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Bilateral Quadriceps Muscle Strength and Pain Correlate With Gait Speed and Gait Endurance Early After Unilateral Total Knee Arthroplasty: A Cross-sectional Study.

OBJECTIVE: The aim of this study was to determine the correlations between objective performance-based physical function, self-reported physical function, quality of life, and gait function at 1 mo after unilateral total knee arthroplasty. DESIGN: Cross-sectional data from 195 patients who underwent unilateral primary total knee arthroplasty were analyzed. The isometric knee extensor and flexor strength of both knees, gait parameters, 6-min walk test, timed up-and-go test, timed stair-climbing test, knee flexion and extension range of motion of surgical knee, Western Ontario McMaster Universi…

Gait analysis for evaluating the relationship between increased signal intensity on t2-weighted magnetic resonance imaging and gait function in cervical spondylotic myelopathy.

OBJECTIVE: To determine relationships between increased signal intensity (ISI) on T2-weighted cervical spine magnetic resonance imaging (MRI) and parameters of gait analysis in patients with cervical spondylotic myelopathy (CSM). DESIGN: Retrospective comparative study. SETTING: Gait analysis laboratory. PARTICIPANTS: Patients (N=36) who undertook cervical laminectomy or laminoplasty because of CSM. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Subjects were evaluated by using the modified Japanese Orthopaedic Association (JOA) scale, the Nurick scale, cervical spine MRI, and gait…

Cognitive Impairment Alters Cortical Adaptation and Gait Regulation During Obstacle Walking in Patients With Parkinson's Disease: Evidence From Temporal fNIRS and Gait Dynamics.

OBJECTIVE: Obstacle crossing during walking poses a major risk of falling among individuals with Parkinson's disease (PD), particularly those with cognitive impairment. Although cognitive decline worsens gait, its specific effects on gait performance and cortical activation during obstacle walking remain unclear. The dynamic interaction between brain activity and gait across different walking phases is especially understudied in PD patients with mild cognitive impairment (PD-MCI) compared with those without cognitive impairment (PD-non-MCI). METHODS: Nineteen PD-non-MCI and fifteen PD-MCI par…

Is spinopelvic compensation associated with unstable gait?: Analysis using whole spine X-rays and a two-point accelerometer during gait in healthy adults.

BACKGROUND: Pelvic incidence (PI)-lumbar lordosis (LL) mismatch has a significant destabilizing effect on the center of gravity sway in the static standing position. However, the association between spinopelvic alignment and balance during gait in healthy volunteers is poorly understood. RESEARCH QUESTION: The degree of PI-LL mismatch and trunk anterior tilt in the static standing posture influences dynamic balance during gait. METHODS: In this study, 131 healthy volunteers were divided into two groups: harmonious group (PI - LL ≤ 10°; n = 91) and unharmonious group (PI - LL > 10°; n = 40). …

Psychometric properties of functional gait assessment in people with stroke.

OBJECTIVE: Walking balance is essential for daily life, especially for people recovering from a stroke. The Functional Gait Assessment (FGA) is a tool commonly used to assess walking stability and predict the risk of falls. However, its reliability and validity in community-dwelling stroke survivors were not well-studied. This study is to investigate the psychometric properties of FGA in people with stroke. METHODS: Sixty-three people with stroke and thirty healthy older adults were recruited to this cross-sectional study. FGA, Fugl-Meyer Assessment Lower Extremity (FMA-LE), Ankle Muscle Stre…

The gait stability characteristics of individuals with chronic ankle instability.

OBJECTIVE: The objective of this study was to investigate gait stability characteristics in patients with chronic ankle instability (CAI) by analyzing six degrees of freedom (6DOF) kinematic alterations in comparison with healthy controls. METHODS: A cross-sectional study was conducted to evaluate 6DOF ankle kinematics in individuals with CAI and healthy controls using a dual fluoroscopic imaging system during treadmill walking. Three representative gait cycles were selected for each participant, normalized to 0-100% of the gait cycle, and averaged for analysis. Time-series kinematic differen…

The Impact of a Lightweight Pneumatic Robotic Knee Wearable on Gait.

