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Knee cerebral palsy

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https://www.readbyqxmd.com/read/28813966/exergaming-with-a-pediatric-exoskeleton-facilitating-rehabilitation-and-research-in-children-with-cerebral-palsy
#1
Thomas C Bulea, Zachary F Lerner, Andrew J Gravunder, Diane L Damiano
Effective rehabilitation of children with cerebral palsy (CP) requires intensive task-specific exercise but many in this population lack the motor capabilities to complete the desired training tasks. Providing robotic assistance is a potential solution yet the effects of this assistance are unclear. We combined a novel exoskeleton and exercise video game (exergame) to create a new rehabilitation paradigm for children with CP. We incorporated high density electroencephalography (EEG) to assess cortical activity...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813868/relationship-between-assistive-torque-and-knee-biomechanics-during-exoskeleton-walking-in-individuals-with-crouch-gait
#2
Zachary F Lerner, Diane L Damiano, Thomas C Bulea
Crouch or "flexed knee" gait is a pathological gait pattern affecting many individuals with cerebral palsy. One proposed method to alleviate crouch is to provide robotic assistance to knee extension during walking. The purpose of this study was to evaluate how the magnitude of knee extensor torque affects knee kinematics, kinetics, and muscle activity. Motion capture, ground reaction force and electromyography data were collected while four participants with crouch gait from cerebral palsy walked with assistance from a novel robotic exoskeleton on an instrumented treadmill...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28806980/factors-influencing-outcomes-after-medial-hamstring-lengthening-with-semitendinosus-transfer-in-patients-with-cerebral-palsy
#3
Ki Hyuk Sung, Jaebong Lee, Chin Youb Chung, Kyoung Min Lee, Byung Chae Cho, Seung Jun Moon, Jaeyoung Kim, Moon Seok Park
BACKGROUND: Although several studies have investigated the outcomes after distal hamstring lengthening (DHL), no study has undertaken an approach that included all or most of the important factors that could influence the results. This study was performed to evaluate the outcomes after DHL and analyze the factors that influence the improvement and serial change in knee motion after surgery in patients with cerebral palsy (CP), using a linear mixed model (LMM). METHODS: The study included 314 ambulatory CP patients (594 limbs) with spsastic diplegia who were followed up after undergoing DHL as part of a single-event multilevel surgery and who underwent preoperative and postoperative 3-dimensional (3D) gait analyses...
August 14, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28806590/how-multi-segmental-patterns-deviate-in-spastic-diplegia-from-typical-developed
#4
Matteo Zago, Chiarella Sforza, Alessia Bona, Veronica Cimolin, Pier Francesco Costici, Claudia Condoluci, Manuela Galli
BACKGROUND: The relationship between gait features and coordination in children with Cerebral Palsy is not sufficiently analyzed yet. Principal Component Analysis can help in understanding motion patterns decomposing movement into its fundamental components (Principal Movements). This study aims at quantitatively characterizing the functional connections between multi-joint gait patterns in Cerebral Palsy. METHODS: 65 children with spastic diplegia aged 10.6 (SD 3...
August 8, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28735102/intra-operatively-measured-spastic-semimembranosus-forces-of-children-with-cerebral-palsy
#5
Can A Yucesoy, Yener Temelli, Filiz Ateş
The knee kept forcibly in a flexed position is typical in cerebral palsy. Using a benchmark, we investigate intra-operatively if peak spastic hamstring force is measured in flexed knee positions. This tests the assumed shift of optimal length due to adaptation of spastic muscle and a decreasing force trend towards extension. Previously we measured spastic gracilis (GRA) and semitendinosus (ST) forces. Presently, we studied spastic semimembranosus (SM) and tested the following hypotheses: spastic SM forces are (1) high in flexed and (2) low in extended positions...
July 12, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28734543/crouch-severity-is-a-poor-predictor-of-elevated-oxygen-consumption-in-cerebral-palsy
#6
Katherine M Steele, Benjamin R Shuman, Michael H Schwartz
Children with cerebral palsy (CP) expend more energy to walk compared to typically-developing peers. One of the most prevalent gait patterns among children with CP, crouch gait, is often singled out as especially exhausting. The dynamics of crouch gait increase external flexion moments and the demand on extensor muscles. This elevated demand is thought to dramatically increase energy expenditure. However, the impact of crouch severity on energy expenditure has not been investigated among children with CP. We evaluated oxygen consumption and gait kinematics for 573 children with bilateral CP...
July 26, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28729059/ultrasonographic-assessment-of-femoral-cartilage-thickness-in-patients-with-cerebral-palsy
#7
Emre Adiguzel, Fatih Tok, Emre Ata, Evren Yaşar, Bilge Yılmaz
BACKGROUND: Cerebral palsy (CP) is one of the most disabling syndromes in children. To our knowledge, there has not yet been any reported evaluation by ultrasonography of the effect of CP on distal femoral cartilage. The value of understanding this effect on cartilage is that sonographic evaluation of cartilage thickness may help physicians to predict the joint health of these children. OBJECTIVE: To determine whether femoral cartilage thickness in patients with CP is different from that in healthy control subjects...
