. Particularly, sphingosine kinase 1 (SphK1) and its product sphingosine-1-phosphate (S1P) operate as mediators and facilitators of proliferation-linked signaling. Unlimited proliferation (self-renewal) within the regulated environment is a hallmark of progenitor/stem cells that was recently associated with the S1P signaling network in vasculature, nervous, muscular, and immune systems...
September 26, 2018: World Journal of Stem Cells
A B V Furtado, D D Hartmann, R P Martins, P C Rosa, I K da Silva, B S L Duarte, L U Signori, F A A Soares, G O Puntel
When exercises are done in intense or exhaustive modes, several acute biochemical mechanisms are triggered. The use of cryotherapy as cold-water immersion is largely used to accelerate the process of muscular recovery based on its anti-inflammatory and analgesic properties. The present study aimed to study the biochemical effects of cold-water immersion treatment in mice submitted to exercise-induced exhaustion. Swiss albino mice were divided into 4 treatment groups: control, cold-water immersion (CWI), swimming exhaustive protocol (SEP), and SEP+CWI...
October 4, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Shu Hu, Gianni Belcaro, Andrea Ledda, Marcello Corsi, Roberto Cotellese, Beatrice Feragalli, Morio Hosoi, Mark Dugall, Patrizia Torino-Rodriguez, Maria R Cesarone
BACKGROUND: Infectious mononucleosis (IM) is a common disease of adolescents and young adults, characterized by a specific triad of symptoms represented by fever, sore throat and lymphadenopathy. IM may also affect older adults, with different, more intense signs and symptoms such as fatigue, general malaise, and diffuse body pain. The aim of this four-week-registry was to evaluate the effects of Robuvit® supplementation on the main consequences of mononucleosis, particularly fatigue, in otherwise healthy adults...
October 2018: Minerva Pediatrica
Cássio M Siqueira, Aline Rossi, Cristyan Shimamoto, Clarice Tanaka
Flexibility evaluation is a standard assessment in clinical and in sports settings. The Toe-touch test (TTT) is a common assessment tool to evaluate posterior muscular chain flexibility, but the test procedure implies a balance demand. The objective of the study was to verify the hypothesis that the balance demand during the TTT may affect the flexibility measured by the test. Twenty healthy, active young adults participated in the present study. Toe-touch test outcome (the linear finger to toe distance), Center of Pressure (CP) and sagittal plane joint angles were compared under two balance conditions: (1) standard TTT (ST) and (2) minimised postural demand (MPD) during TTT (using a device that restrained the participant against a forward fall)...
October 6, 2018: Human Movement Science
Julia L Frisenda, Paul S Nassif
Rejuvenation of the lower face and neck strives to reverse signs of aging while optimizing the patient's natural anatomy. Common features of an aesthetically pleasing lower face include a well-defined and appropriately balanced mandible and an acute cervicomental angle. Correction of the aging lower face and neck is accomplished through multiple surgical interventions, performed either alone or in combination. Determination of appropriate procedures is based on individual anatomic pathology. Intimate knowledge of facial anatomy and the complexity of the aging process is paramount to achieve a natural and aesthetic result...
October 2018: Facial Plastic Surgery: FPS
Pandu R R Gangula, Kishore B Challagundla, Kalpana Ravella, Sutapa Mukhopadhyay, Vijayakumar Chinnathambi, Mukul K Mittal, K Raja Sekhar, Chethan Sampath
An impaired nitrergic system and altered redox signaling contribute to gastric dysmotility in diabetics. Our earlier studies show that NF-E2-related factor 2 (NRF2) and Phase II antioxidant enzymes play a vital role in gastric neuronal nitric oxide synthase (nNOS) function. This study aims to investigate whether supplementation of sepiapterin (SEP), a precursor for BH4 (a cofactor of NOS) via salvage pathway, restores altered nitrergic systems and redox balance in spontaneous diabetic (DB) female rats. Twelve-week spontaneous DB and age-matched, non-DB rats, with and without dietary SEP (daily 20 mg/kg body weight for 10 days) treatment, were used in this study...
October 4, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
Christina N Cooper, Nicole C Dabbs, Judith Davis, Nicole M Sauls
Cooper, CN, Dabbs, NC, Davis, J, and Sauls, NM. Effects of lower-body muscular fatigue on vertical jump and balance performance. J Strength Cond Res XX(X): 000-000, 2018-Lower-body fatigue can lead to a decline in vertical jump (VJ) and balance performance due to decreased motor control and coordination. The purpose is to determine the effects of lower-body fatigue on VJ and balance performance. Twenty-four recreationally trained individuals participated in a single 1-hour familiarization and testing session...
September 28, 2018: Journal of Strength and Conditioning Research
Hendrik Reimann, Tyler Fettrow, Elizabeth D Thompson, John J Jeka
Neural control of standing balance has been extensively studied. However, most falls occur during walking rather than standing, and findings from standing balance research do not necessarily carry over to walking. This is primarily due to the constraints of the gait cycle: Body configuration changes dramatically over the gait cycle, necessitating different responses as this configuration changes. Notably, certain responses can only be initiated at specific points in the gait cycle, leading to onset times ranging from 350 to 600 ms, much longer than what is observed during standing (50-200 ms)...
