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https://www.readbyqxmd.com/read/28933330/-short-term-results-of-surgical-treatment-of-patients-with-hallux-rigidus
#1
M Dygrýnová, M Uvízl, J Gallo
PURPOSE OF THE STUDY Hallux rigidus is common and degenerative arthritis of the first metatarsophalangeal joint. The aim of this study was to assess the results of cheilectomy and total joint replacement (TJR) in patients with hallux rigidus. Minimum duration of followup was 18 months. MATERIAL AND METHODS The study included fifty-nine patients who underwent surgery at our Department due to hallux rigidus between January 2013 and December 2014. Thirty-seven patients underwent cheilectomy and twenty-two patients had total joint arthroplasty using METIS®...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28929926/three-dimensional-kinematic-analysis-and-power-output-of-elite-flat-water-kayakers
#2
Anna Bjerkefors, Olga Tarassova, Johanna S Rosén, Pascal Zakaria, Anton Arndt
The purpose was to examine power output and three-dimensional (3D) kinematic variables in the upper limbs, lower limbs and trunk in elite flat-water kayakers during kayak ergometer paddling. An additional purpose was to analyse possible changes in kinematics with increased intensity and differences between body sides. Six male and four female international level flat-water kayakers participated. Kinematic and kinetic data were collected during three tasks; low (IntL), high (IntH) and maximal (IntM) intensities...
September 20, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28915105/variations-of-ankle-foot-orthosis-constrained-movements-increase-ankle-range-of-movement-while-maintaining-power-output-of-recumbent-cycling
#3
Puteri N F Hamdan, Nur Azah Hamzaid, Juliana Usman, Md Anamul Islam, Victor S P Kean, Ahmad K Abdul Wahab, Nazirah Hasnan, Glen M Davis
Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpose of this study was to determine whether AFOs of a fixed position (FP) and in dorsi-plantarflexion (DPF)-, dorsiflexion (DF)- and plantarflexion (PF)-constrained movements might influence PO during voluntary recumbent cycling exercises...
September 15, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28913376/joint-distraction-in-advanced-osteoarthritis-of-the-ankle
#4
REVIEW
E Carlos Rodriguez-Merchan
BACKGROUND: Ankle joint distraction (AJD) avoids the potential complications associated with ankle fusion or total ankle replacement (TAR) in patients with advanced ankle osteoarthritis (OA). AJD could a tenable option to ankle fusion or TAR. METHODS: A review has been performed on the role of AJD in advanced OA of the ankle. The exploration machine was MedLine. The keywords utilized were: joint distraction ankle. Three hundred and eleven articles were found. Of the above-mentioned, only 14 were chosen and analyzed because they were rigorously focused on the issue and the question of this paper...
July 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28904724/treatment-of-high-energy-pilon-fractures-using-the-ilizarov-treatment
#5
Walid Osman, Zeineb Alaya, Hamdi Kaziz, Lassad Hassini, Meriem Braiki, Nader Naouar, Mohamed Laaziz Ben Ayeche
The management of high-energy pilon fractures is still controversial. Open reduction and internal fixation are often associated with serious complications. Various methods have been used to treat these injuries, with variable results. The aim of this retrospective study was to analyze the clinical and radiographic outcome of the ILIZAROV technique in patients with high-energy pilon fractures. Thirty cases of distal tibia epiphysis fractures (pilon fractures) were managed from 1999 to 2012. The study group included 5 cases of open fractures...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28882509/clinical-benefits-of-joint-mobilisation-on-ankle-sprains-a-systematic-review-and-meta-analysis
#6
REVIEW
Ishanka Weerasekara, Peter Osmotherly, Suzanne Snodgrass, Jodie Marquez, Rutger de Zoete, Darren A Rivett
OBJECTIVE: To assess the clinical benefits of joint mobilisation on ankle sprains. DATA SOURCES: MEDLINE, MEDLINE In Process, Embase, AMED, PsycINFO, CINAHL, Cochrane library, PEDro, Scopus, SPORTDiscus and Dissertations and Thesis were searched from inception to June, 2017. STUDY SELECTION: Studies investigating humans with a grade I or II lateral or medial sprains of the ankle in any pathological state from acute to chronic, who had been treated with joint mobilisation were considered for inclusion...
