musculoskeletal equilibrium

..The PPA provides valid and reliable measurements that can be used for assessing falls risk and evaluating the effectiveness of interventions and is suitable for use in a range of physical therapy and health care settings...

..This pilot study provides promising support for the potential benefits of a yoga program for women with FM...

..Our data therefore reveal that the cholinergic neurons of the PPN play a central role in controlling gait and posture and represent a possible target for pharmacological treatment of gait disorders in PD...

..To investigate the value for money of strategies to prevent falls in older adults living in the community...

..CONCLUSION: Muscle strength and balance can be improved in persons with IPD by high-intensity resistance training and balance training...

..To determine how three different physical performance measures (PPMs) combine for added utility in predicting adverse health events in elders...

..On the basis of the results obtained, some guidelines are suggested for the choice of stabilometric parameters to use, with the aim of promoting standardisation in quantitative posturography...

..Our results suggest that pedunculopontine nucleus deep-brain stimulation may be effective in preventing falls in patients with advanced Parkinson's disease but that further evaluation of this procedure is required...

..Nonetheless, we concluded that CP children might benefit from therapies involving postural tasks with an external functional context for postural control...

..Cross-sectional study of whiplash injury patients with vertigo and healthy volunteers consciously pretending to have postural sway as in malingering...

..Thus, people with chronic LBP may be less capable of adapting their APAs to ensure postural stability during movement...

..To evaluate whether changes in muscle strength due to 32 weeks of supervised aquatic training predicted improvements on health-related quality of life (HRQOL)...

..No cognitive load effects were found. The results are generally consistent with the hypothesis that pathological physiological systems exhibit a tendency for less flexible, more deterministic dynamic patterns...

..Prospective controlled clinical study on low back pain (LBP)...

..Linear-regression models showed that the contribution of significant predictors was in expected directions. All regression models were significant, accounting for 16-65% of variance in the dependent variables...

..Conflicting data have been reported over the past 20 years regarding the reliability of COP measures and no standard procedure for COP measure use in study design has been established...

..No correlation between the pain intensity and the magnitude of COP excursions could be identified...

..Our purpose was to further explore the responsiveness of ApEn by using it to evaluate the immediate, short-term effect of secondary cognitive task performance on postural control in healthy, young adults...

..In particular, the link between the segmental configuration of the lower limbs and these mechanisms are discussed...

..Future studies should examine more closely the combined effect of aging and obesity on falling and injuries and the impact of obesity on the diverse range of activities of daily living...

..Although exercise programs have been shown to reduce the risk of falls, the optimal exercise components, as well as the working mechanisms that underlie the effectiveness of these programs, have not yet been established...

..The time-course implementation of central adaptive mechanisms, characterized by substitution by other sensory afferences and new behavioural strategies, leads to an improvement of balance performance...

....

..These findings are consistent with a feedforward mode of neural control whereby the motor sequence, including the associated postural adjustments, is prepared before voluntary movement...

....

..In addition to weight loss, strengthening of ankle flexors/extensors, and balance training, tailored interventions aimed at improving A/P control should be given particular consideration...

..On the basis of this evidence, we also provide recommendations for exercise prescription in such programs...

..Given that the WBB is portable, widely available and a fraction of the cost of a FP, it could provide the average clinician with a standing balance assessment tool suitable for the clinical setting...

..To evaluate the role of balance training on Force Platform with Visual Feedback technique (FPVF) in improving balance and functional outcome in chronic stroke survivors...

..Lumbar (not thoracic) kyphosis and spinal inclination have a statistical correlation with postural sway. Postural deformity with lumber kyphosis may represent as a risk factor for falls...

..The findings from this study suggest that local dynamic stability may be used as a potential fall predictor to differentiate fall-prone adults...

..In recent years, numerous studies have been directed toward the development of effective fall and fall-related fracture prevention interventions...

..The purpose of this study was to determine the influence of age, segmental acceleration and sensory context on anticipatory postural adjustments (APAs) in a forward leg raising task...

..To assess postural control in individuals with Down syndrome...

..This technology provides a safe, adaptable and low-cost balance training/testing solution for older adults, particularly those at high-risk of falling...

..The aim of this study was to estimate the risk of falling associated with commonly accepted and stroke-specific factors in a home-dwelling stroke population...

..These data show that neurons in the PMRF discharge strongly in response to unexpected perturbations and in a manner consistent with a contribution to the compensatory responses that restore equilibrium...

..Lack of empirical data on recovery time following sport-related concussion hampers clinical decision making about return to play after injury...

..In addition, the influence of the extent of disc resection (unilateral/bilateral removal) and the side of operation on static balance control were investigated...

..To examine, using Rasch analysis, the rating scale performance of the Berg Balance Scale (BBS) and to describe the 45/56 cutoff score in functional terms...

..GVS-evoked sway increased with increasing SS amplitude, and Wp measures derived from responses to GVS and from responses to SS rotations were highly correlated...

