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Quadriceps strength

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https://www.readbyqxmd.com/read/28545172/femoral-nerve-block-versus-adductor-canal-block-for-analgesia-after-total-knee-arthroplasty
#1
REVIEW
In Jun Koh, Young Jun Choi, Man Soo Kim, Hyun Jung Koh, Min Sung Kang, Yong In
Inadequate pain management after total knee arthroplasty (TKA) impedes recovery, increases the risk of postoperative complications, and results in patient dissatisfaction. Although the preemptive use of multimodal measures is currently considered the principle of pain management after TKA, no gold standard pain management protocol has been established. Peripheral nerve blocks have been used as part of a contemporary multimodal approach to pain control after TKA. Femoral nerve block (FNB) has excellent postoperative analgesia and is now a commonly used analgesic modality for TKA pain control...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28543791/the-association-between-eccentric-hip-abduction-strength-and-hip-and-knee-angular-movements-in-recreational-male-runners-an-explorative-study
#2
René B K Brund, Sten Rasmussen, Rasmus O Nielsen, Uwe G Kersting, Uffe Laessoe, Michael Voigt
Weak hip abductors may be related with increased hip adduction and knee abduction angular movement, which may be risk factors of lower extremity injuries. Since the role of eccentric hip abduction strength (EHAS) on hip adduction angular movement and the knee abduction angular movement (KABD) remains unclear and the purpose of the present study was to explore the association between EHAS and hip- and knee angular movement. In 100 healthy male recreational runners, EHAS was quantified using an isokinetic dynamometer, while hip- and knee angular movement were collected using pressure sensitive treadmill and Codamotion active marker system...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28538311/intrasession-and-intersession-reliability-of-quadriceps-and-hamstrings-electromyography-during-a-standardized-hurdle-jump-test-with-single-leg-landing
#3
Mark T Cavanaugh, Saied Jalal Aboodarda, David G Behm
Cavanaugh, MT, Aboodarda, SJ, and Behm, DG. Intrasession and intersession reliability of quadriceps' and hamstrings' electromyography during a standardized hurdle jump test with single leg landing. J Strength Cond Res 31(6): 1601-1609, 2017-The objective of this study was to develop a standardized test to determine quadriceps and hamstrings muscle activation in a position emulating a noncontact anterior cruciate ligament injury. We assessed the intrasession and intersession reliability of surface electromyography (EMG) of the dominant leg after single-leg landing from a standardized hurdle jump...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28533623/short-physical-performance-battery-for-middle-aged-and-older-adult-cardiovascular-disease-patients-implication-for-strength-tests-and-lower-extremity-morphological-evaluation
#4
Tomohiro Yasuda, Kazuya Fukumura, Toshiaki Nakajima
[Purpose] To examine if the SPPB is higher with healthy subjects than outpatients, which was higher than inpatients and if the SPPB can be validated assessment tool for strength tests and lower extremity morphological evaluation in cardiovascular disease patients. [Subjects and Methods] Twenty-four middle aged and older adults with cardiovascular disease were recruited from inpatient and outpatient facilities and assigned to separate experimental groups. Twelve age-matched healthy volunteers were assigned to a control group...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533620/benefits-of-using-transcranial-magnetic-stimulation-as-a-tool-to-facilitate-the-chronic-knee-injury-rehabilitation
#5
Jae-Moo Lee, Ji-Hang Lee
[Purpose] While primary motor cortex activation has been implicated as a key factor in the arthrogenic muscle inhibition after knee joint injury, no viable rehabilitation protocol has been developed to accommodate this factor. In this study, transcranial magnetic stimulation was applied as a means of dissipating arthrogenic muscle inhibition by introducing temporary motor cortex excitation prior to the rehabilitation. [Subjects and Methods] Twenty-four subjects who have underwent the surgery due to knee injury were recruited, and randomly assigned to the control or the simulation groups...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28513275/relationship-between-lower-extremity-strength-and-subjective-function-in-individuals-with-patellofemoral-pain
#6
Neal R Glaviano, Susan Saliba
OBJECTIVE: Evaluate the relationship between subjective knee function and lower extremity strength in individuals with patellofemoral pain(PFP). DESIGN: Cohort. SETTING: Laboratory. PARTICIPANTS: Participants were 30 individuals with PFP (20 females, 10 males; 76.02±17.88kg, 173.04±7.58cm, 24.9±7years). MAIN OUTCOME MEASURES: Subjects completed the Activities of Daily Living Scale(ADLS) and had lower extremity hip and knee isometric strength assessed...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28511105/quadriceps-rate-of-torque-development-and-disability-in-individuals-with-anterior-cruciate-ligament-reconstruction
#7
Hope C Davis, J Troy Blackburn, Eric D Ryan, Brittney A Luc-Harkey, Matthew S Harkey, Darin A Padua, Brian Pietrosimone
BACKGROUND: The purpose of this study was to determine associations between self-reported function (International Knee Documentation Committee Index), isometric quadriceps strength and rate of torque development in individuals with a unilateral anterior cruciate ligament reconstruction. METHODS: Forty-one individuals [31% male, BMI mean 25 (SD 4) kg/m(2), months post anterior cruciate ligament reconstruction mean 49 (SD 40)] completed the self-reported function and isometric quadriceps function testing...