September 4, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28874063/venous-thromboprophylaxis-with-neuromuscular-stimulation-is-it-calf-muscle-pumping-or-just-twitches-and-jerks
#7
Christopher R Lattimer, Vassilios Zymvragoudakis, George Geroulakos, Evi Kalodiki
The common peroneal nerve stimulator (CPNS) is a UK-approved device for reducing venous thromboembolism risk. It resembles a wrist watch and is placed over the common peroneal nerve to fire at 1 electrical impulse/sec. The aim was to quantify the claim that it drives the venous muscle pump and imitates walking. Twelve healthy volunteers performed 10 tip-toe maneuvers and 10 ankle dorsiflexions to imitate walking movements. The reductions in calf volume were recorded using air plethysmography (APG). The common peroneal nerve was stimulated for over 10 seconds at each of the 7 increasing electrical impulse settings, and the volume reductions were measured for comparison...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28871904/the-biomechanics-and-motor-control-of-tap-dancing
#8
Priscila Rocha, Jodie McClelland, Tony Sparrow, Meg E Morris
Although tap dancing is a popular dance genre, little is known about the biomechanics and motor control of this complex motor skill. We conducted a detailed 3D kinematic analysis of movement timing, amplitude, and symmetry in three experienced female tap dancers. Kinematic analyzes of three basic tap dance steps (nerve beats, brush brush stamps, and heel ball walks) were undertaken. A 10-camera Vicon motion analysis system was used to collect the data. The results showed the feet and knees to play a major role in movement execution...
September 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/28861038/alleviation-of-motor-impairments-in-patients-with-cerebral-palsy-acute-effects-of-whole-body-vibration-on-stretch-reflex-response-voluntary-muscle-activation-and-mobility
#9
Anne Krause, Eckhard Schönau, Albert Gollhofer, Ibrahim Duran, Anja Ferrari-Malik, Kathrin Freyler, Ramona Ritzmann
INTRODUCTION: Individuals suffering from cerebral palsy (CP) often have involuntary, reflex-evoked muscle activity resulting in spastic hyperreflexia. Whole-body vibration (WBV) has been demonstrated to reduce reflex activity in healthy subjects, but evidence in CP patients is still limited. Therefore, this study aimed to establish the acute neuromuscular and kinematic effects of WBV in subjects with spastic CP. METHODS: 44 children with spastic CP were tested on neuromuscular activation and kinematics before and immediately after a 1-min bout of WBV (16-25 Hz, 1...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28845239/kinematic-characteristics-of-infant-leg-movements-produced-across-a-full-day
#10
Ivan A Trujillo-Priego, Beth A Smith
INTRODUCTION: Our purpose is to directly measure variability in infant leg movement behavior in the natural environment across a full day. We recently we created an algorithm to identify an infant-produced leg movement from full-day wearable sensor data from infants with typical development between 1 and 12 months of age. Here we report the kinematic characteristics of their leg movements produced across a full day. METHODS: Wearable sensor data were collected from 12 infants with typical development for 8-13 hours per day...
January 2017: Journal of Rehabilitation and Assistive Technologies Engineering
https://www.readbyqxmd.com/read/28813836/development-of-new-rehabilitation-robot-device-that-can-be-attached-to-the-conventional-knee-ankle-foot-orthosis-for-controlling-the-knee-in-individuals-after-stroke
#11
Kawasaki Shihomi, Ohata Koji, Tsuboyama Tadao, Sawada Yuichi, Higashi Yoshiyuki
This research developed a device that can be attached to the conventional Knee-Ankle-Foot-Orthosis for controlling the knee in individuals after stroke. The device automatically assists the flexion and extension movements of the knee joint at the appropriate timing. We aimed to clarify the effect of this device on gait performance, kinematic pattern and muscle activation during gait. Seventeen participants after stroke were recruited in this study. They walked with this device for 3 minutes, and we measured the 10m gait time, number of steps, knee motion using electric goniometer and muscle activities of lower limbs during gait...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28802220/comparison-of-lower-limb-muscle-strength-between-diabetic-neuropathic-and-healthy-subjects-using-opensim
#12
Alessandra Scarton, Ilse Jonkers, Annamaria Guiotto, Fabiola Spolaor, Gabriella Guarneri, Angelo Avogaro, Claudio Cobelli, Zimi Sawacha
Diabetes neuropathy and vasculopathy are the two major complications of diabetes mellitus, leading to diabetic foot disease, of which the worst consequences are plantar ulcers and amputations. Motor impairments like joint stiffness and loss of balance are distinctive effects of diabetes and they have been extensively explored. However, while altered muscle function has been also assessed through experimentally measured surface electromyography, little is known about muscle forces. The objective of this study was to estimate muscle forces in subjects with diabetes and to use these data to identify differences with respect to a population of healthy subjects matched for age and BMI...
July 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28800714/sagittal-subtalar-and-talocrural-joint-assessment-during-ambulation-with-controlled-ankle-movement-cam-boots
#13
Benjamin D McHenry, Emily L Exten, Janelle A Cross, Karen M Kruger, Brian Law, Jessica M Fritz, Gerald Harris
BACKGROUND: The purpose of the current study was to determine sagittal plane talocrural and subtalar kinematic differences between barefoot and controlled ankle movement (CAM) boot walking. This study used fluoroscopic images to determine talar motion relative to tibia and calcaneal motion relative to talus. METHODS: Fourteen male subjects (mean age 24.1 ± 3.5 years) screened for normal gait were tested. A fluoroscopy unit was used to collect images at 200 Hz during stance...
