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Ankle mobilization

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https://www.readbyqxmd.com/read/28802220/comparison-of-lower-limb-muscle-strength-between-diabetic-neuropathic-and-healthy-subjects-using-opensim
#1
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/28779803/deltoid-ligament-repair-in-flatfoot-deformity
#2
REVIEW
Ezekiel Oburu, Mark S Myerson
Deltoid ligament reconstruction allows for joint preservation of the ankle in the setting of patients a triple arthrodesis due to a flat foot deformity. Although the increased forces that may occur in the ankle joint after a triple arthrodesis cannot be eliminated, reconstruction of the ligament will delay and may prevent the onset arthritis, allowing the patient to maintain mobility of the ankle joint. The anatomy, surgery, and risks and benefits are discussed.
September 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28777275/gait-deviations-in-children-with-osteogenesis-imperfecta-type-i
#3
Christina R Garman, Adam Graf, Joseph Krzak, Angela Caudill, Peter Smith, Gerald Harris
BACKGROUND: Osteogenesis imperfecta (OI) is a congenital connective tissue disorder often characterized by orthopaedic complications that impact normal gait. As such, mobility is of particular interest in the OI population as it is associated with multiple aspects of participation and quality of life. The purpose of the current study was to identify and describe common gait deviations in a large sample of individuals with type I OI and speculate the etiology with a goal of improving function...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28771113/active-ankle-circumduction-to-identify-mobility-deficits-in-sub-acute-ankle-sprain-patients
#4
Clément Theurillat, Ilona Punt, Stéphane Armand, Alice Bonnefoy-Mazure, Lara Allet
Assessment of ankle mobility is complex and of clinical relevance after an ankle sprain. This study develops and tests a biomechanical model to assess active ankle circumduction and its reliability. The model was then applied to compare individuals' ankle mobility between injured and non-injured ankles after a sprain episode. Twenty patients with sub-acute unilateral ankle sprain were assessed at 4 and 10 weeks after the injury. They underwent a clinical exam and an ankle circumduction test during which the kinematics were recorded with an optoelectronic device...
August 3, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28762149/corr-insights-%C3%A2-are-there-differences-in-gait-mechanics-in-patients-with-a-fixed-versus-mobile-bearing-total-ankle-arthroplasty-a-randomized-trial
#5
Xavier M Crevoisier
No abstract text is available yet for this article.
July 31, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28755611/fixed-and-mobile-bearing-total-ankle-prostheses-effect-on-tibial-bone-strain
#6
Alexandre Terrier, Caroline Sieger Fernandes, Maïka Guillemin, Xavier Crevoisier
BACKGROUND: Total ankle replacement is associated to a high revision rate. To improve implant survival, the potential advantage of prostheses with fixed bearing compared to mobile bearing is unclear. The objective of this study was to test the hypothesis that fixed and mobile bearing prostheses are associated with different biomechanical quantities typically associated to implant failure. METHODS: With a validated finite element model, we compared three cases: a prosthesis with a fixed bearing, a prosthesis with a mobile bearing in a centered position, and a prosthesis with mobile bearing in an eccentric position...
July 19, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28747517/a-soft-robotic-exosuit-improves-walking-in-patients-after-stroke
#7
Louis N Awad, Jaehyun Bae, Kathleen O'Donnell, Stefano M M De Rossi, Kathryn Hendron, Lizeth H Sloot, Pawel Kudzia, Stephen Allen, Kenneth G Holt, Terry D Ellis, Conor J Walsh
Stroke-induced hemiparetic gait is characteristically slow and metabolically expensive. Passive assistive devices such as ankle-foot orthoses are often prescribed to increase function and independence after stroke; however, walking remains highly impaired despite-and perhaps because of-their use. We sought to determine whether a soft wearable robot (exosuit) designed to supplement the paretic limb's residual ability to generate both forward propulsion and ground clearance could facilitate more normal walking after stroke...
