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Hip Dynamometry

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https://www.readbyqxmd.com/read/27919481/effect-of-slow-release-fampridine-on-muscle-strength-rate-of-force-development-functional-capacity-and-cognitive-function-in-an-enriched-population-of-ms-patients-a-randomized-double-blind-placebo-controlled-study
#1
H B Jensen, J L Nielsen, M Ravnborg, U Dalgas, P Aagaard, E Stenager
DESIGN: This study was conducted as a randomized, double blind, placebo-controlled parallel group trial preceded by open label enrichment phase. OBJECTIVES: The objectives of this study were 1) to examine the effect of SR-Fampridine treatment on muscle strength in terms of maximal voluntary contraction (MVC) and rate of force development (RFD) of the lower extremities and 2) to replicate previously published data on the effect of slow release-Fampridine (SR-Fampridine) on the functional capacity of the lower limbs, the upper limb and cognitive function, in persons with multiple sclerosis (pwMS)...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27881628/normative-reference-values-for-strength-and-flexibility-of-1-000-children-and-adults
#2
Marnee J McKay, Jennifer N Baldwin, Paulo Ferreira, Milena Simic, Natalie Vanicek, Joshua Burns
OBJECTIVE: To establish reference values for isometric strength of 12 muscle groups and flexibility of 13 joint movements in 1,000 children and adults and investigate the influence of demographic and anthropometric factors. METHODS: A standardized reliable protocol of hand-held and fixed dynamometry for isometric strength of ankle, knee, hip, elbow, and shoulder musculature as well as goniometry for flexibility of the ankle, knee, hip, elbow, shoulder, and cervical spine was performed in an observational study investigating 1,000 healthy male and female participants aged 3-101 years...
November 23, 2016: Neurology
https://www.readbyqxmd.com/read/27741232/effect-of-gender-disease-duration-and-treatment-on-muscle-strength-in-myasthenia-gravis
#3
Gülsenay Citirak, Sanja Cejvanovic, Henning Andersen, John Vissing
INTRODUCTION: The aim of this observational, cross-sectional study was to quantify the potential presence of muscle weakness among patients with generalized myasthenia gravis (gMG). The influence of gender, treatment intensity and disease duration on muscle strength and disease progression was also assessed. METHODS: Muscle strength was tested in 8 muscle groups by manual muscle testing and by hand-held dynamometry in 107 patients with gMG and 89 healthy age- and gender-matched controls...
2016: PloS One
https://www.readbyqxmd.com/read/27647180/the-effect-of-low-back-pain-on-trunk-muscle-size-function-and-hip-strength-in-elite-football-soccer-players
#4
Julie A Hides, Tim Oostenbroek, Melinda M Franettovich Smith, M Dilani Mendis
Low back pain (LBP) is a common problem in football (soccer) players. The effect of LBP on the trunk and hip muscles in this group is unknown. The relationship between LBP and trunk muscle size and function in football players across the preseason was examined. A secondary aim was to assess hip muscle strength. Twenty-five elite soccer players participated in the study, with assessments conducted on 23 players at both the start and end of the preseason. LBP was assessed with questionnaires and ultrasound imaging was used to assess size and function of trunk muscles at the start and end of preseason...
December 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27500011/can-quantitative-muscle-strength-and-functional-motor-ability-differentiate-the-influence-of-age-and-corticosteroids-in-ambulatory-boys-with-duchenne-muscular-dystrophy
#5
Cathleen Buckon, Susan Sienko, Anita Bagley, Mitell Sison-Williamson, Eileen Fowler, Loretta Staudt, Kent Heberer, Craig M McDonald, Michael Sussman
BACKGROUND: In the absence of a curative treatment for Duchenne Muscular Dystrophy (DMD), corticosteroid therapy (prednisone, deflazacort) has been adopted as the standard of care, as it slows the progression of muscle weakness and enables longer retention of functional mobility. The ongoing development of novel pharmacological agents that target the genetic defect underlying DMD offer hope for a significant alteration in disease progression; however, substantiation of therapeutic efficacy has proved challenging...