August 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28780886/reliability-of-unipodal-and-bipodal-counter-movement-jump-landings-in-a-recreational-male-population
#14
Cédric Schwartz, Bénédicte Forthomme, Julien Paulus, Jean-François Kaux, Olivier Brüls, Vincent Denoël, Jean-Louis Croisier
Movement patterns during landing have been suggested to be related to injury risk. The purpose of this study was to determine the inter-session reliability of kinematic variables and ground reaction forces during landing in a population of male recreational athletes after a counter movement jump. Both unipodal and bipodal landings were evaluated. Furthermore, the possibility to improve landing reliability with a verbal instruction was also studied. Twenty-four male volunteers with no history of lower extremity trauma were randomly assigned to two groups (with and without verbal landing instruction)...
October 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28764814/differences-of-muscle-co-contraction-of-the-ankle-joint-between-young-and-elderly-adults-during-dynamic-postural-control-at-different-speeds
#15
Yoshitaka Iwamoto, Makoto Takahashi, Koichi Shinkoda
BACKGROUND: Agonist and antagonist muscle co-contractions during motor tasks are greater in the elderly than in young adults. During normal walking, muscle co-contraction increases with gait speed in young adults, but not in elderly adults. However, no study has compared the effects of speed on muscle co-contraction of the ankle joint during dynamic postural control in young and elderly adults. We compared muscle co-contractions of the ankle joint between young and elderly subjects during a functional stability boundary test at different speeds...
August 2, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28689681/locomotion-pattern-and-foot-pressure-adjustments-during-gentle-turns-in-healthy-subjects
#16
Kathrin E Peyer, Charlotte A Brassey, Kayleigh A Rose, William I Sellers
People suffering from locomotor impairment find turning manoeuvres more challenging than straight-ahead walking. Turning manoeuvres are estimated to comprise a substantial proportion of steps taken daily, yet research has predominantly focused on straight-line walking, meaning that the basic kinetic, kinematic and foot pressure adaptations required for turning are not as well understood. We investigated how healthy subjects adapt their locomotion patterns to accommodate walking along a gently curved trajectory (radius 2...
June 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28673119/biomechanical-differences-of-arm-swing-countermovement-jumps-on-sand-and-rigid-surface-performed-by-elite-beach-volleyball-players
#17
George Giatsis, Vassilios Panoutsakopoulos, Iraklis A Kollias
The purpose of this study was to investigate the possible arm swing effect on the biomechanical parameters of vertical counter movement jump due to differences of the compliance of the take-off surface. Fifteen elite male beach-volleyball players (26.2 ± 5.9 years; 1.87 ± 0.05 m; 83.4 ± 6.0 kg; mean ± standard deviation, respectively) performed counter movement jumps on sand and on a rigid surface with and without an arm swing. Results showed significant (p < .05) surface effects on the jump height, the ankle joint angle at the lowest height of the body center of mass and the ankle angular velocity...
July 4, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28639442/weightbearing-ankle-dorsiflexion-range-of-motion-and-sagittal-plane-kinematics-during-single-leg-drop-jump-landing-in-healthy-male-athletes
#18
Brittany Dowling, April L McPherson, James M Paci
BACKGROUND: Passive ankle dorsiflexion range of motion (DROM) measures have been identified as a risk factor for injury during landings. However, passive measurements might not be indicative of dynamic ankle movement, whereas a weightbearing ROM might be a better tool when evaluating movement. The purpose of this study was to investigate the relationship between weightbearing DROM and sagittal plane landing mechanics in a single leg drop jump task. METHODS: 73 male athletes (22...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28634002/acupressure-therapy-for-acute-ankle-sprains-a-randomized-clinical-trial
#19
Mingxing Zhao, Wei Gao, Long Zhang, Wei Huang, Sihua Zheng, Guanliang Wang, Brian Y Hong, Baoyong Tang
BACKGROUND: Ankle sprains occur frequently among young and active people, accounting for almost 2 million injuries per year. Previous reports suggest that acupressure therapy for acute ankle sprains may shorten the recovery time. OBJECTIVE: To evaluate whether acupressure therapy can improve ankle sprain recovery compared with standard RICE (rest, ice, compression, and elevation) treatment. DESIGN: A randomized controlled trial was conducted...
June 19, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28605225/effect-of-shoes-on-stiffness-and-energy-efficiency-of-ankle-foot-orthosis-bench-testing-analysis
#20
Toshiki Kobayashi, Fan Gao, Nicholas LeCursi, K Bo Foreman, Michael S Orendurff
Understanding the mechanical properties of ankle-foot orthoses (AFOs) is important to maximize their benefit for those with movement disorders during gait. Though mechanical properties such as stiffness and/or energy efficiency of AFOs have been extensively studied, it remains unknown how and to what extent shoes influence their properties. The aim of this study was to investigate the effect of shoes on stiffness and energy efficiency of an AFO using a custom mechanical testing device. Stiffness and energy efficiency of the AFO were measured in the plantarflexion and dorsiflexion range, respectively, under AFO-alone and AFO-Shoe combination conditions...
June 12, 2017: Journal of Applied Biomechanics
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