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https://www.readbyqxmd.com/read/29148138/artificial-walking-technologies-to-improve-gait-in-cerebral-palsy-multichannel-neuromuscular-stimulation
#1
Jessica Rose, Katelyn Cahill-Rowley, Erin E Butler
Cerebral palsy (CP) is the most common childhood motor disability and often results in debilitating walking abnormalities, such as flexed-knee and stiff-knee gait. Current medical and surgical treatments are only partially effective in improving gait abnormalities and may cause significant muscle weakness. However, emerging artificial walking technologies, such as step-initiated, multichannel neuromuscular electrical stimulation (NMES), can substantially improve gait patterns and promote muscle strength in children with spastic CP...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29145340/open-repair-of-intraoperative-popliteal-artery-injury-during-total-knee-arthroplasty-in-a-patient-with-severe-hemophilia-a-a-case-report-and-literature-review
#2
Bin Feng, Ke Xiao, Jiang Shao, Yu Fan, Xisheng Weng
RATIONALE: Arterial injuries during total knee arthroplasty (TKA) though rare may occur. Hemophilia may further challenge the management of such injury. PATIENT CONCERNS: A 48-year-old male patient with severe hemophilia type A and stiff knee arthropathy underwent bilateral TKAs. Left popliteal artery injury was detected at the end of the left TKA. DIAGNOSES: Urgent angiography confirmed the diagnosis of the left popliteal artery transection...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29139573/gait-patterns-symptoms-and-function-in-patients-with-isolated-tibiofemoral-osteoarthritis-and-combined-tibiofemoral-and-patellofemoral-osteoarthritis
#3
Harvi F Hart, Kay M Crossley, Michael A Hunt
The purpose of this study was to compare hip and knee biomechanics during walking in individuals with isolated TFOA, combined TFOA and PFOA, and those without knee OA, and to compare patient-reported symptoms and function in individuals with isolated TFOA and those with combined TFOA and PFOA. Participants with and without knee OA were assessed and categorized into (i) no OA, (ii) isolated TFOA, and (iii) combined TFOA and PFOA, based on Kellgren and Lawrence diagnostic criteria. Quantitative motion analyses were conducted during walking, and hip and knee kinematics and external moments were calculated...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29137624/compression-rate-dependent-nonlinear-mechanics-of-normal-and-impaired-porcine-knee-joints
#4
Marcel Leonardo Rodriguez, LePing Li
BACKGROUND: The knee joint performs mechanical functions with various loading and unloading processes. Past studies have focused on the kinematics and elastic response of the joint with less understanding of the rate-dependent load response associated with viscoelastic and poromechanical behaviors. METHODS: Forty-five fresh porcine knee joints were used in the present study to determine the loading-rate-dependent force-compression relationship, creep and relaxation of normal, dehydrated and meniscectomized joints...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29136538/the-impact-of-core-muscles-training-on-the-range-of-anterior-pelvic-tilt-in-subjects-with-increased-stiffness-of-the-hamstrings
#5
Michał Tomasz Kuszewski, Rafał Gnat, Anna Gogola
The aim of this study is to verify the hypotheses that muscular coordination training of the core region in subjects showing increased hamstring stiffness results in an increase in anterior pelvic tilt and that there is a correlation between hamstring stiffness and anterior pelvic tilt. The two-group, non-blinded experimental controlled trial with three repeated measurements of the dependent variables. The experimental group received muscular coordination training during a period of two weeks, control group - no training...
November 11, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29136015/the-influences-of-walking-running-and-stair-activity-on-knee-articular-cartilage-quantitative-mri-using-t1-rho-and-t2-mapping
#6
Meng Chen, Lin Qiu, Si Shen, Fei Wang, Jing Zhang, Cici Zhang, Sirun Liu
OBJECTIVE: To explore the different influences of walking, running and stair activity on knee articular cartilage with T1 rho and T2 mapping sequences. MATERIALS AND METHODS: MRI (3.0-T) scans of the right knee were performed in twenty-three young healthy adults immediately after 30 minutes of rest, walking, running and stair activity respectively. Articular cartilage was quantitatively assessed based on T1 rho and T2 relaxation times. Analysis of variance for random block design data, bonferroni test and paired samples t tests were performed to estimate the different influences of physiological activities on articular cartilage...