July 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28728959/mechanisms-contributing-to-gait-speed-and-metabolic-cost-in-children-with-unilateral-cerebral-palsy
#8
Tatiana Pessoa Silva Pinto, Sérgio Teixeira Fonseca, Rejane Vale Gonçalves, Thales Rezende Souza, Daniela Virgínia Vaz, Paula Lanna Pereira Silva, Marisa Cotta Mancini
BACKGROUND: Gait speed and metabolic cost are indicators of functional capacity in children with cerebral palsy. Uncovering their mechanisms helps guide therapeutic actions. OBJECTIVES: To investigate the contributions of energy-generating and energy-conserving mechanisms to gait speed and metabolic cost of children with unilateral cerebral palsy. METHODS: Data on eccentric and concentric muscle work, co-contraction, elastic torque and vertical stiffness of the affected-limb, forcing torque of the non-affected limb, gait speed and metabolic cost were collected from 14 children with unilateral cerebral palsy, aged 6-12 years...
July 5, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28726270/equimolar-mixture-of-nitroux-oxyde-and-oxygen-during-post-operative-physiotherapy-in-patients-with-cerebral-palsy-a-randomized-double-blind-placebo-controlled-study
#9
A Delafontaine, A Presedo, D Mohamed, D Lopes, C Wood, C Alberti
BACKGROUND: The administration of an equimolar mixture of nitrous oxide and oxygen (N2O) is recommended during painful procedures. However, the evaluation of its use during physiotherapy after surgery has not been reported, although pain may hamper physiotherapy efficiency. This study investigated whether the use of N2O improves the efficacy of post-operative physiotherapy after multilevel surgery in patients with cerebral palsy. METHOD: It was a randomized 1:1, double-blind, placebo-controlled study...
July 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28723982/assessment-of-nutritional-status-of-children-and-adolescents-with-spastic-quadriplegic-cerebral-palsy
#10
Thaisa Barboza Caselli, Elizete Aparecida Lomazi, Maria Augusta Santos Montenegro, Maria Angela Bellomo-Brandão
BACKGROUND: Due to several factors, such as gastrointestinal's diseases and difficulty in feeding, children with Spastic Quadriplegic Cerebral Palsy tend to present nutritional deficits. OBJECTIVE: To assess the nutritional status of pediatric patients with Spastic Quadriplegic Cerebral Palsy according to reference curves for this population and with the measures of folds and circumferences, obtained by the upper arm circumference and triceps skin fold. METHODS: The data were obtained from: knee-height, estimated height, weight, upper arm circumference, and triceps skin fold...
July 6, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28713039/efficacy-of-ankle-foot-orthoses-types-on-walking-in-children-with-cerebral-palsy-a-systematic-review
#11
REVIEW
Atefeh Aboutorabi, Mokhtar Arazpour, Monireh Ahmadi Bani, Hassan Saeedi, John S Head
BACKGROUND: Ankle foot orthoses (AFOs) are orthotic devices that can be used to normalize the walking pattern of children with cerebral palsy (CP). One of the aims of orthotic management is to produce a more normal gait pattern by positioning joints in the proper position to reduce pathological reflex or spasticity. OBJECTIVE: To conduct a systematic review of the literature and establish the effect of treatment with various types of AFOs on gait patterns of children with CP...
July 13, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28704464/simulated-impacts-of-ankle-foot-orthoses-on-muscle-demand-and-recruitment-in-typically-developing-children-and-children-with-cerebral-palsy-and-crouch-gait
#12
Michael Rosenberg, Katherine M Steele
Passive ankle foot orthoses (AFOs) are often prescribed for children with cerebral palsy (CP) to assist locomotion, but predicting how specific device designs will impact energetic demand during gait remains challenging. Powered AFOs have been shown to reduce energy costs of walking in unimpaired adults more than passive AFOs, but have not been tested in children with CP. The goal of this study was to investigate the potential impact of powered and passive AFOs on muscle demand and recruitment in children with CP and crouch gait...
2017: PloS One
https://www.readbyqxmd.com/read/28698802/gait-analysis-in-children-with-cerebral-palsy
#13
Stéphane Armand, Geraldo Decoulon, Alice Bonnefoy-Mazure
Cerebral palsy (CP) children present complex and heterogeneous motor disorders that cause gait deviations.Clinical gait analysis (CGA) is needed to identify, understand and support the management of gait deviations in CP. CGA assesses a large amount of quantitative data concerning patients' gait characteristics, such as video, kinematics, kinetics, electromyography and plantar pressure data.Common gait deviations in CP can be grouped into the gait patterns of spastic hemiplegia (drop foot, equinus with different knee positions) and spastic diplegia (true equinus, jump, apparent equinus and crouch) to facilitate communication...