April 28, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28500081/quadriceps-strengthening-with-and-without-blood-flow-restriction-in-the-treatment-of-patellofemoral-pain-a-double-blind-randomised-trial
#8
Lachlan Giles, Kate E Webster, Jodie McClelland, Jill L Cook
BACKGROUND: Quadriceps strengthening exercises are part of the treatment of patellofemoral pain (PFP), but the heavy resistance exercises may aggravate knee pain. Blood flow restriction (BFR) training may provide a low-load quadriceps strengthening method to treat PFP. METHODS: Seventy-nine participants were randomly allocated to a standardised quadriceps strengthening (standard) or low-load BFR. Both groups performed 8 weeks of leg press and leg extension, the standard group at 70% of 1 repetition maximum (1RM) and the BFR group at 30% of 1RM...
May 12, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28493390/discrimination-of-a-nerve-fiber-that-is-the-origin-of-a-cauda-equina-tumor-using-acetylcholinesterase-staining
#9
Naosuke Kamei, Nobuhiro Tanaka, Koji Arihiro, Kazuyoshi Nakanishi, Shinji Kotaka, Nobuo Adachi, Mitsuo Ochi
Spinal nerve sheath tumors are well known to typically originate from dorsal sensory nerve roots. However, it is difficult to anatomically identify the origin in the case of cauda equina tumors. In this study, we aimed to ascertain whether a cauda equina nerve root removed with a nerve sheath tumor was a motor nerve using acetylcholinesterase (AchE) staining. Nerve rootlet sections removed with tumors were stained for AchE using the AchE Rapid Staining Kit. Additionally, we performed intraoperative motor-evoked potential (MEP) monitoring following either transcranial electrical stimulation (TES) or electrical stimulation of nerve rootlets...
May 11, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28489629/modulation-of-isometric-quadriceps-strength-in-soccer-players-with-transcranial-direct-current-stimulation-a-crossover-study
#10
Valentine Z Vargas, Abrahão F Baptista, Guilherme O C Pereira, Alberto C Pochini, Benno Ejnisman, Marcelo B Santos, Silvia M A João, Fuad A Hazime
The aim of this study was to evaluate the effect of transcranial direct current stimulation (tDCS) on the maximum isometric muscle contraction (MVIC) of the knee extensors in soccer players at the pre-professional level. Twenty female soccer players aged 15 to 17 years (mean = 16.1; SD = 0.9) with 5.2 ± 2.6 years of training were randomly divided into two groups to receive either active or sham tDCS in a single session (2 mA; 0.057mA/cm). The MVIC of the knee extensors was evaluated in both lower limbs by manual dynamometry in five sets of contractions divided into four blocks: (0) pre-stimulation, (1) during tDCS, (2) 30 minutes post-tDCS, and (3) 60 minutes post-tDCS...
