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Quadriceps strength

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https://www.readbyqxmd.com/read/29140959/comparison-of-continuous-proximal-versus-distal-adductor-canal-blocks-for-total-knee-arthroplasty-a-randomized-double-blind-noninferiority-trial
#1
Adam W Meier, David B Auyong, Stanley C Yuan, Shin-E Lin, James M Flaherty, Neil A Hanson
BACKGROUND AND OBJECTIVES: Adductor canal blocks (ACBs) are associated with improved analgesia, preserved quadriceps strength, and decreased length of hospitalization after total knee arthroplasty (TKA). However, controversy remains regarding the ideal location of a continuous block within the adductor canal, and it remains unclear whether similar clinical benefits are obtained irrespective of block location. In this randomized, double-blind, noninferiority study, we hypothesized that a continuous proximal ACB provides postoperative analgesia that is no worse than a continuous distal ACB...
November 14, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29134470/the-effect-of-long-term-confinement-and-the-efficacy-of-exercise-countermeasures-on-muscle-strength-during-a-simulated-mission-to-mars-data-from-the-mars500-study
#2
Christopher J Gaffney, Elena Fomina, Dennis Babich, Vladimir Kitov, Konstantin Uskov, David A Green
BACKGROUND: Isolation and long duration spaceflight are associated with musculoskeletal deconditioning. Mars500 was a unique, high-fidelity analogue of the psychological challenges of a 520-day manned mission to Mars. We aimed to explore the effect of musculoskeletal deconditioning on three outcome measures: (1) if lower limb muscle strength was reduced during the 520-day isolation; (2) if type I or II muscle fibres were differentially affected; and (3) whether any 70-day exercise interventions prevented any isolation-induced loss of strength...
November 13, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29128508/relative-and-absolute-test-retest-reliabilities-of-biomechanical-risk-factors-for-knee-osteoarthritis-progression-benchmarks-for-meaningful-change
#3
Nicholas M Brisson, Paul W Stratford, Monica R Maly
OBJECTIVE: Biomechanical factors are important treatment targets in knee osteoarthritis. The knee adduction (KAM) and flexion (KFM) moments, quadriceps strength and power, load frequency, and body mass index (BMI) all have the potential to affect knee articular cartilage integrity by modulating forces across the joint. To identify clinically meaningful change, however, these measurements must be reliable and sensitive to change. This study estimated relative and absolute test-retest reliabilities over long periods of biomechanical risk factors for knee osteoarthritis progression...
November 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29127543/self-efficacy-pain-and-quadriceps-capacity-at-baseline-predict-changes-in-mobility-performance-over-2%C3%A2-years-in-women-with-knee-osteoarthritis
#4
Nicholas M Brisson, Anthony A Gatti, Paul W Stratford, Monica R Maly
This study examined the extent to which baseline measures of quadriceps strength, quadriceps power, knee pain and self-efficacy for functional tasks, and their interactions, predicted 2-year changes in mobility performance (walking, stair ascent, stair descent) in women with knee osteoarthritis. We hypothesized that lesser strength, power and self-efficacy, and higher pain at baseline would each be independently associated with reduced mobility over 2 years, and each of pain and self-efficacy would interact with strength and power in predicting 2-year change in stair-climbing performance...
November 10, 2017: Clinical Rheumatology
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
#5
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/29121696/quadriceps-and-hamstring-muscle-strength-improves-after-unicompartmental-knee-arthroplasty
#6
Jennifer Kurowicki, Anton Khlopas, Nipun Sodhi, Jared M Newman, Assem A Sultan, Morad Chughtai, Anil Bhave, Martin Roche, Peter M Bonutti, Michael A Mont
INTRODUCTION: The ability to reach functional capacity following knee arthroplasty depends on the strength of the quadriceps and hamstring muscles. Following total knee arthroplasty, weakness of these muscles can persist for up to one year postoperatively; however, this phenomenon is not well-studied in unicompartmental knee arthroplasty (UKA) patients. Therefore, we assessed: 1) quadriceps muscle strength; 2) hamstring muscle strength; and 3) correlation to functional outcomes. MATERIALS AND METHODS: A review of all patients with medial compartment osteoarthritis treated with UKA at a minimum of one-year follow-up was performed...
November 9, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29119294/predictors-of-improvements-in-exercise-capacity-during-cardiac-rehabilitation-in-the-recovery-phase-after-coronary-artery-bypass-graft-surgery-versus-acute-myocardial-infarction
#7
Yuji Suzuki, Kenichi Ito, Kazuya Yamamoto, Noriyuki Fukui, Hidetoshi Yanagi, Kazufumi Kitagaki, Harumi Konishi, Tetsuo Arakawa, Michio Nakanishi, Yoichi Goto
This study aimed to elucidate the predictors of improvements in exercise capacity during cardiac rehabilitation (CR) in the recovery phase after coronary artery bypass graft surgery (CABG) versus acute myocardial infarction (AMI). We studied 152 patients (91 after AMI and 61 after CABG) who participated in a 3-month CR program. All patients underwent a cardiopulmonary exercise test, blood tests, maximal quadriceps isometric strength (QIS) measurement, and bioelectrical impedance body composition measurement at the beginning and end of the 3-month CR program...
