Results 71 to 80 of about 2,160,236 (400)

Vertical stiffness asymmetries during drop jumping are related to ankle stiffness asymmetries [PDF]

open access: yes, 2016
Asymmetry in vertical stiffness has been associated with increased injury incidence and impaired performance. The determinants of vertical stiffness asymmetry have not been previously investigated.
Alexander   +44 more
core   +1 more source

Recent Advances of Graphene‐Based Wearable Sensors: Synthesis, Fabrication, Performance, and Application in Smart Device

open access: yesAdvanced Materials Interfaces, EarlyView.
This review article explores applications in wearable sensors such as mechanical, electrophysiological, and gas sensors, highlighting advancements that improve device performance and predictability. In addition to analyzing graphene's synthesis techniques, including traditional and advanced laser‐based methods, the article discusses fabrication ...
Fatemeh Saeedi   +2 more
wiley   +1 more source

3D Analysis of the Hindfoot Following Total Ankle Replacement for Varus Ankle Osteoarthritis

open access: yesFoot & Ankle Orthopaedics, 2022
Category: Hindfoot; Ankle; Ankle Arthritis Introduction/Purpose: In advanced stages of varus ankle osteoarthritis (OA) progressive destabilization of the peritalar structures is common.
Peter Kvarda MD   +5 more
doaj   +1 more source

The ankle in XLH: Reduced motion, power and quality of life

open access: yesFrontiers in Endocrinology, 2023
BackgroundX-linked hypophosphatemia (OMIM 307800) is a rare bone disease caused by a phosphate-wasting condition with lifelong clinical consequences.
Celine Akta   +17 more
doaj   +1 more source

Why Do Humans Twist Their Ankle: A Nonlinear Dynamical Stability Model for Lower Limb [PDF]

open access: yesarXiv, 2023
Although ankle injuries resulting from postural instability are frequently observed during high-speed and intense physical activities, most current research has been limited to static or quasi-static models of the lower limb, or has focused solely on the ankle joint itself. In this study, to explain the kinetic mechanism underlying postural instability
arxiv  

A review of the differences between normal and osteoarthritis articular cartilage in human knee and ankle joints [PDF]

open access: yes, 2009
Background: Osteoarthritis (OA) is the most common joint disease yet its pathophysiology is still poorly understood. It is more prevalent in some lower limb joints than others; in particular the knee is more commonly affected than the ankle.
Beeson, Paul   +2 more
core   +1 more source

AI‐Enhanced Gait Analysis Insole with Self‐Powered Triboelectric Sensors for Flatfoot Condition Detection

open access: yesAdvanced Materials Technologies, Volume 10, Issue 6, March 18, 2025.
The given research presents an innovative insole‐based device employing self‐powered triboelectric nanogenerators (TENG) for flatfoot detection. By integrating TENG tactile sensors within an insole, the device converts mechanical energy from foot movements to electrical signals analyzed via machine learning, achieving an 82% accuracy rate in flatfoot ...
Moldir Issabek   +7 more
wiley   +1 more source

Compensatory Function of the Subtalar Joint for Lower Extremity Malalignment

open access: yesAdvances in Orthopedics, 2019
It is important to evaluate the subtalar joint and hip-knee-ankle alignment to understand lower extremity alignment. In this review, we focused on the compensatory changes in the subtalar joint alignment for the deformity of the knee and ankle joint ...
Kensei Yoshimoto   +3 more
doaj   +1 more source

The contributions of ankle, knee and hip joint work to individual leg work change during uphill and downhill walking over a range of speeds

open access: yesRoyal Society Open Science, 2018
The muscles surrounding the ankle, knee and hip joints provide 42, 16 and 42%, respectively, of the total leg positive power required to walk on level ground at various speeds.
J. Montgomery, Alena M. Grabowski
semanticscholar   +1 more source

Self-Expressive Subspace Clustering to Recognize Motion Dynamics of a Multi-Joint Coordination for Chronic Ankle Instability [PDF]

open access: yes, 2019
Ankle sprains and instability are major public health concerns. Up to 70% of individuals do not fully recover from a single ankle sprain and eventually develop chronic ankle instability (CAI). The diagnosis of CAI has been mainly based on self-report rather than objective biomechanical measures. The goal of this study is to quantitatively recognize the
arxiv   +1 more source

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