BACKGROUND: Exoskeletons may provide quadriceps augmentation to patients with a torn or permanently weak extensor mechanism. Pneumatic exoskeletons utilize pressurized gas to improve gait, but their use and biomechanical impact have not been well described. METHODS: A lightweight pneumatic robotic wearable device was piloted in a clinical gait case report study using four different conditions-no devices, walking stick, inactive brace, and active brace. Walking speed, step length, step time, step width, and hip and knee flexion/extension angles were assessed while walking on a flat, declined, …

Altered Spatiotemporal and Kinematic Gait in Patients with Knee Osteoarthritis.

Background: Knee osteoarthritis (KOA) is a major cause of pain, mobility limitation, and increased fall risk among older adults. Gait dysfunction, characterized by spatiotemporal and kinematic alterations, is a key functional consequence of KOA. While sagittal-plane gait deviations are well-established, multiplanar kinematic changes-particularly in the frontal and transverse planes-remain less clearly understood. This study aimed to compare three-dimensional gait characteristics between older adults with and without KOA. Methods: Ninety older adults (45 with KOA and 45 controls) completed gait…

Impact of leg length discrepancy on gait kinematics and biomechanics.

BACKGROUND: Leg length discrepancy (LLD) alters gait biomechanics and dynamic stability; however, the relationship between LLD magnitude and specific gait deviations remains incompletely understood. RESEARCH QUESTION: This study investigated biomechanical compensatory mechanisms associated with anatomical LLD and examined how these strategies evolve as discrepancy magnitude increases. METHODS: This retrospective cohort study included 74 patients with anatomical LLD who underwent three-dimensional gait analysis at a single institution. LLD was defined as the absolute difference in total leg l…

Impact of psychological treatment in freezing of gait: A pilot study.

UNLABELLED: One common gait issue associated with advanced Parkinson's disease (PD) is freezing of gait (FoG). FoG impacts approximately half of people with PD and negatively impacts quality of life. Studies have suggested that anxiety may contribute to FoG. Individuals with FoG exhibit higher rates of anxiety, but it is unclear if anxiety contributes to FoG development. No known studies have assessed the impact of treating anxiety to improve FoG symptoms. OBJECTIVE: This pilot study evaluated the efficacy of cognitive behavioral therapy (CBT) training in reducing anxiety and improving gait i…

A framework to standardize gait study protocols in Parkinson's disease.

BackgroundResearch over the past twenty years has shown that gait outcomes have a high sensitivity for diagnosing Parkinson's disease (PD), for detecting the effects of interventions, and for monitoring disease progression, even in early disease. However, the lack of standardization in protocols and reported gait measures is impeding data aggregation across study sites and contributes to heterogeneity in the results, thus limiting the adoption of gait outcomes in clinical trials.ObjectiveTo provide recommendations for a minimum set of gait measures to be adopted in projects evaluating people w…

Design Evaluation of a Passive Ankle Exoskeleton for Gait Training.

Stroke survivors often experience severe gait impairments that reduce mobility and independence, highlighting the need for innovative and practical rehabilitation solutions. Many existing devices are limited by their high cost, complexity, or invasive nature, making them inadequate for widespread use in clinical and athome settings. To address these challenges, we introduce the LegExoNET, a passive lower-limb exoskeleton capable of providing both assistance and resistance in ankle dorsiflexion and plantarflexion. During mechanical testing, the torques applied by the device decrease nonlinearly…

Detecting Equine Gaits Through Rider-Worn Accelerometers.

Automatic horse gait classification offers insights into training intensity, but directsensor attachment to horses raises concerns about discomfort, behavioral disruption, andentanglement risks. To address this, our study leverages rider-centric accelerometers formovement classification. The position of a sensor, sampling frequency, and window size ofsegmented signal data have a major impact on classification accuracy in activity recognition.Yet, there are no studies that have evaluated the effect of all these factors simultaneouslyusing accelerometer data from four distinct rider locations (t…

Gait abnormalities in children with FOXP1 syndrome: A case series.