May 9, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28482746/neuromuscular-electrical-stimulation-combined-with-protein-ingestion-preserves-thigh-muscle-mass-but-not-muscle-function-in-healthy-older-adults-during-5-days-of-bed-rest
#11
Paul Reidy, Alec McKenzie, Preston Brunker, Daniel Nelson, Katherine Barrows, Mark Supiano, Paul LaStayo, Micah Drummond
Short-term bed rest in older adults is characterized by significant loss in leg lean mass and strength posing significant health consequences. The purpose of this study was to determine in healthy older adults if the daily combination of neuromuscular electrical stimulation and protein supplementation (NMES+PRO) would protect muscle mass and function after 5-days of bed rest. Twenty healthy older adults (~70y) were subjected to 5-days of continuous bed rest and were randomized into one of two groups: NMES+PRO (n=10) or CON (n=10)...
May 8, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28482146/skeletal-muscle-fat-and-its-association-with-physical-function-in-rheumatoid-arthritis
#12
Samannaaz S Khoja, Charity G Moore, Bret H Goodpaster, Anthony Delitto, Sara R Piva
OBJECTIVE: To characterize skeletal muscle fat (SMF), intermuscular adipose tissue (IMAT) and subcutaneous adipose tissue (SAT) in individuals with rheumatoid arthritis (RA), and assess the associations between these fat depots and physical function and physical activity. METHODS: Cross-sectional analysis from an RA cohort. SMF, IMAT and SAT were measured using computed tomography imaging of the mid-thigh cross-sectional region. Physical function was measured with the Health Assessment Questionnaire (HAQ) and a battery of performance-based tests that included quadriceps muscle strength, gait speed, repeated chair-stands, stair ascend, and single leg-stance...
May 8, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28476110/restriction-in-lateral-bending-range-of-motion-lumbar-lordosis-and-hamstring-flexibility-predicts-the-development-of-low-back-pain-a-systematic-review-of-prospective-cohort-studies
#13
Sean G Sadler, Martin J Spink, Alan Ho, Xanne Janse De Jonge, Vivienne H Chuter
BACKGROUND: Low back pain (LBP) is an increasingly common condition worldwide with significant costs associated with its management. Identification of musculoskeletal risk factors that can be treated clinically before the development of LBP could reduce costs and improve the quality of life of individuals. Therefore the aim was to systematically review prospective cohort studies investigating lower back and / or lower limb musculoskeletal risk factors in the development of LBP. METHODS: MEDLINE, EMBASE, AMED, CINAHL, SPORTDiscus, and the Cochrane Library were searched from inception to February 2016...
May 5, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28467737/effect-of-a-randomised-12-week-resistance-training-programme-on-muscular-strength-cross-sectional-area-and-muscle-quality-in-women-having-undergone-roux-en-y-gastric-bypass
#14
Paul Daniels, Ryan D Burns, Timothy A Brusseau, Morgan S Hall, Lance Davidson, Ted D Adams, Patricia Eisenman
The purpose of this study was to examine the effect of a 12-week resistance training programme on fat-free mass (FFM), muscle cross-sectional area, muscular strength and muscle quality in women who underwent Roux-en-Y gastric bypass surgery. Participants were 16 women (mean age = 44.9 ± 10.2 years) from bariatric surgical groups who were randomly assigned into either a control or an intervention group. Air displacement plethysmography measured FFM and magnetic resonance imaging measured quadriceps muscle cross-sectional area and whole thigh muscle cross-sectional area...
May 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28459795/four-weeks-of-nordic-hamstring-exercise-reduce-muscle-injury-risk-factors-in-young-adults
#15
João Breno de A R Alvares, Vanessa Bernardes Marques, Marco Aurélio Vaz, Bruno Manfredini Baroni
The Nordic hamstring exercise (NHE) is a field-based exercise designed for knee-flexor eccentric strengthening, aimed at muscle strains prevention. However, possible effects of NHE programmes on other hamstring injury risk factors remain unclear. The purpose of this study was to investigate the effects of a NHE training programme on multiple hamstring injury risk factors. Twenty physically active young adults were allocated into two equal sized groups: control group (CG) and training group (TG). The TG was engaged in a 4-week NHE programme, twice a week, 3 sets of 6-10 repetitions; while CG received no exercise intervention...
