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Hand Grip Dynamometer Testing

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https://www.readbyqxmd.com/read/29644933/grip-strength-of-occupational-workers-in-relation-with-carpal-tunnel-syndrome-and-individual-factors
#1
Greesh Kumar Singh, Sanjay Srivastava
The main objective of the present work was to determine the association of grip strength with carpal tunnel syndrome (CTS) for occupational workers exposed to the risk of CTS. Experiments were performed on sixty workers, fifteen from each occupation. Grip strength was measured using hand dynamometer. Electrophysiological experiments were conducted to measure CTS. Three levels of CTS were identified on the basis of latency value and motor nerve conduction velocity, viz., mild, moderate, and severe. Statistical results suggest that workers having CTS lose their grip strength, and higher levels of CTS lead to greater reduction in the grip strength...
April 12, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29594847/the-combination-of-cardiorespiratory-fitness-and-muscle-strength-and-mortality-risk
#2
Youngwon Kim, Tom White, Katrien Wijndaele, Kate Westgate, Stephen J Sharp, Jørn W Helge, Nick J Wareham, Soren Brage
Little is known about the combined associations of cardiorespiratory fitness (CRF) and hand grip strength (GS) with mortality in general adult populations. The purpose of this study was to compare the relative risk of mortality for CRF, GS, and their combination. In UK Biobank, a prospective cohort of > 0.5 million adults aged 40-69 years, CRF was measured through submaximal bike tests; GS was measured using a hand-dynamometer. This analysis is based on data from 70,913 men and women (832 all-cause, 177 cardiovascular and 503 cancer deaths over 5...
March 28, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29577092/assessment-of-maximal-isometric-hand-grip-strength-in-school-aged-children
#3
Jakub S Gąsior, Mariusz Pawłowski, Craig A Williams, Marek J Dąbrowski, Eugene A Rameckers
Background: Hand grip strength (HGS) test is commonly used as an indicator of overall muscle strength in medical and sport practices. Recently, several studies have proposed that the measurement of the maximal HGS depends on dynamometer's handle position. The aim of the present study was to identify the optimal handle position to obtain maximal HGS using the hand grip dynamometer (HGD) for school-aged children. Methods: HGS was assessed with the Jamar digital HGD...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29549892/test-retest-reliability-of-handgrip-strength-as-an-outcome-measure-in-patients-with-symptoms-of-shoulder-impingement-syndrome
#4
Christos Savva, Paraskevas Mougiaris, Christoforos Xadjimichael, Christos Karagiannis, Michalis Efstathiou
OBJECTIVE: The purpose of this study was to investigate the degree of test-retest reliability of grip strength measurement using a hand dynamometer in patients with shoulder impingement syndrome. METHODS: A total of 19 patients (10 women and 9 men; mean ± standard deviation age, 33.2 ± 12.9 years; range 18-59 years) with shoulder impingement syndrome were measured using a hand dynamometer by the same data collector in 2 different testing sessions with a 7-day interval...
March 2018: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29513547/medial-elbow-joint-space-increases-with-valgus-stress-and-decreases-when-cued-to-perform-a-maximal-grip-contraction
#5
Brett S Pexa, Eric D Ryan, Joseph B Myers
BACKGROUND: Previous research indicates that the amount of valgus torque placed on the elbow joint during overhead throwing is higher than the medial ulnar collateral ligament (UCL) can tolerate. Wrist and finger flexor muscle activity is hypothesized to make up for this difference, and in vitro studies that simulated activity of upper extremity musculature, specifically the flexor digitorum superficialis and flexor carpi ulnaris, support this hypothesis. PURPOSE: To assess the medial elbow joint space at rest, under valgus stress, and under valgus stress with finger and forearm flexor contraction by use of ultrasonography in vivo...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29503536/reference-values-of-hand-grip-dynamometry-and-the-relationship-between-low-strength-and-mortality-in-older-chileans
#6
Lydia Lera, Cecilia Albala, Bárbara Leyton, Carlos Márquez, Bárbara Angel, Rodrigo Saguez, Hugo Sánchez
Aim: This study was aimed to set reference values of hand-grip strength by age and sex and validate cut points for risk of functional limitation and mortality in older Chileans. Methods: This was a pooled analysis of four studies including 6,426 people ≥60 years of nondependent community-dwelling Chileans. After exclusion criteria, the final sample included 5,250 subjects, from whom 2,193 were followed to study all-cause mortality associated with low hand-grip strength...
2018: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29439817/forearm-torque-and-lifting-strength-normative-data
#7
Peter Axelsson, Per Fredrikson, Anders Nilsson, Jonny K Andersson, Johan Kärrholm
PURPOSE: To establish reference values for new methods designed to quantitatively measure forearm torque and lifting strength and to compare these values with grip strength. METHODS: A total of 499 volunteers, 262 males and 237 females, aged 15 to 85 (mean, 44) years, were tested for lifting strength and forearm torque with the Kern and Baseline dynamometers. These individuals were also tested for grip strength with a Jamar dynamometer. Standardized procedures were used and information about sex, height, weight, hand dominance, and whether their work involved high or low manual strain was collected...