July 26, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28726265/how-to-havest-the-greatest-length-of-tibialis-posterior-tendon-in-tibialis-posterior-tendon-transfer-a-cadaveric-study
#8
Korakot Thamphongsri, Thos Harnroongroj, Atthakorn Jarusriwanna, Bavornrit Chuckpaiwong
INTRODUCTION: In anterior transfer of the tibialis posterior tendon, the tendon was harvested using two incisions, the first at its attachment point on the navicular bone and second on the medial side of the leg above the medial malleolus. To provide the maximum tendon length, the second incision needs to be as proximal as possible but injury to the muscle origin must be avoided. The purpose of this study is to establish the location of the second incision that yields the greatest tendon length...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28718754/rhythmic-interlimb-coordination-impairments-are-associated-with-mobility-limitations-among-older-adults
#9
Eric G James, Suzanne G Leveille, Jeffrey M Hausdorff, Thomas Travison, Sarah Cote, Philip Conatser, Murat Karabulut, Andrea C Mendes, David N Kennedy, Katherine L Tucker, Soham Al Snih, Kyriakos S Markides, Jonathan F Bean
Background/Study Context: Mobility limitations affect more than 25% of adults aged 70 years or older. This study tested the hypothesis that impairments in ankle and shoulder coordination are associated with mobility limitations among older adults. METHODS: his study consisted of conducted a cross-sectional analysis from a sample of community-dwelling older adults (N = 130) aged ≥67 years. Motion capture equipment was used to collect kinematic data during rhythmic antiphase coordination of the right and left: (a) ankles moving in dorsi-plantarflexion; and (b) glenohumeral ("shoulder") moving in flexion-extension while paced by an auditory metronome...
July 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28701161/podiatry-intervention-versus-usual-care-to-prevent-falls-in-care-homes-pilot-randomised-controlled-trial-the-pirfect-study
#10
Gavin Wylie, Hylton B Menz, Sarah McFarlane, Simon Ogston, Frank Sullivan, Brian Williams, Zoe Young, Jacqui Morris
BACKGROUND: Common foot problems are independent risk factors for falls in older people. There is evidence that podiatry can prevent falls in community-dwelling populations. The feasibility of implementing a podiatry intervention and trial in the care home population is unknown. To inform a potential future definitive trial, we performed a pilot randomised controlled trial to assess: (i) the feasibility of a trial of a podiatry intervention to reduce care home falls, and (ii) the potential direction and magnitude of the effect of the intervention in terms of number of falls in care home residents...
July 12, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28700719/stair-negotiation-made-easier-using-novel-interactive-energy-recycling-assistive-stairs
#11
Yun Seong Song, Sehoon Ha, Hsiang Hsu, Lena H Ting, C Karen Liu
Here we show that novel, energy-recycling stairs reduce the amount of work required for humans to both ascend and descend stairs. Our low-power, interactive, and modular steps can be placed on existing staircases, storing energy during stair descent and returning that energy to the user during stair ascent. Energy is recycled through event-triggered latching and unlatching of passive springs without the use of powered actuators. When ascending the energy-recycling stairs, naive users generated 17.4 ± 6.9% less positive work with their leading legs compared to conventional stairs, with the knee joint positive work reduced by 37...
2017: PloS One
https://www.readbyqxmd.com/read/28700630/simulating-ideal-assistive-devices-to-reduce-the-metabolic-cost-of-walking-with-heavy-loads
#12
Christopher L Dembia, Amy Silder, Thomas K Uchida, Jennifer L Hicks, Scott L Delp
Wearable robotic devices can restore and enhance mobility. There is growing interest in designing devices that reduce the metabolic cost of walking; however, designers lack guidelines for which joints to assist and when to provide the assistance. To help address this problem, we used musculoskeletal simulation to predict how hypothetical devices affect muscle activity and metabolic cost when walking with heavy loads. We explored 7 massless devices, each providing unrestricted torque at one degree of freedom in one direction (hip abduction, hip flexion, hip extension, knee flexion, knee extension, ankle plantarflexion, or ankle dorsiflexion)...
2017: PloS One
https://www.readbyqxmd.com/read/28672133/unstable-fragility-fractures-of-the-ankle-in-the-elderly-transarticular-steinmann-pin-or-external-fixation
#13
R P J Meijer, J A Halm, T Schepers
INTRODUCTION: Because of poor skin conditions and comorbidity, open reduction and internal fixation in ankle fractures is frequently contra-indicated in the elderly. This study reports the results of two temporary fixation types in fragility fractures in the older patient: transarticular Steinmann pin fixation and external fixation. METHODS: Patients aged over 60 treated with a Steinmann pin or external fixation were retrospectively included. Patient, fracture and treatment characteristics were collected...
April 27, 2017: Foot
https://www.readbyqxmd.com/read/28668919/feasibility-of-continuous-actigraphy-in-patients-in-a-medical-intensive-care-unit
#14
Biren B Kamdar, Daniel J Kadden, Sitaram Vangala, David A Elashoff, Michael K Ong, Jennifer L Martin, Dale M Needham
BACKGROUND: Poor sleep and immobility are common in patients in the medical intensive care unit (MICU) and are associated with adverse outcomes. Interventions to promote sleep and mobilization in the MICU are gaining popularity, but feasible instruments to measure their effectiveness are lacking. Actigraphy may be useful for large-scale, continuous measurement of sleep and activity, but its feasibility in MICU patients has not been rigorously evaluated. OBJECTIVE: To evaluate the feasibility of continuous actigraphy measurement in consecutive MICU patients...