November 8, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29117428/change-in-knee-flexor-torque-after-fatiguing-exercise-identifies-previous-hamstring-injury-in-football-players
#8
Cameron Lord, Fadi Ma'ayah, Anthony J Blazevich
PURPOSE: Muscular fatigue and inter-limb strength asymmetry are factors known to influence hamstring injury risk, however limb-specific exacerbation of knee flexor (hamstrings) torque production after fatiguing exercise has previously been ignored. To investigate changes in muscular force production before and after sport-specific (repeated-sprint) and non-specific (knee extension-flexion) fatiguing exercise, and explore the sensitivity and specificity of isokinetic endurance (i.e. muscle-specific) and single-leg vertical jump (i...
November 8, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29114563/risk-factors-for-lower-extremity-overuse-injuries-in-female-youth-soccer-players
#9
John W O'Kane, Moni Neradilek, Nayak Polissar, Lori Sabado, Allan Tencer, Melissa A Schiff
Background: Youth soccer injuries are common and of increasing concern, with sport specialization occurring at younger ages. Limited research is available regarding overuse injuries and risk factors in young female athletes. Purpose: To identify the number and rate of overuse injuries in female soccer players (ages 12-15 years), describe the anatomic location and type of injury, and evaluate contributing risk factors. Study Design: Case-control study; Level of evidence, 3...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29113570/a-novel-downhill-gait-training-program-following-a-total-knee-arthroplasty-a-case-report-highlighting-the-impacts-of-self-selected-speed-on-gait-symmetry
#10
Cody Blue, Sara Coomes, Yuri Yoshida
Study Design Case report. Background Walking plays an essential role in activities of daily living that lead to varied health benefits. Studies report gait speed and symmetry are impacted in individuals following TKA. Unfortunately, abnormal gait patterns persistently exist in individuals after TKA. Downhill walking may provide a simple and feasible exercise regimen to improve gait patterns. The purpose of this case report is to describe the application of a downhill treadmill training program and the subsequent changes in gait patterns in an individual following a unilateral TKA...
November 7, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29105774/motor-and-sensory-morbidity-associated-with-the-anterolateral-thigh-perforator-free-flap
#11
Christopher W Noel, Peter S Vosler, Michael Hong, Mario Orsini, Fayzullo Sultanov, Zihang Lu, Gian-Marco Busato, Danny Enepekides, Kevin Higgins
OBJECTIVE: To quantify changes in motor function, sensation, and lower extremity quality of life following anterior lateral thigh free flap (ALT) resection. METHODS: This mixed methods study contained both a prospective cohort arm (n = 20) and retrospective cross-sectional arm (n = 20). In both arms, patients underwent formal motor and sensation testing of the ipsilateral and contralateral thigh by sphygmomanometry and monofilament testing. In the prospective arm, data was collected preoperatively and at the 6-month and 1-year follow-up visits...
November 6, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29089749/relationship-of-quadriceps-muscle-power-and-optimal-shortening-velocity-with-angiotensin-converting-enzyme-activity-in-older-women
#12
Joanna Kostka, Joanna Sikora, Tomasz Kostka
BACKGROUND: The goal of this study was to assess whether angiotensin-converting enzyme (ACE) activity is related to muscle function (strength, power and velocity), as well as to assess if ACE inhibitors (ACEIs) and other angiotensin system blocking medications (ASBMs) influence muscle performance in elderly women. SUBJECTS AND METHODS: Ninety-five community-dwelling elderly women took part in this study. Anthropometric data, blood ACE activity analysis, maximum power (Pmax) and optimal shortening velocity (υopt) of the knee extensor muscles, handgrip strength, physical activity (PA) and functional performance were measured...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29083355/neuromuscular-recovery-in-acl-reconstruction-with-bone-tendon-patellar-bone-and-semitendinosus-gracilis-autograft
#13
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/29077216/no-difference-between-mechanical-perturbation-training-with-compliant-surface-and-manual-perturbation-training-on-knee-functional-performance-after-acl-rupture
#14
Zakariya Nawasreh, David Logerstedt, Mathew Failla, Lynn Snyder-Mackler
Manual perturbation training improves dynamic knee stability and functional performance after anterior cruciate ligament rupture (ACL-rupture). However, it is limited to static standing position and does not allow time-specific perturbations at different phase of functional activities. The purpose of this study was to investigate whether administering mechanical perturbation training including compliant surface provides effects similar to manual perturbation training on knee functional measures after an acute ACL-rupture...