2017: PloS One
https://www.readbyqxmd.com/read/29125899/demographic-and-clinical-factors-associated-with-non-surgical-osteoarthritis-treatment-use-among-patients-in-outpatient-clinics
#7
Lauren M Abbate, Amy S Jeffreys, Cynthia J Coffman, Todd A Schwartz, Liubov Arbeeva, Leigh F Callahan, Nicole A Negbenebor, Wendy M Kohrt, Robert S Schwartz, Ernest Vina, Kelli D Allen
OBJECTIVE: To identify patient demographic and clinical characteristics associated with osteoarthritis (OA) treatment use. METHODS: This was a secondary data analysis of three clinical trials among patients with hip or knee OA conducted in 1) Duke Primary Care practices, 2) the Durham Veterans Affairs Health Care System (DVAHCS), and 3) the University of North Carolina-Chapel Hill (UNC). At baseline, participants reported socio-demographic characteristics, OA-related pain and function, and OA treatment use including oral analgesia, topical creams, joint injections and physical therapy...
November 10, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29125384/is-it-necessary-to-perform-prehabilitation-exercise-for-patients-undergoing-total-knee-arthroplasty-meta-analysis-of-randomized-controlled-trials
#8
Huifen Chen, Suyun Li, Tingyu Ruan, Li Liu, Li Fang
OBJECTIVES: This study was designed to test whether it is necessary to perform prehabilitation exercise for patients undergoing total knee arthroplasty (TKA). METHODS: Literatures were identified from Pubmed, Clinicaltrials, Cochrane library, and SpringerLink. All studies that compared a prehabilitation exercise group with control group before TKA were included. The primary outcome was length of hospital stay. Secondary outcomes were quadriceps strength and functional ability in short term (1...
November 10, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29109757/evaluation-of-the-efficacy-of-ajuga-decumbens-extract-supplement-in-individuals-with-knee-discomfort-associated-with-physical-activity-a-randomized-double-blind-placebo-controlled-study
#9
Yoko Sawada, Atsushi Sugimoto, Takehito Hananouchi, Norimasa Sato, Isao Nagaoka
The aim of the present study was to assess the efficacy and safety of the oral administration of Ajuga decumbens extract (ADE) supplement to individuals with knee discomfort associated with physical activity. A randomized, double-blind, placebo-controlled study was conducted using 48 subjects. The subjects were randomly allocated to an ADE diet group (oral administration of ADE-containing diet, n=24) or a placebo group (n=24), and the intervention was conducted for 12 weeks. A total of 22 subjects in the placebo group and 22 subjects in the ADE diet group were assessed to be eligible for assessment of the efficacy of supplement...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29108116/arthritis-in-melorheostosis-an-uncommon-feature-in-a-rare-disease
#10
Enrico Selvi, Marco Bardelli, Giacomo Maria Guidelli
A 53-year-old male developed left knee and left ankle arthritis associated with marked induration of the skin and soft tissues distal to the knees. The left knee was swollen, tender, and with a non-reducible contracture and similarly the left ankle and the subtalar joint were stiff and moderately swollen. In addition, diffuse, bluish, small vascular ectasia, hypertrichosis and skin pigmentation of the affected sites were evident (fig1). These symptoms began 20 years before and the patient had been diagnosed with eosinophilic fasciitis and treated with daily prednisone leading to partial improvement of the symptoms, but not of the knee deformity and soft tissue induration...