..To quantify fall risk among patients with multiple sclerosis (MS) and to report the importance of variables associated with falls...

....

....

....

..Overall, subjects who have experienced trauma appear to have greater balance disturbances...

..numerous tests have been suggested as fall risk indicators. However, the validity of these assessments has not been demonstrated in large representative samples of community-dwelling older people...

..Objective data on these matters are thus urgently needed. The force platform technique has widely been used as a tool to assess balance. However, the ability of force platform measures to predict falls remains unknown...

....

....

..The test-retest variability was determined in detail in 12 additional subjects. Prestimulation reduced habituation, but improved the sensitivity of the method; some test-retest variability persisted (< 20%)...

..These findings suggest that GVS could possibly form the basis for a vestibular prosthesis by providing a means through which an individual's posture can be systematically controlled...

..The results of this study will be useful to researchers and clinicians using COP-based measures to evaluate postural steadiness...

..Identification of these factors provides directives for novel therapeutic interventions to reduce fall risk in older people...

..To investigate accidental falls and near fall incidents in people with multiple sclerosis with respect to clinical variables and the predictive values of four tests...

..The present study assessed whether center of pressure (COP) movement measured with force platform technology predicts risk for falls among older people with no manifest deficiency in standing balance...

..The purpose of this study was to compare group treatment using a combination of physical and motor imagery practice with group treatment using only physical practice in subjects with PD...

..The authors conclude that a failure to evaluate and to map proprioceptive information onto voluntary and reflexive motor commands is an integral part of the observed motor symptoms in PD...

..Dancers, possibly as a result of focused balance training, exhibited different dynamic patterns of postural sway...

..The absence of a consistent pattern of correlations between lambda(L-stride) and MeanSD over the three directions suggests that variability and stability reflect, at least to a degree, different properties of the dynamics of walking...

..Still, these modulations could only be detected when using a substantial number of strides (>150)...

..To assess the likelihood of clinical tests for postural balance, walking and motor skills, performed during the first week after stroke, identifying the risk of falling...

..The results of this study are intended to be used to develop a neuroprosthesis for artificial control of trunk stability in individuals with spinal cord injury...

..Therefore, the torsion adapter's added degree of freedom may have a small adverse effect on prosthetic limb stability during straight-line walking and no effect on turning...

..Cross-sectional descriptive analysis investigating intrinsic fall risk factors in postmenopausal women with osteoporosis...

..When should high entropy be interpreted as a healthy sign, and when as marker of deteriorating health? We address this question for the particular case of human standing balance and the Center of Pressure data...

..To examine the influence of balance disability on function and the recovery of function after stroke and consequently to assess the predictive validity of the Brunel Balance Assessment (BBA)...

..The 7-item BBS-3P, compared with the original BBS, is simpler and faster to complete in either a clinical or a research setting and is recommended...

..The model was in good agreement with the data in terms of probability density functions, power spectral densities, short- and long-term correlations (Hurst exponents) as well the critical time between the two ranges...

..Obviously the main part of reduced visual input is compensated by the vestibular system. Moreover, the body sway, represented by the stability indicator, increased in this situation...

..To quantify changes in balance parameters and ranges of postural control at the ankle after isokinetic fatigue...

....

..High level of reliability of % determinism and entropy in this preliminary investigation may show their clinical promise for discriminative and evaluative purposes of balance performance...

..LLE values were found to be positive although close to zero. This suggests that postural sway derives from a process exhibiting weakly chaotic dynamics...

..This study shows that fear of falling is independently associated with falls in this population. Thus, fear of falling should not be overlooked in the prevention of fragility fractures in these patients...

..Major postural corrections are initiated by the ankle excursion. Further, when the available ankle torque is limited or nonexistent, the stability requires resorting to the knee or hip strategies...

..This expressed the capacity of the subjects to use in SO the same optimal conditions to reach gait velocity as in LW, i.e. essentially in a ballistic manner...

....

..To increase impulse amplitude, initial whole body disequilibrium is lengthened and forward CG acceleration is greater. APA programming is probably elaborated on the basis of cognitive evaluation of the antero-posterior disturbance...

..The results are consistent with an internal model that compares the expected with the actual sensory feedback. The short latency of the response suggests a subcortical, possibly cerebellar pathway...

....

..Older adults have less confidence in their ability to reach upward compared to reaching forward. The forward reach test may, therefore, not be ideally suited for detecting functional deficits that directly affect daily activities...

..Nonetheless observation could not replace the task-specific motor training that adaptively updated the internal representations of stability limits for prevention of BLOB...

..To compare walking stance phase rearfoot and forefoot motion, ankle joint moments and extrinsic foot muscle EMG profiles between normal and pes planus feet...

....

..We sought to clarify these relations by testing the hypothesis that step length and step speed affect the ability of young and elderly women to recover balance...

..The finding that GI was unaffected by diminished single leg postural instability suggests that GI is a pre-programmed task...