July 2017: American Journal of Critical Care: An Official Publication, American Association of Critical-Care Nurses
https://www.readbyqxmd.com/read/28668735/characteristics-of-patients-with-fibromyalgia
#15
José Manuel Padín Galea, María Jesús Fernández-Aceñero, José Luis Moreno de la Fuente
BACKGROUND: Fibromyalgia is characterised by generalized pain. A search of the available literature found no previous reports describing the specific characteristics of patients with fibromyalgia. OBJECTIVES: To describe characteristics of patients with fibromyalgia. MATERIAL AND METHODS: Case-control study including 50 patients with fibromyalgia and 50 gender and age-matched controls. After obtaining written informed consent for the study, demographic data were collected and pain in the leg, ankle and foot area was measured using a visual analogue scale (VAS)...
April 4, 2017: Foot
https://www.readbyqxmd.com/read/28667341/-locked-retrograde-fibula-nail-for-the-surgical-treatment-of-unstable-ankle-fractures
#16
S Förch, U Franz, E Mayr
OBJECTIVE: Minimally invasive surgical stabilization of ankle fractures allowing postoperative full weight bearing. INDICATIONS: Unstable ankle fractures type Weber B and C in the geriatric patients or with a critical soft tissue situation. CONTRAINDICATIONS: Ankle fractures in young patients and patients with high demands (relative contraindication). SURGICAL TECHNIQUE: Closed reduction, retrograde insertion of the intramedullary nail into the fibula via a small incision, insertion of up to four locking screws using an aiming device and small incisions...
June 30, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28642437/human-in-the-loop-optimization-of-exoskeleton-assistance-during-walking
#17
Juanjuan Zhang, Pieter Fiers, Kirby A Witte, Rachel W Jackson, Katherine L Poggensee, Christopher G Atkeson, Steven H Collins
Exoskeletons and active prostheses promise to enhance human mobility, but few have succeeded. Optimizing device characteristics on the basis of measured human performance could lead to improved designs. We have developed a method for identifying the exoskeleton assistance that minimizes human energy cost during walking. Optimized torque patterns from an exoskeleton worn on one ankle reduced metabolic energy consumption by 24.2 ± 7.4% compared to no torque. The approach was effective with exoskeletons worn on one or both ankles, during a variety of walking conditions, during running, and when optimizing muscle activity...
June 23, 2017: Science
https://www.readbyqxmd.com/read/28639035/mitigation-of-pedestrian-heat-stress-using-parasols-in-a-humid-subtropical-region
#18
Shinichi Watanabe, Jin Ishii
Concerns over heat illness have been an increasing social problem in humid subtropical regions. One measure for avoiding excessive heat stress in hot outdoor environments is the use of parasols or umbrellas. The advantage of parasols is that they are a mobile and inexpensive way to provide personal shade outdoors. The objectives of this study were to compare the wet-bulb globe temperature (WBGT) under parasols and at an unshaded point as a reference, and to quantify the reduction in WBGT from the use of parasols in a humid subtropical region...
June 21, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28638690/an-unusual-case-of-diffuse-pigmented-villonodular-synovitis-of-the-shoulder-a-multidisciplinary-approach-with-arthroscopic-synovectomy-and-adjuvant-radiotherapy
#19
Tânia Quinás Serra, João Morais, Zico Gonçalves, Francisco Agostinho, Gilberto Melo, Mónica Henriques
Pigmented villonodular synovitis (PVNS) is a rare proliferative disorder of the synovial membrane. This condition is usually monoarticular, can be locally destructive, and involves muscles, tendons, bursae, bones, and skin. The most commonly affected joints are the knee and hip, followed by the ankle and shoulder. Patients often present with pain, swelling, and joint effusion; however, the duration of symptoms varies. Total synovectomy is the preferred treatment for PVNS. Subtotal synovectomy is a factor of recurrence, and in diffuse PVNS, total excision is very difficult to achieve...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28633799/interposition-ankle-arthroplasty-using-acellular-dermal-matrix-a%C3%A2-small-series
#20
Brian Carpenter, Kyle Duncan, Jordan Ernst, Dalton Ryba, Sumihiro Suzuki
Although ankle arthrodesis is the reference standard for end-stage ankle arthritis, loss of mobility and adjacent joint arthritis are consequences that alternatives to arthrodesis attempt to avoid. The purpose of the present study was to report the clinical results of interpositional arthroplasty using acellular dermal matrix in 4 patients (age 32 to 42 years) for the treatment of advanced ankle osteoarthritis. The primary findings included relief of pain, with improvement in tibiotalar joint range of motion from a mean of 16...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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