November 6, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29101777/percutaneous-electrical-nerve-stimulation-for-chronic-knee-pain-a-randomized-sham-controlled-trial
#11
Da-Peng He, Jun Zhang, Zheng-Fa Bai
Context • Anti-inflammatory drugs are often used to treat chronic knee pain (CKP), but their long-term use is associated with decreased effectiveness and numerous side effects. Complementary and alternative medicine provides additional treatments for the condition, including percutaneous electrical nerve stimulation (PENS). However, the benefits of PENS for treatment of CKP are still controversial. Objective • The study intended to assess the effects and safety of PENS for treatment of CKP. Methods • This study was a 2-arm, randomized, sham-controlled trial...
November 4, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29100825/comparison-of-minimally-invasive-arthrolysis-vs-conventional-arthrolysis-for-post-traumatic-knee-stiffness
#12
Wenzhao Xing, Lei Sun, Liang Sun, Changcheng Liu, Zhigang Kong, Jian Cui, Zhiguo Zhang
BACKGROUND: Minimally invasive surgery in knee arthroplasty can reduce postoperative pain and the rehabilitation period. The goal of this study was to explore the therapeutic effect of minimally invasive arthrolysis in post-traumatic knee stiffness. METHODS: From March 2002 to March 2016, a prospective investigation was performed on seventy post-traumatic knee stiffness patients treated with minimally invasive knee arthrolysis or conventional knee arthrolysis. Curative effect was evaluated according to Judet's criteria...
October 31, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29091152/study-of-the-relation-between-body-weight-and-functional-limitations-and-pain-in-patients-with-knee-osteoarthritis
#13
Fábio Marcon Alfieri, Natália Cristina de Oliveira Vargas E Silva, Linamara Rizzo Battistella
OBJECTIVE: To assess the influence of the body weight in functional capacity and pain of adult and elderly individuals with knee osteoarthritis. METHODS: The sample consisted of 107 adult and elderly patients with knee osteoarthritis divided into two groups (adequate weight/adiposity and excessive weight/adiposity) according to body mass index and percent of body fat mass, assessed by electric bioimpedance. Subjects were evaluated for functional mobility (Timed Up and Go Test), pain, stiffness and function (Western Ontario and MacMaster Universities Osteoarthritis Index - WOMAC), pain intensity (Visual Analogue Scale - VAS) and pressure pain tolerance threshold (algometry in vastus medialis and vastus lateralis muscles)...
July 2017: Einstein
https://www.readbyqxmd.com/read/29084097/differential-effects-of-different-warm-up-protocols-on-repeated-sprints-induced-muscle-damage
#14
Che-Hsiu Chen, Xin Ye, Yi-Tse Wang, Yung-Sheng Chen, Wei-Chin Tseng
The purpose of this investigation was to examine whether adding a set of hamstring resistance exercise or dynamic stretching to a regular running-based warm-up before a bout of repeated sprints provides protective effects against the sprinting-induced muscle damage. Twelve elite tennis players participated in this study. After the familiarization, subjects completed 3 separate randomly sequenced experimental visits, during which 3 different warm-up interventions were performed before the muscle-damaging protocol (12 sets of 30-m maximal repeated sprints): 5 minutes of running (control); control with single leg slide curl (SLC); and control with active hamstring stretching (AHS)...
October 27, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29083355/neuromuscular-recovery-in-acl-reconstruction-with-bone-tendon-patellar-bone-and-semitendinosus-gracilis-autograft
#15
Andrea Pasquini, Marco Jacopetti, Francesco Pogliacomi, Ileana Ramazzina, Cosimo Costantino
OBJECTIVE: Several different types of grafts have been used in ACL rupture. The purpose of the study was to compare the recovery of lower limbs muscle strength and proprioception in athletes, who underwent ACL reconstruction with Bone-Patellar-Tendon-Bone (BPTB) versus semitendinosus and gracilis (HS) autografts. METHODS: We enrolled 30 male amateur athletes. Each patient was evaluated by isokinetic test, triaxial accelerometer test and balance test with stabilometric platform...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29079167/failure-after-modern-total-knee-arthroplasty-a-prospective-study-of-18-065-knees
#16
Michael Pitta, Christina I Esposito, Zhichang Li, Yuo-Yu Lee, Timothy M Wright, Douglas E Padgett
BACKGROUND: We sought is to determine the mechanism of failure among primary total knee arthroplasties (TKAs) performed at a single high-volume institution by asking the following research questions: (1) What are the most common failure modes for modern TKA designs? and (2) What are the preoperative risk factors for failure following primary TKA? METHODS: From May 2007 to December 2012, 18,065 primary TKAs performed on 16,083 patients at a single institution were recorded in a prospective total joint arthroplasty registry with a minimum of 5-year follow-up...