October 27, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29076959/effects-of-pre-competitive-preparation-period-on-the-isokinetic-muscular-characteristics-in-world-class-handball-players
#15
Olivier Maurelli, Pierre Louis Bernard, Romain Dubois, Said Ahmaidi, Jacques Prioux
The aim of this study was to describe the effects of eight weeks of pre-competitive period preparation (Pc2P) on the isokinetic muscular characteristics in world-class handball players. Nineteen male professional players (age: 26.6 ± 5.4 years) participated in the study. Two bilateral isokinetic tests of knee joint flexors (H; Hamstring) and extensors (Q; Quadriceps) were performed before and after Pc2P to determine the peak torque (PT), the mean power (MP) and the ratios (agonist/antagonist, dominant/non-dominant and combined)...
October 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29075200/neuromuscular-adaptations-to-multimodal-injury-prevention-programs-in-youth-sports-a-systematic-review-with-meta-analysis-of-randomized-controlled-trials
#16
Oliver Faude, Roland Rössler, Erich J Petushek, Ralf Roth, Lukas Zahner, Lars Donath
Objective: Neuromuscular injury prevention programs (IPP) can reduce injury rate by about 40% in youth sport. Multimodal IPP include, for instance, balance, strength, power, and agility exercises. Our systematic review and meta-analysis aimed to evaluate the effects of multimodal IPP on neuromuscular performance in youth sports. Methods: We conducted a systematic literature search including selected search terms related to youth sports, injury prevention, and neuromuscular performance. Inclusion criteria were: (i) the study was a (cluster-)randomized controlled trial (RCT), and (ii) investigated healthy participants, up to 20 years of age and involved in organized sport, (iii) an intervention arm performing a multimodal IPP was compared to a control arm following a common training regime, and (iv) neuromuscular performance parameters (e...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29064877/evidence-basis-for-regional-anesthesia-in-ambulatory-arthroscopic-knee-surgery-and-anterior-cruciate-ligament-reconstruction-part-ii-adductor-canal-nerve-block-a-systematic-review-and-meta-analysis
#17
Herman Sehmbi, Richard Brull, Ushma Jitendra Shah, Kariem El-Boghdadly, David Nguyen, Girish P Joshi, Faraj W Abdallah
BACKGROUND: Adductor canal block (ACB) has emerged as an effective analgesic regional technique for major knee surgeries in the last decade. Its motor-sparing properties make it particularly attractive for ambulatory knee surgery, but evidence supporting its use in ambulatory arthroscopic knee surgery is conflicting. This systematic review and meta-analysis evaluates the analgesic effects of ACB for ambulatory arthroscopic knee surgeries. METHODS: We conducted a comprehensive search of electronic databases for randomized controlled trials examining the analgesic effects of ACB compared to control or any other analgesic modality...
October 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29061169/the-effect-of-transcranial-direct-current-stimulation-tdcs-on-locomotion-and-balance-in-patients-with-chronic-stroke-study-protocol-for-a-randomised-controlled-trial
#18
M Geiger, A Supiot, R Zory, P Aegerter, D Pradon, N Roche
BACKGROUND: Following stroke, patients are often left with hemiparesis that reduces balance and gait capacity. A recent, non-invasive technique, transcranial direct current stimulation, can be used to modify cortical excitability when used in an anodal configuration. It also increases the excitability of spinal neuronal circuits involved in movement in healthy subjects. Many studies in patients with stroke have shown that this technique can improve motor, sensory and cognitive function...
October 23, 2017: Trials
https://www.readbyqxmd.com/read/29059108/neuromuscular-electrical-stimulation-superimposed-on-movement-early-after-acl-surgery
#19
Luciana Labanca, Jacopo Emanuele Rocchi, Luca Laudani, Rita Guitaldi, Alessandro Virgulti, Pier Paolo Mariani, Andrea Macaluso
PURPOSE: Quadriceps weakness and asymmetrical loading of lower limbs are two major issues following anterior cruciate ligament reconstruction (ACLR). The aim of this study was to evaluate the effectiveness of a 6-week training protocol involving neuromuscular electrical stimulations (NMES) of the quadriceps muscle superimposed on repeated sit-to-stand-to-sit exercises (STSTS), as an additional treatment to standard rehabilitation, from the 15th to the 60th day following ACLR. METHODS: Sixty-three ACLR patients were randomly allocated to one of the three treatment groups: NMES superimposed on STSTS (NMES+STSTS), STSTS only, or no additional treatment (NAT) to standard rehabilitation...
October 20, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29058269/muscle-strength-functional-endurance-and-health-related-quality-of-life-in-active-older-female-golfers
#20
Charlotte Buckley, Maria Stokes, Dinesh Samuel
BACKGROUND: Grip strength is a reliable predictor of whole body strength in older adults, but muscle characteristics of people with different activity levels have not been studied previously. The present study examined the relationship between grip strength (GS), quadriceps peak torque (QPT), functional endurance, and health-related quality of life (HRQoL) in older female golfers. METHODS: Twenty-nine healthy female golfers (mean age 69.1 years, SD 3.4) participated...
October 23, 2017: Aging Clinical and Experimental Research
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