..The aspects of the modeling framework requiring further investigation and refinement, as well as potential applications of the framework in biomechanics, are discussed...

..Possible applications of the results may be made to the design of work and foot controls in terms of the related task factors for person-machine interfaces with two or more pedals...

..The results demonstrate the ability of the central nervous system to rapidly modify the execution of postural corrections including mechanisms for maintaining dynamic stability...

..Our results indicate that vestibular influences are earlier for the pitch plane and are directed to leg muscles, whereas roll control is later and focused on trunk muscles...

..However, when a specific balance recovery response is not desired after a perturbation, postural responses can be selectively downregulated and integrated into the motor output in a functional and goal-oriented way...

....

..Only in SU, the timing of activation of VLsw and deactivation of SOst strongly co-varied, showing the implementation of a motor synergy to fulfil the new requirements of the task, i.e. body lift...

..Experiments results corroborate the effectiveness of the method to blindly discriminate young subjects, elderly subjects and subjects presenting a risk of falling...

..The results are encouraging for the use of the proposed model as a mean to estimate the COM trajectory during forward stepping...

..BACKGROUND; It is unclear whether children with myelomeningocele have limited control of body posture entirely caused by the impairment in the legs or also by other dysfunction...

..Because the elastic stick FR test relates largely to leg muscle function and equilibrium function, it may be more useful for evaluating the dynamic balance ability of the elderly...

..Children with cerebral palsy with relatively poor ankle control demonstrate the importance of body transverse rotation for postural stability...

..Our results demonstrate that a simple and flexible neural feedback control strategy coordinates multiple muscles over time via a small set of extrinsic, task-level variables during complex multijoint natural movements...

..Specific aim 3 examines the role of the isolated lumbosacral spinal cord in controlling the contact force to maintain postural orientation and equilibrium. ..

..This study is unique because it represents an effort to offer a novel exercise intervention to a sample of PD patients who are confronted with postural instability and mobility problems. ..

..This study is unique because it represents an effort to offer a novel exercise intervention to a sample of PD patients who are confronted with postural instability and mobility problems. ..

..Understanding the ontogeny of gravity reception and mechanisms controlling it will help provide the basis for identifying factors that can affect development and produce abnormal growth and function. ..

..Results using sequential regression analysis, ANOVA, and ANCOVA will determine the importance of these health factors throughout the lifespan. ..

..index of brain white matter organization) contribute most strongly to the acute effects of lorazepam on cognitive/motor performance or postural sway in elderly individuals receiving long-term lorazepam treatment for GAD? ..

..Effective rehabilitation of balance disorders requires a better understanding of how kinesthetic information is used for joint alignment, postural verticality, postural orientation, and control of postural equilibrium responses. ..

..The results from the proposed study will provide scientific data to determine whether or not older workers are capable of performing tasks on ramp surfaces under various combinations of risk factors. ..

..abstract_text> ..

....

..The relevance of this research to public health lies in its focus on understanding the causes and interventions for minimizing the devastating economic, societal, and personal consequences of age-associated falls. ..

..The relevance of this research to public health lies in its focus on understanding the causes and interventions for minimizing the devastating economic, societal, and personal consequences of age-associated falls. ..

..This project seeks to develop new comprehensive concussion assessment procedures aimed at predicting subjects at risk for concussion and ultimately preventing multiple traumatic brain injuries. ..

..Initiate longitudinal 4-year follow-up data collection to test hypotheses regarding selective accelerated deterioration of frontally-based brain systems in normal aging. ..

..This project seeks to develop new comprehensive concussion assessment procedures aimed at predicting subjects at risk for concussion and ultimately preventing multiple traumatic brain injuries. ..

..Initiate longitudinal 4-year follow-up data collection to test hypotheses regarding selective accelerated deterioration of frontally-based brain systems in normal aging. ..

..This project seeks to develop new comprehensive concussion assessment procedures aimed at predicting subjects at risk for concussion and ultimately preventing multiple traumatic brain injuries. ..

..This project seeks to develop new comprehensive concussion assessment procedures aimed at predicting subjects at risk for concussion and ultimately preventing multiple traumatic brain injuries. ..

..Initiate longitudinal 4-year follow-up data collection to test hypotheses regarding selective accelerated deterioration of frontally-based brain systems in normal aging. ..

..abstract_text> ..

..e. the influence of the inertial mass of the pushed object, the velocity of movement, and compare the spinal loads and stability of pushing a cart versus pushing an overhead lift-assist device. ..

..The experimental' hypotheses focus on the combinations of frequency and amplitude that may produce postural instability and motion sickness, and on particular types of instability that may be expected. ..

..systems in excess of those recruited by controls, and this would have the untoward outcome of reducing processing capacity available for simultaneous performance of other tasks, including maintenance of postural stability ..

....

..Aim 3: We will determine whether older adults decrease their fall incidence after repeated exposure to slips by improving gait stability and/or by enhancing their reactive responses. ..