September 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29078961/new-parameters-describing-how-knee-ligaments-carry-force-in-situ-predict-interspecimen-variations-in-laxity-during-simulated-clinical-exams
#17
Carl W Imhauser, Robert N Kent, James Boorman-Padgett, Ran Thein, Thomas L Wickiewicz, Andrew D Pearle
Knee laxity, defined as the net translation or rotation of the tibia relative to the femur in a given direction in response to an applied load, is highly variable from person to person. High levels of knee laxity as assessed during routine clinical exams are associated with first-time ligament injury and graft reinjury following reconstruction. During laxity exams, ligaments carry force to resist the applied load; however, relationships between intersubject variations in knee laxity and variations in how ligaments carry force as the knee moves through its passive envelope of motion, which we refer to as ligament engagement, are not well established...
October 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29076958/gluteus-maximus-and-hamstring-activation-during-selected-weight-bearing-resistance-exercises
#18
Kevin McCurdy, John Walker, Derrick Yuen
McCurdy, K, Walker, J, and Yuen, D. Gluteus maximus and hamstring activation during selected weight-bearing resistance exercises. J Strength Cond Res XX(X): 000-000, 2017-The purpose of this study was to compare the gluteus maximus (GM) and hamstring group (HG) electromyographic (EMG) activation levels among selected weight-bearing resistance exercises. Eighteen young adult females with previous resistance training experience completed the study. Strength was assessed on the bilateral squat (BS) (3 repetition maximum [RM]), modified single-leg squat (MSLS) (3RM), and stiff-leg deadlift (SLDL) (8RM) to determine an 8RM load for all lifts...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29072019/-clinical-studies-of-abdominal-acupuncture-combined-with-warm-needling-on-knee-osteoarthritis
#19
Qi-You Li, Jin Guo, Hua-Zhang Tian, Chun-Yan Zhang, Zhi-Xian Peng, Xing-Peng Huang
OBJECTIVE: To explore the clinical effects of abdominal acupuncture combined with warm needling on knee osteoarthritis (KOA). METHODS: Eighty-six patients with KOA were divided into a treatment group and a control group according to the digital random table, 43 cases in each one. In the treatment group, patients were treated with abdominal acupuncture at Zhongwan (CV 12), Guanyuan (CV 4) and Huaroumen (ST 24), Wailing (ST 26) and Xiafengshidian (Extra) on the affected side, as well as warm needling at Neixiyan (EX-LE 4), Dubi (ST 35), Heding (EX-LE 2), Liangqiu (ST 34) and Xuehai (SP 10) of the affected side...
August 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29071029/safety-and-effectiveness-of-low-level-laser-therapy-in-patients-with-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#20
REVIEW
Seyed Mansour Rayegani, Seyed Ahmad Raeissadat, Saeed Heidari, Mohammad Moradi-Joo
Introduction: Low-level laser therapy (LLLT) was introduced as an alternative non-invasive treatment for osteoarthritis, but its effectiveness is still controversial. The main objective of this article was to determine the safety and efficacy of LLLT in patients with knee osteoarthritis (KOA). Methods: In order to gather evidence, main medical databases as well as relevant websites were browsed without time limit. We searched with appropriate keywords and strategies. After quality assessment of studies, study data were extracted by two reviewers...
2017: Journal of Lasers in Medical Sciences
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