2016: PLoS Currents
https://www.readbyqxmd.com/read/27476066/intrarater-reliability-of-hand-held-dynamometry-in-measuring-lower-extremity-isometric-strength-using-a-portable-stabilization-device
#6
Steven M Jackson, M Samuel Cheng, A Russell Smith, Morey J Kolber
Hand held dynamometry (HHD) is a more objective way to quantify muscle force production (MP) compared to traditional manual muscle testing. HHD reliability can be negatively impacted by both the strength of the tester and the subject particularly in the lower extremities due to larger muscle groups. The primary aim of this investigation was to assess intrarater reliability of HHD with use of a portable stabilization device for lower extremity MP in an athletic population. Isometric lower extremity strength was measured for bilateral lower extremities including hip abductors, external rotators, adductors, knee extensors, and ankle plantar flexors was measured in a sample of healthy recreational runners (8 male, 7 females, = 30 limbs) training for a marathon...
July 21, 2016: Manual Therapy
https://www.readbyqxmd.com/read/27473653/the-reliability-of-a-maximal-isometric-hip-strength-and-simultaneous-surface-emg-screening-protocol-in-elite-junior-rugby-league-athletes
#7
Paula C Charlton, Benjamin F Mentiplay, Alison Grimaldi, Yong-Hao Pua, Ross A Clark
OBJECTIVES: Firstly to describe the reliability of assessing maximal isometric strength of the hip abductor and adductor musculature using a hand held dynamometry (HHD) protocol with simultaneous wireless surface electromyographic (sEMG) evaluation of the gluteus medius (GM) and adductor longus (AL). Secondly, to describe the correlation between isometric strength recorded with the HHD protocol and a laboratory standard isokinetic device. DESIGN: Reliability and correlational study...
June 23, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27312845/benefits-of-24-versus-12%C3%A2-weeks-of-exercise-and-wellness-programming-for-women-undergoing-treatment-for-breast-cancer
#8
Heather J Leach, Jessica M Danyluk, Kathryn C Nishimura, S Nicole Culos-Reed
PURPOSE: Community exercise programs can help maintain or improve health in cancer survivors. However, the most effective and feasible duration of a community exercise program for breast cancer survivors who are undergoing treatment is not known. This pre-post-design study evaluated the effects of the "Breast cancer patients Engaging in Activity while Undergoing Treatment" (BEAUTY) program on physical and psychosocial outcomes after 12 and 24 weeks. METHODS: BEAUTY is an ongoing community exercise and wellness program for breast cancer patients who are undergoing, or within 3 months of completing chemotherapy and radiation...
November 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27126617/randomised-controlled-trial-to-evaluate-a-physiotherapy-led-functional-exercise-programme-after-total-hip-replacement
#9
B Monaghan, P Cunningham, P Harrington, W Hing, C Blake, D O' Dohertya, T Cusack
BACKGROUND: At present, there is an insufficient evidence base to evaluate the effectiveness of physiotherapy following total hip replacement (THR). This study evaluated the effectiveness of a physiotherapy-supervised functional exercise programme between 12 and 18 weeks following THR. These time-points coincide with increased functional demand in patients. DESIGN: Adequately powered assessor-blinded randomised controlled trial. SETTING: Patients were recruited at a pre-operative assessment clinic and randomised following surgery...
February 15, 2016: Physiotherapy
https://www.readbyqxmd.com/read/26673683/effect-of-restricted-hip-flexor-muscle-length-on-hip-extensor-muscle-activity-and-lower-extremity-biomechanics-in-college-aged-female-soccer-players
#10
Matthew Mills, Barnett Frank, Shiho Goto, Troy Blackburn, Samantha Cates, Michael Clark, Alain Aguilar, Nicole Fava, Darin Padua
BACKGROUND: Hip flexor tightness is theorized to alter antagonist muscle function through reciprocal inhibition and synergistic dominance mechanisms. Synergistic dominance may result in altered movement patterns and increased risk of lower extremity injury. HYPOTHESIS/PURPOSE: To compare hip extensor muscle activation, internal hip and knee extension moments during double-leg squatting, and gluteus maximus strength in those with and without clinically restricted hip flexor muscle length...