April 26, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28455629/validation-of-an-active-shape-model-based-semi-automated-segmentation-algorithm-for-the-analysis-of-thigh-muscle-and-adipose-tissue-cross-sectional-areas
#16
Jana Kemnitz, Felix Eckstein, Adam G Culvenor, Anja Ruhdorfer, Torben Dannhauer, Susanne Ring-Dimitriou, Alexandra M Sänger, Wolfgang Wirth
OBJECTIVE: To validate a semi-automated method for thigh muscle and adipose tissue cross-sectional area (CSA) segmentation from MRI. MATERIALS AND METHODS: An active shape model (ASM) was trained using 113 MRI CSAs from the Osteoarthritis Initiative (OAI) and combined with an active contour model and thresholding-based post-processing steps. This method was applied to 20 other MRIs from the OAI and to baseline and follow-up MRIs from a 12-week lower-limb strengthening or endurance training intervention (n = 35 females)...
April 28, 2017: Magma
https://www.readbyqxmd.com/read/28447140/quadriceps-muscle-weakness-is-related-to-increased-risk-of-radiographic-knee-oa-but-not-its-progression-in-both-women-and-men-the-matsudai-knee-osteoarthritis-survey
#17
Shigeru Takagi, Go Omori, Hiroshi Koga, Kazuo Endo, Yoshio Koga, Atsushi Nawata, Naoto Endo
PURPOSE: The purpose of this study was to investigate the causal relationship between quadriceps muscle strength and radiographic knee osteoarthritis (OA) in a longitudinal study. METHODS: The present study included 976 knees from 488 subjects who participated in both the 5th (2007) and 7th (2013) surveys of the Matsudai Knee Osteoarthritis Survey. Bilateral quadriceps strengths of each subject were measured using the quadriceps training machine (QTM-05F, Alcare Co...
April 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28445875/double-incision-approach-and-early-rehabilitation-in-a-complicated-bicondylar-br-tibial-plateau-fracture-a-case-report-br-br
#18
Saverio Affatato, Maurizio Montalti, Claudio Masetti, Federico Giardina, Alessandra Sudanese
OBJECTIVE: The main goal of this case was to report the treatment of bicondylar fractures of the tibial plateau and the restoration of the metaphyseo-diaphyseal dissociation. CLINICAL PRESENTATION AND INTERVENTION: A 54-year old man who was cycling had a road accident that caused a closed fracture of the right tibial plateau and proximal fibula diagnosed by x-rays. Patient had surgical procedure and was immobilized with a long-leg splint for 4 weeks. After immobilization, aggressive rehabilitation was done...
April 26, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28444456/free-leucine-supplementation-during-an-8-week-resistance-training-program-does-not-increase-muscle-mass-and-strength-in-untrained-young-adult-subjects
#19
Andreo Fernando Aguiar, Alan Pablo Grala, Rubens Alexandre da Silva, Lúcio Flávio Soares-Caldeira, Francis Lopes Pacagnelli, Alex Silva Ribeiro, Douglas Kratki da Silva, Walquíria Batista de Andrade, Mario Carlos Welin Balvedi
The purpose of this study was to examine the effects of free leucine supplementation on changes in skeletal muscle mass and strength during a resistance training (RT) program in previously untrained, young subjects. In a double-blind, randomized, placebo-controlled study, 20 healthy young (22 ± 2 years) participants were assigned to two groups: a placebo-supplement group (PLA, N = 10) or a leucine-supplement group (LEU, N = 10). Both groups underwent an 8-week hypertrophic RT program (2 days/week), consuming an equivalent amount of leucine (3...
April 25, 2017: Amino Acids
https://www.readbyqxmd.com/read/28432901/neuromuscular-rate-of-force-development-deficit-in-parkinson-disease
#20
Kelley G Hammond, Ronald F Pfeiffer, Mark S LeDoux, Brian K Schilling
BACKGROUND: Bradykinesia and reduced neuromuscular force exist in Parkinson disease. The interpolated twitch technique has been used to evaluate central versus peripheral manifestations of neuromuscular strength in healthy, aging, and athletic populations, as well as moderate to advanced Parkinson disease, but this method has not been used in mild Parkinson disease. This study aimed to evaluate quadriceps femoris rate of force development and quantify potential central and peripheral activation deficits in individuals with Parkinson disease...
June 2017: Clinical Biomechanics
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