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Hand held dynamometry

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
Gavin Williams, Megan Banky, Dean McKenzie, John Olver
PRIMARY OBJECTIVES: The main aim of this study was to determine whether the presence of distal lower-limb spasticity had a greater impact on mobility for those who had greater levels of muscle paresis following traumatic brain injury (TBI). RESEARCH DESIGN: This was a cross-sectional cohort study of convenience. Seventy-five people attending physiotherapy for mobility limitations following TBI participated in this study. All participants had sustained a moderate-severe TBI and were grouped according to the presence or absence of ankle plantarflexor spasticity for comparison...
November 23, 2016: Brain Injury: [BI]
Helga Haberfehlner, Richard T Jaspers, Erich Rutz, Jules G Becher, Jaap Harlaar, Johannes A van der Sluijs, Melinda M Witbreuk, Jacqueline Romkes, Marie Freslier, Reinald Brunner, Huub Maas, Annemieke I Buizer
To increase knee range of motion and improve gait in children with spastic paresis (SP), the semitendinosus muscle (ST) amongst other hamstring muscles is frequently lengthened by surgery, but with variable success. Little is known about how the pre-surgical mechanical and morphological characteristics of ST muscle differ between children with SP and typically developing children (TD). The aims of this study were to assess (1) how knee moment-angle characteristics and ST morphology in children with SP selected for medial hamstring lengthening differ from TD children, as well as (2) how knee moment-angle characteristics and ST morphology are related...
2016: PloS One
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
Kevin J Solverson, Christopher Grant, Christopher J Doig
BACKGROUND: Prior studies of physical functioning after critical illness have been mostly limited to survivors of acute respiratory distress syndrome. The purpose of this study was to objectively assess muscle strength and physical functioning in survivors of critical illness from a general ICU and the associations of these measures to health-related quality of life (HRQL), mental health and critical illness variables. METHODS: This was a prospective cohort study of 56 patients admitted to a medical ICU (length of stay ≥4 days) from April 1, 2009, and March 31, 2010...
December 2016: Annals of Intensive Care
K L Holt, D P Raper, C E Boettcher, G S Waddington, M K Drew
OBJECTIVES: To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. DESIGN: Within participant, inter and intra-rater reliability study. PARTICIPANTS: Twenty active, healthy male and female participants underwent testing by two examiners. OUTCOME MEASURES: Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability...
September 2016: Physical Therapy in Sport
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
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
Valérie Decostre, Pascal Laforêt, Aleksandra Nadaj-Pakleza, Marie De Antonio, Sylvain Leveugle, Gwenn Ollivier, Aurélie Canal, Kahina Kachetel, François Petit, Bruno Eymard, Anthony Behin, Karim Wahbi, Philippe Labrune, Jean-Yves Hogrel
Glycogen storage disease type III is an inherited metabolic disorder characterized by liver and muscle impairment. This study aimed to identify promising muscle function measures for future studies on natural disease progression and therapeutic trials. The age-effect on the manual muscle testing (MMT), the hand-held dynamometry (HHD), the motor function measure (MFM) and the Purdue pegboard test was evaluated by regression analysis in a cross-sectional retrospective single site study. In patients aged between 13 and 56 years old, the Purdue pegboard test and dynamometry of key pinch and knee extension strength were age-sensitive with annual losses of 1...
September 2016: Neuromuscular Disorders: NMD
Jeremy M Shefner, Dawei Liu, Melanie L Leitner, David Schoenfeld, Donald R Johns, Toby Ferguson, Merit Cudkowicz
OBJECTIVE: To study the attributes of quantitative strength testing using hand-held dynamometry (HHD) as an efficacy measure in 2 large phase 3 amyotrophic lateral sclerosis (ALS) trials. METHODS: In the phase 3 trials of ceftriaxone and dexpramipexole, 513 and 943 patients, respectively, were enrolled in double-blind, randomized, placebo-controlled trials with planned follow-up of at least 1 year. Patients were studied every 3 months in the ceftriaxone study and every 2 months in the dexpramipexole study...