2018: Frontiers in Physiology
Matthew A Yeomans, Arnold G Nelson, Michael J MacLellan, Jan M Hondzinski
Muscular fatigue, which reduces force output and position sense, often leads to increased sway and potential balance impairments. In contrast, visually-guided saccadic eye movements (saccades) can attenuate sway more than fixating gaze on an external target. The goals of this study were to determine whether the use of saccades could reduce the increased postural sway in a fatigued state and to better understand the contributions to fatigue-induced increased sway. We compared the effects of gazing at a fixation point (FP) and performing saccades (SAC) on various spatial and temporal measures of the center of pressure (CoP) while participants stood as still as possible on a force plate...
September 26, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
Harry P Cintineo, Daniel J Freidenreich, Caitlin M Blaine, Thomas D Cardaci, Joseph K Pellegrino, Shawn M Arent
Cintineo, HP, Freidenreich, DJ, Blaine, CM, Cardaci, TD, Pellegrino, JK, and Arent, SM. Acute physiological responses to an intensity-and time under-under-tension-equated single- vs. multiple-set resistance training bout in trained men. J Strength Cond Res XX(X): 000-000, 2018-Regardless of the setting, proper manipulation of resistance training program design variables is pivotal in eliciting the desired physiological adaptations. Furthermore, how these variables, especially volume and intensity, work together to affect training outcomes is a major topic of investigation...
September 21, 2018: Journal of Strength and Conditioning Research
Deepika Singla, M Ejaz Hussain, Pooja Bhati
Objective: The purpose of this study was to assess correlation between variables of upper body balance, muscular strength, and power in cricketers belonging to different age groups. Methods: Forty-eight healthy male cricketers (26 adolescents aged 14-17 years and 22 adults aged 18-25 years) were recruited from Jamia Millia Islamia, New Delhi, India. After a warm-up, the participants underwent Upper Quarter Y Balance Test, backward overhead medicine ball throw test, and back-strength testing in a random order...
September 2018: Journal of Chiropractic Medicine
Corina E Schaer, Thomas U Wüthrich, Fernando G Beltrami, Christina M Spengler
INTRODUCTION: Recently a novel, time-saving respiratory muscle sprint-interval training (RMSIT) was developed. To test the extent to which RMSIT improves respiratory muscle performance compared to a conventional respiratory muscle endurance training (RMET), a novel incremental respiratory muscle test (IncRMT), loading inspiratory and expiratory muscles, was designed to assess performance changes associated with respiratory muscle training (RMT). METHODS: Healthy, moderately trained males and females (age: 26 ± 5years, V[Combining Dot Above]O2peak: 47 ± 12 ml·min·kg) were randomized and balanced to 3 groups (RMSIT 5m/5f; RMET 6m/6f; PLAT 5m/6f)...
September 13, 2018: Medicine and Science in Sports and Exercise
Harish Chander, Adam C Knight, John C Garner, Chip Wade, Daniel Carruth, Samuel J Wilson, Jacob R Gdovin, Caleb C Williams
Postural stability has been shown to be impacted by footwear and task performed. This study analysed the impact of two military footwear, standard boot (STB) and minimalist boot (MTB) on postural stability, before (PRE) and after (POST) a load carriage task. Sixteen participants were tested for postural stability using sensory organisation and motor control tests on Neurocom Equitest™. Postural sway, equilibrium scores and postural latencies were analysed using a two-factor repeated measures ANOVA: boot type (STB-MTB) × time (PRE-POST) load carriage task...
September 8, 2018: Ergonomics
Yu-Pin Liang, Yi-Liang Kuo, Hsiang-Chin Hsu, Yen-Ysung Hsia, Ya-Wen Hsu, Yi-Ju Tsai
Sports injuries are common among baseball players and may result in abnormal movement patterns, increased risks of future injury, and unsatisfactory performance. The Functional Movement Screen (FMS™) has been developed to detect abnormal functional movement patterns and can be used for predicting risks of sports injury. However, whether FMS™ scores are associated with athletic performance remains unclear. The goal of this study was to determine the association between functional movements and athletic performance in elite baseball players...
September 6, 2018: Journal of Sports Sciences
Daniel Boari Coelho, Marina Brito Silva, Andrea Cristina de Lima-Pardini, Alessandra Rezende Martinelli, Thais da Silva Baptista, Renato Teodoro Ramos, Luis Augusto Teixeira
Processing of contextual cues has been proposed to modulate the generation of automatic postural responses to unanticipated balance perturbations. In this investigation, we compared young and older individuals in responses to sudden rotations of the support base inducing either planti- or dorsiflexion of the ankles. Assessment was made in conditions resulting from the combination of visual directional cueing of the forthcoming platform rotation, and block versus random sequences of platform rotation directions...
August 29, 2018: Neuroscience Letters
V S Malysheva, V V Gorelik, V N Vlasov
BACKGROUND: Strengthening the health of the young people and adolescents is a priority task for the health care system. The posture, as a habitual position of the body of a person standing at ease, is formed in the course of the child's physical development including the development of the static-dynamic functions. The problems of rehabilitation of the school-age children arising from the necessity to correct impaired posture, including scoliosis, are associated with their life activity and the socio-economic status...
2018: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
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