December 2015: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/26615792/lower-limb-strength-is-significantly-impaired-in-all-muscle-groups-in-ambulatory-people-with-chronic-stroke-a-cross-sectional-study
#11
Simone Dorsch, Louise Ada, Colleen Grace Canning
OBJECTIVE: To measure the strength of the major muscle groups of the affected and intact lower limbs in people with stroke compared with age-matched controls. DESIGN: Cross-sectional study. SETTING: University laboratory. PARTICIPANTS: Ambulatory stroke survivors (n=60; mean age, 69±11y), who had had a stroke between 1 and 6 years previously, and age-matched controls (n=35; mean age, 65±9y) (N=95). INTERVENTIONS: Not applicable...
April 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/26605427/isometric-muscle-strength-and-mobility-capacity-in-children-with-cerebral-palsy
#12
Annet J Dallmeijer, Eugene A Rameckers, Han Houdijk, Sonja de Groot, Vanessa A Scholtes, Jules G Becher
PURPOSE: To determine the relationship between isometric leg muscle strength and mobility capacity in children with cerebral palsy (CP) compared to typically developing (TD) peers. METHOD: Participants were 62 children with CP (6-13 years), able to walk with (n = 10) or without (n = 52) walking aids, and 47 TD children. Isometric muscle strength of five muscle groups of the leg was measured using hand-held dynamometry. Mobility capacity was assessed with the 1-min walk, the 10-m walk, sit-to-stand, lateral-step-up and timed-stair tests...
November 25, 2015: Disability and Rehabilitation
https://www.readbyqxmd.com/read/26509265/assessment-of-lower-limb-muscle-strength-and-power-using-hand-held-and-fixed-dynamometry-a-reliability-and-validity-study
#13
Benjamin F Mentiplay, Luke G Perraton, Kelly J Bower, Brooke Adair, Yong-Hao Pua, Gavin P Williams, Rebekah McGaw, Ross A Clark
INTRODUCTION: Hand-held dynamometry (HHD) has never previously been used to examine isometric muscle power. Rate of force development (RFD) is often used for muscle power assessment, however no consensus currently exists on the most appropriate method of calculation. The aim of this study was to examine the reliability of different algorithms for RFD calculation and to examine the intra-rater, inter-rater, and inter-device reliability of HHD as well as the concurrent validity of HHD for the assessment of isometric lower limb muscle strength and power...
2015: PloS One
https://www.readbyqxmd.com/read/26356050/profiling-isokinetic-strength-by-leg-preference-and-position-in-rugby-union-athletes
#14
Scott R Brown, Matt Brughelli, Lee A Bridgeman
CONTEXT: Muscle imbalances aid in the identification of athletes at risk for lower-extremity injury. Little is known regarding the influence that leg preference or playing position may have on lower-extremity muscle strength and asymmetry. PURPOSE: To investigate lower-extremity strength profiles in rugby union athletes and compare isokinetic knee- and hip-strength variables between legs and positions. METHODS: Thirty male academy rugby union athletes, separated into forwards (n = 15) and backs (n = 15), participated in this cross-sectional analysis...
May 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/26346877/the-horsens-aarhus-femoro-acetabular-impingement-hafai-cohort-outcome-of-arthroscopic-treatment-for-femoroacetabular-impingement-protocol-for-a-prospective-cohort-study
#15
Signe Kierkegaard, Bent Lund, Ulrik Dalgas, Henrik Sørensen, Kjeld Søballe, Inger Mechlenburg
INTRODUCTION: During the past decade, it has become increasingly more common to offer hip arthroscopic surgery when treating people with femoroacetabular impingement (FAI). Nevertheless, the latest reviews conclude that it still remains to be properly investigated how surgery affects the patients. Specifically, detailed information on the functional, muscular and mechanical impact of surgery in larger groups is lacking. Furthermore, the long-term outcome of the surgery is still to be investigated...