February 10, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29394209/dynamic-handgrip-strength-endurance-a-reliable-measurement-in-older-women
#8
Konstantina Karatrantou
BACKGROUND AND PURPOSE: Dynamic handgrip strength endurance is essential for daily activities that require repetitive gripping movements for a sustained period. At this time, there is no information about the reliability of measurement of dynamic handgrip strength endurance in older individuals. Thus, the purpose of this study was to investigate the test-retest reliability of dynamic handgrip strength endurance in older women. METHODS: A cross-sectional study was performed...
January 31, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29354575/muscle-mass-strength-mobility-quality-of-life-and-disease-severity-in-ankylosing-spondylitis-patients-a-preliminary-study
#9
Seung Chan Kim, Yeong Guk Lee, Si-Bog Park, Tae Hwan Kim, Kyu Hoon Lee
Objective: To determine if there is muscle mass reduction in patients with ankylosing spondylitis (AS) compared to the general population and to examine the relationship between skeletal muscle mass, quality of life (QOL), strength, and mobility in patients with AS. Methods: A total of 30 AS patients were enrolled in this study. Skeletal muscle mass was measured by bioelectrical impedance analysis, and it was expressed as the skeletal muscle mass index (SMI). QOL was assessed using the EuroQOL (EQ-5D)...
December 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29276499/usability-of-videogame-based-dexterity-training-in-the-early-rehabilitation-phase-of-stroke-patients-a-pilot-study
#10
Tim Vanbellingen, Suzanne J Filius, Thomas Nyffeler, Erwin E H van Wegen
Background: Approximately 70-80% of stroke survivors have limited activities of daily living, mainly due to dexterous problems. Videogame-based training (VBT) along with virtual reality seems to be beneficial to train upper limb function. Objective: To evaluate the usability of VBT using the Leap Motion Controller (LMC) to train fine manual dexterity in the early rehabilitation phase of stroke patients as an add-on to conventional therapy. Additionally, this study aimed to estimate the feasibility and potential efficacy of the VBT...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29236911/assessment-of-the-quality-of-life-muscle-strength-and-dynamic-balance-of-elderly-kendo-players
#11
Dário Lucas Costa de Mendonça, Angelica Castilho Alonso, Júlia Maria D'Andrea Greve, Luiz Eugênio Garcez-Leme
OBJECTIVE: To compare Kendo players with active elderly adults in terms of quality of life, functional aspects (muscle strength, postural balance) and body composition. METHODS: This was a controlled cross-sectional study. Twenty elderly individuals were divided into two groups: the Kendo group, with an average age of 71.8 (5.4) years, and the Control group, with an average age of 73.1 (4.8) years. Quality of life was evaluated using a questionnaire (WHOQOL-bref and WHOQOL-old); body composition was evaluated with a bioimpedance scale (InBody230); hand-grip strength was assessed with a portable manual dynamometer (Jamar SH 5001); flexor and extensor muscle strength of the knees was evaluated with an isokinetic device (Biode® System 3 model Biodex Multi Joint System, BIODEX); and dynamic balance was assessed using a force platform (Balance Master System, Neurocom International, Inc...
November 2017: Clinics
https://www.readbyqxmd.com/read/29230275/the-efficacy-of-a-haptic-enhanced-virtual-reality-system-for-precision-grasp-acquisition-in-stroke-rehabilitation
#12
Shih-Ching Yeh, Si-Huei Lee, Rai-Chi Chan, Yi Wu, Li-Rong Zheng, Sheryl Flynn
Stroke is a leading cause of long-term disability, and virtual reality- (VR-) based stroke rehabilitation is effective in increasing motivation and the functional performance. Although much of the functional reach and grasp capabilities of the upper extremities were regained, the pinch movement remains impaired following stroke. In this study, we developed a haptic-enhanced VR system to simulate haptic pinch tasks to assist the recovery of upper-extremity fine motor function. We recruited 16 adults with stroke to verify the efficacy of this new VR system...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29227162/electromyography-biofeedback-exergames-to-enhance-grip-strength-and-motivation
#13
Nadia Garcia-Hernandez, Karen Garza-Martinez, Vicente Parra-Vega
BACKGROUND: Hand strength weakness affects the performance of most activities of daily living. This study aims to design, develop, and test an electromyography (EMG) biofeedback training system based on serious games to promote motivation and synchronization and proper work intensity in grip exercises for improving hand strength. MATERIALS AND METHODS: An EMG surface sensor, soft balls with different stiffness and three exergames, conforms the system to drive videogame clues in response to EMG-inferred grip strength, while overseeing motivation...