December 2016: EFORT open reviews
https://www.readbyqxmd.com/read/28693377/effect-of-floor-reaction-ankle-foot-orthosis-on-crouch-gait-in-patients-with-cerebral-palsy-what-can-be-expected
#14
Harald Böhm, Hösl Matthias, Frank Braatz, Leonhard Döderlein
BACKGROUND: Floor reaction ankle-foot orthoses are commonly prescribed to improve knee extension of children with cerebral palsy having crouch gait. Their effectiveness is debated. Therefore, the objective of this study is to optimize current prescription criteria for the improvement of crouch gait. STUDY DESIGN: Cross-sectional interventional study. METHODS: A total of 22 patients with bilateral spastic cerebral palsy, between 6 and 17 years, Gross Motor Function Classification System II-IV participated in this study...
July 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28691601/task-specific-and-functional-effects-of-speed-focused-elliptical-or-motor-assisted-cycle-training-in-children-with-bilateral-cerebral-palsy-randomized-clinical-trial
#15
Diane L Damiano, Christopher J Stanley, Laurie Ohlrich, Katharine E Alter
BACKGROUND: Locomotor training using treadmills or robotic devices is commonly utilized to improve gait in cerebral palsy (CP); however, effects are inconsistent and fail to exceed those of equally intense alternatives. Possible limitations of existing devices include fixed nonvariable rhythm and too much limb or body weight assistance. OBJECTIVE: To quantify and compare effectiveness of a motor-assisted cycle and a novel alternative, an elliptical, in CP to improve interlimb reciprocal coordination through intensive speed-focused leg training...
July 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28668738/correlation-of-the-torsion-values-measured-by-rotational-profile-kinematics-and-ct-study-in-cp-patients
#16
Ha Yong Kim, Yong Han Cha, Young Sub Chun, Hyuck Soo Shin
BACKGROUND: The purpose of study was to analyze correlations between bony torsions measured by Staheli's rotation profile, computed tomography (CT) torsional study, and gait analysis in patients with cerebral palsy (CP). MATERIALS & METHOD: The study group comprised of 26 children with CP (spastic diplegia, Gross Motor Function Classification System (GMFCS) 1-2, mean age 12.6 years) with torsional deformities. All subjects were assessed by examining: 1) rotational profile [internal rotation (IR) and external rotation (ER)], 2) CT torsional profile [femoral anteversion (FAV) and tibial torsion (TT)], and 3) gait analysis [mean hip rotation (HR) and mean knee rotation (KR)]...
June 22, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28651738/gross-motor-function-change-after-multilevel-soft-tissue-release-in-children-with-cerebral-palsy
#17
Chia-Hsieh Chang, Yu-Ying Chen, Kuo-Kuang Yeh, Chia-Ling Chen
BACKGROUND: Improving motor function is a major goal of therapy for children with cerebral palsy (CP). However, changes in motor function after orthopedic surgery for gait disorders are seldom discussed. This study aimed to evaluate the postoperative changes in gross motor function and to investigate the prognostic factors for such changes. METHODS: We prospectively studied 25 children with CP (4-12 years) who were gross motor function classification system (GMFCS) level II to IV and and underwent bilateral multilevel soft-tissue release for knee flexion gait...
June 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28649479/functional-outcomes-of-childhood-selective-dorsal-rhizotomy-20-to-28-years-later
#18
T S Park, Jenny L Liu, Caleb Edwards, Deanna M Walter, Matthew B Dobbs
BACKGROUND: Selective dorsal rhizotomy (SDR) is a surgical method used to treat childhood spastic cerebral palsy (CP). However, the effects of early SDR on functional outcomes and quality of life decades later in adulthood remains to be elucidated. OBJECTIVES: To evaluate the long-term outcomes in terms of satisfaction and mobility of adult patients who received childhood SDR. METHODS: Adult patients who received SDR in childhood were surveyed...
May 17, 2017: Curēus
https://www.readbyqxmd.com/read/28641160/effects-of-hip-joint-centre-mislocation-on-gait-kinematics-of-children-with-cerebral-palsy-calculated-using-patient-specific-direct-and-inverse-kinematic-models
#19
Hans Kainz, Christopher P Carty, Sheanna Maine, Henry P J Walsh, David G Lloyd, Luca Modenese
Joint kinematics can be calculated by Direct Kinematics (DK), which is used in most clinical gait laboratories, or Inverse Kinematics (IK), which is mainly used for musculoskeletal research. In both approaches, joint centre locations are required to compute joint angles. The hip joint centre (HJC) in DK models can be estimated using predictive or functional methods, while in IK models can be obtained by scaling generic models. The aim of the current study was to systematically investigate the impact of HJC location errors on lower limb joint kinematics of a clinical population using DK and IK approaches...
June 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28629941/does-patella-lowering-improve-crouch-gait-in-cerebral-palsy-comparative-retrospective-study
#20
E Desailly, C Thévenin-Lemoine, N Khouri
BACKGROUND: Patella lowering aims to improve quadriceps function as a means of correcting crouch gait in patients with cerebral palsy. Few studies have assessed the effects of patella lowering as a component of multilevel surgery. HYPOTHESIS: Including patella lowering into the components of multilevel surgery is beneficial in patients with crouch gait and patella alta. MATERIAL AND METHODS: In 12 lower limbs with patella alta (Caton-Deschamps index>1...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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