FOXP1 syndrome is a neurodevelopmental disorder caused by mutations or deletions in the Forkhead Box Protein 1 (FOXP1) gene. It is characterized by intellectual disabilities, language difficulties, autism spectrum disorder, congenital anomalies and motor impairments.Walking difficulties have been reported, but specific gait impairments have not previously been described. In this case series, specific gait abnormalities, and how they were managed, are reported in three children with FOXP1 syndrome. The most prominent clinical abnormalities in their gait and gait analysis were toe walking with i…

Abnormal activity in the brainstem affects gait in a neuromusculoskeletal model.

BACKGROUND: The ability to start and stop locomotion in response to different situations is an essential survival strategy in mammals. Mamma … such as Parkinson's disease, patients exhibit disturbed locomotion controls, including freezing of gait, which is defined as "a brief, episodic absence or marked reduction in the forward progression of the feet despite the intention to walk." However, the details and pathophysiological mechanisms of freezing of gait remain unclear. METHODS: In this s …

Digital biomechanical assessment of gait in patients with peripheral neuropathies.

BACKGROUND: The clinical status and treatment response of patients with peripheral neuropathies (PNs) rely on subjective and inaccurate clinical scales. Wearable sensors have been evaluated successfully in other neurological conditions to study gait and balance. Our aim was to explore the ability of biomechanical analysis using wearable technology to monitor disease activity in PN. METHODS: We conducted a single-center, longitudinal study to analyze gait parameters in PN patients and healthy controls using wearable biomechanical sensors. We used a novel technology that registers and integrate…

Фенотиирование и описание профилей людей с множественным склерозом.

Гейтские расстройства относятся к числу наиболее неблагоприятных симптомов у людей с множественным склерозом (PwMS), что существенно влияет на качество жизни, автономию и участие. В расширенной шкале статуса инвалидов (EDSS) фиксируются дефекты - особенно пирамидальные, мозговые и сенсорные - которые влияют на походку. Количественный анализ походов позволяет объективно изучить эти модели, подкрепляющие индивидуализированные стратегии. Цель этого исследования состояла в том, чтобы охарактеризовать профили походов в рамках PSMS на основе функциональных оценок, полученных с помощью ЭДСС. В ходе э

Совпадение в аннотации оригинала
Gait disorders are among the most disabling symptoms in people with multiple sclerosis (pwMS), substantially affecting quality of life, autonomy, and participation. The Expanded Disability Status Scale (EDSS) captures impairments -particularly pyramidal, cerebellar and sensory- that influence gait patterns. Quantitative gait analysis enables objective explor…

Inhibitory control of gait initiation in humans: An electroencephalography study.

Response inhibition is a crucial component of executive control. Although mainly studied in upper limb tasks, it is fully implicated in gait initiation. Here, we assessed the influence of proactive and reactive inhibitory control during gait initiation in healthy adult participants. For this purpose, we measured kinematics and electroencephalography (EEG) activity (event-related potential [ERP] and time-frequency data) during a modified Go/NoGo gait initiation task in 23 healthy adults. The task comprised Go-certain, Go-uncertain, and NoGo conditions. Each trial included preparatory and impera…

Functional connectivity compensation in Parkinson's disease with freezing of gait.

Freezing of gait (FOG) is a disabling motor symptom prevalent in patients with Parkinson's disease (PD); however, its pathophysiological mechanisms are poorly understood. This study aimed to investigate whole-brain functional connectivity (FC) pattern alterations in PD patients with FOG. A total of 18 PD patients, 10 with FOG (PD-FOG) and 8 without FOG (PD-nFOG), and 10 healthy controls were enrolled. High-resolution 3D T1-weighted and resting-state functional MRI (rs-fMRI) data were obtained from all participants. The groups' internetwork connectivity differences were explored with rs-fMRI FC…