September 7, 2015: BMJ Open
https://www.readbyqxmd.com/read/26259911/increased-activation-amplitude-levels-of-gluteus-medius-in-women-during-isometric-and-dynamic-conditions-following-a-4-week-protocol-of-low-load-eccentric-exercises
#16
Alexandre Carvalho Barbosa, Rafaela Aparecida Nunes Carvalho, Douglas Novaes Bonifácio, Fábio Luiz Mendonça Martins, Michelle Cristina Sales Almeida Barbosa
BACKGROUND: The dysfunction of gluteus medius (GMed) has been implicated in other musculoskeletal disorders including low back pain and lower limb injuries. The purpose of this study was to use a protocol involving low-load eccentric exercises to observe the effects on the three subdivisions of GMed activation through surface electromyography (sEMG) and digital dynamometry. METHODS: Eleven female subjects having femoral instability participated in a 4-week protocol (three sessions per week/non-consecutive days)...
December 2016: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
https://www.readbyqxmd.com/read/26226209/single-leg-squat-performance-is-impaired-1-to-2-years-after-hip-arthroscopy
#17
Paula C Charlton, Adam L Bryant, Joanne L Kemp, Ross A Clark, Kay M Crossley, Natalie J Collins
OBJECTIVE: To evaluate single-leg squat performance 1-2 years after arthroscopy for intra-articular hip pathology compared with control subjects and the nonsurgical limb, and to investigate whether single-leg squat performance on the operated limb was associated with hip muscle strength. DESIGN: Cross-sectional study. SETTING: Private physiotherapy clinic and university laboratory. PARTICIPANTS: Thirty-four participants (17 women, 36...
April 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/25887407/the-fall-descriptions-and-health-characteristics-of-older-adults-with-hip-fracture-a-mixed-methods-study
#18
Breiffni Leavy, Liisa Byberg, Karl Michaëlsson, Håkan Melhus, Anna Cristina Åberg
BACKGROUND: In light of the multifactorial etiology of fall-related hip fracture, knowledge of fall circumstances may be especially valuable when placed in the context of the health of the person who falls. We aimed to investigate the circumstances surrounding fall-related hip fractures and to describe fall circumstances in relation to participants' health and functional characteristics. METHODS: The fall circumstances of 125 individuals (age ≥ 50 years) with hip fracture were investigated using semi-structured interviews...
2015: BMC Geriatrics
https://www.readbyqxmd.com/read/25790977/long-term-data-of-gait-characteristics-and-moment-knee-angle-relations-in-female-total-knee-arthroplasty-patients
#19
Boris Ullrich, Jens Stening, Thiemo Pelzer, Jana Raab
BACKGROUND: Despite the clinical success of total knee arthroplasty, impaired gait patterns and quadriceps and hamstring maximal voluntary force production might persist years post-surgery. Long-term data of gait patterns and quadriceps and hamstring maximal force production are rarely published with total knee arthroplasty patients. This work examined gait characteristics and the moment-knee angle relations of the knee extensors and flexors about 10 years post-total knee arthroplasty...
June 2015: Clinical Biomechanics
https://www.readbyqxmd.com/read/25395842/clinical-effectiveness-of-grip-strength-in-predicting-ambulation-of-elderly-inpatients
#20
M R Beseler, C Rubio, E Duarte, D Hervás, M C Guevara, M Giner-Pascual, E Viosca
BACKGROUND: Assessing the clinical effectiveness of measuring grip strength as a prognostic tool in recovering ambulation in bed-confined frail elderly patients. METHODS: A prospective study was carried out with 50 elderly inpatients (mean age: 81.6 years old). Manual muscle test was used for checking strength of hip flexor muscles, hip abductor muscles and knee extensor muscles. Grip strength was assessed by hydraulic dynamometer. Walking ability was assessed by functional ambulation categories and Functional Classification of Sagunto Hospital Ambulation...
2014: Clinical Interventions in Aging
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