August 9, 2016: Neurology
Raul G Escobar, Karin T Munoz, Angelica Dominguez, Pamela Banados, Maria J Bravo
INTRODUCTION: This study aimed to determine the maximal isometric muscle strength of a healthy, normal-weight, pediatric population between ages 6 and 15 years using hand-held-dynamometry to establish strength reference values. The secondary objective was determining the relationship between strength and anthropometric parameters. METHODS: Four hundred normal-weight Chilean children, split into 10 age groups separated by 1-year intervals were evaluated. Each age group included between 35 and 55 children...
May 9, 2016: Muscle & Nerve
Sally Dunaway Young, Jacqueline Montes, Samantha S Kramer, Jonathan Marra, Rachel Salazar, Rosangel Cruz, Claudia A Chiriboga, Carol Ewing Garber, Darryl C De Vivo
INTRODUCTION: The Six-Minute Walk Test (6MWT) was adopted as a clinical outcome measure for ambulatory spinal muscular atrophy (SMA). However, a systematic review of measurement properties reported significant variation among chronic pediatric conditions. Our purpose was to assess the reliability/validity of the 6MWT in SMA. METHODS: Thirty participants performed assessments, including the 6MWT, strength, and function. Reproducibility was evaluated by intraclass correlation coefficients...
March 25, 2016: Muscle & Nerve
Martin Alfuth, Magali Murielle Hahm
BACKGROUND: There are conflicting results with respect to the validity and reliability of lower extremity strength measurements using a hand-held dynamometer (HHD) in the healthy population. Previous studies exploring foot inversion and eversion strength using a HHD were carried out with predominantly clinically affected participants in different positions. The question arises whether HHD measurements of isometric foot inversion and eversion strength performed with participants in different positions are valid, reliable and comparable and can be used alternatively...
February 2016: International Journal of Sports Physical Therapy
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
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
Leona Dowman, Christine F McDonald, Catherine J Hill, Annemarie Lee, Kathryn Barker, Claire Boote, Ian Glaspole, Nicole Goh, Annemarie Southcott, Angela Burge, Rebecca Ndongo, Alicia Martin, Anne E Holland
OBJECTIVE: To evaluate the inter-rater and intra-rater reliability of the hand held dynamometer in measuring muscle strength in people with interstitial lung disease (ILD). DESIGN: Test retest reliability of hand-held dynamometry for elbow flexor and knee extensor strength between two independent raters and two testing sessions. SETTING: Physiotherapy department within a tertiary hospital. PARTICIPANTS: Thirty participants with ILD of varying aetiology were included...
September 2016: Physiotherapy
Wendy F M Aertssen, Gillian D Ferguson, Bouwien C M Smits-Engelsman
BACKGROUND: Adequate muscle strength, power, and endurance are important in children's daily activities and sports. Various instruments have been developed for the assessment of muscle function; each measures different aspects. The Functional Strength Measurement (FSM) was developed to measure performance in activities in which strength is required. OBJECTIVE: The study objective was to establish the test-retest reliability and structural and construct validity of the FSM...
June 2016: Physical Therapy
Dayna Pool, Catherine Elliott, Natasha Bear, Cyril J Donnelly, Caroline Davis, Katherine Stannage, Jane Valentine
AIM: To determine if neuromuscular electrical stimulation (NMES) applied to the ankle dorsiflexors during gait improves muscle volume and strength in children with unilateral spastic cerebral palsy (CP). METHOD: Thirty-two children (15 females, 17 males; mean age 10y 8mo, age range 5y 5mo-18y 1mo) with unilateral spastic CP and a Gross Motor Function Classification System of level I or level II were randomly assigned to either the 8-week daily NMES treatment group or control group (usual or conventional treatments)...
May 2016: Developmental Medicine and Child Neurology
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
Georg Fieseler, Thomas Molitor, Lars Irlenbusch, Karl-Stefan Delank, Kevin G Laudner, Souhail Hermassi, Rene Schwesig
INTRODUCTION: To evaluate the intrarater reliability for examining active range of motion (ROM) and isometric strength of the shoulder and elbow among asymptomatic female team handball athletes and a control group using a manual goniometer and hand-held dynamometry (HHD). MATERIALS AND METHODS: 22 female team handball athletes (age: 21.0 ± 3.7 years) and 25 volunteers (13 female, 12 male, age: 21.9 ± 1.24 years) participated to determine bilateral ROM for shoulder rotation and elbow flexion/extension, as well as isometric shoulder rotation and elbow flexion/extension strength...
December 2015: Archives of Orthopaedic and Trauma Surgery
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