February 2018: Games for Health
https://www.readbyqxmd.com/read/29207573/the-effects-of-industrial-protective-gloves-and-hand-skin-temperatures-on-hand-grip-strength-and-discomfort-rating
#14
Mohamed Z Ramadan
Daily working activities and functions require a high contribution of hand and forearm muscles in executing grip force. To study the effects of wearing different gloves on grip strength, under a variety of hand skin temperatures, an assessment of the maximum grip strength was performed with 32 healthy male workers with a mean age (standard deviation) of 30.44 (5.35) years wearing five industrial gloves at three hand skin temperatures. Their ages and anthropometric characteristics including body mass index (BMI), hand length, hand width, hand depth, hand palm, and wrist circumference were measured...
December 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29184291/the-effects-of-task-oriented-training-on-hand-dexterity-and-strength-in-children-with-spastic-hemiplegic-cerebral-palsy-a-preliminary-study
#15
Jong-Hoon Moon, Jin-Hwa Jung, Suk-Chan Hahm, Hwi-Young Cho
[Purpose] The purpose of this study was to investigate the effects of task-oriented training (TOT) on hand dexterity and strength in children with spastic hemiplegic cerebral palsy. [Subjects and Methods] Twelve children with spastic hemiplegic cerebral palsy were randomly assigned to either the TOT group (n=6) or the control group (n=6). In both groups, conventional occupational therapy was performed 40-min/day, 2 times a week, for 4 weeks. In the TOT group, TOT was additionally performed for 20 min, and the control group received usual care...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29139646/physical-fitness-and-digit-ratio-2d-4d-in-male-students-from-wroc%C3%A5-aw-poland
#16
Slawomir Koziel, Marek Kociuba Mail, Raja Chakraborty, Zofia Ignasiak
There is sex-difference in humans as regards aerobic efficiency, physical strength and endurance and the sex difference is greatly dependent upon differential concentration of testosterone during different phases of growth and development including the intrauterine phase or prenatal growth. Second-to-fourth digit lengths ratio (2D:4D) is an putative indicator of prenatal testosterone exposure. Lower 2D:4D indicates higher prenatal testosterone exposure and vice versa. Males generally have lower 2D:4D than females...
March 2017: Collegium Antropologicum
https://www.readbyqxmd.com/read/29097982/evaluating-hand-function-in-clients-with-trigger-finger
#17
Danit Langer, Adina Maeir, Michael Michailevich, Shai Luria
Background: Trigger finger (TF) is a common hand pathology frequently encountered in hand clinics. Occupational therapists predominantly assess TF symptoms as opposed to using standardized hand functioning assessments. The purpose of this study was to assess the construct validity of dexterity and grip strength assessments for clients with TF. Method: Sixty-three participants with TF and 66 healthy controls were administered the Functional Dexterity Test (FDT), Purdue Pegboard Test (PPT), and Jamar® Hydraulic Hand Dynamometer (JD) and completed the Disabilities of Arm Shoulder and Hand questionnaire (DASH)...
2017: Occupational Therapy International
https://www.readbyqxmd.com/read/29026726/hand-grip-strength-and-gender-allometric-normalization-in-older-adults-and-implications-for-the-niosh-lifting-equation
#18
Trish Gail Sevene, Joseph Berning, Chad Harris, Mike Climstein, Kent Jason Adams, Mark DeBeliso
BACKGROUND: Many countries are experiencing an aging workforce with women workers making up a growing proportion. Workplaces often require employees to complete lifting tasks that require the ability of the hand to grasp an implement (coupling). The National Institute for Occupational Safety and Health (NIOSH) has developed an equation for manual lifting tasks hoping to minimize the potential for a workplace back-injury related to a lifting task. The NIOSH lifting equation relies upon stress variables including a coupling factor...
July 2017: Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/28878462/effect-of-task-oriented-activities-on-hand-functions-cognitive-functions-and-self-expression-of-elderly-patients-with-dementia
#19
Bo-Young Son, Yo-Soon Bang, Min-Ji Hwang, Eun-Ju Oh
[Purpose] This study investigates the effects of task-oriented activities on hand function, cognitive function, and self-expression of the elderly with dementia, and then identify the influencing factors on self-expression in sub-factors of dependent variables. [Subjects and Methods] Forty elderly persons were divided into two groups: intervention group (n=20) and control group (n=20). The interventions were applied to the subjects 3 times a week, 50 minutes per each time, for a total of five weeks. We measured the jamar hand dynamometer test for grip strength, the jamar hydraulic pinch gauge test for prehension test, nine-hole pegboard test for coordination test, and Loewenstein Occupational Therapy Cognitive Assessment-Geriatric Population for cognitive function, and self-expression rating scale for self-expression test...
August 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28853331/the-effects-of-varying-levels-of-hemispheric-activation-on-episodic-memory
#20
Stephen Prunier, Stephen Christman, John Jasper
Bilateral saccadic eye movements enhance episodic memory retrieval; however, this usually only occurs for consistent-handed, not inconsistent-handed, individuals. It was hypothesized that inconsistent-handers begin closer to the peak of a Yerkes-Dodson-type inverted-U curve and increasing activation pushes them along the curve eventually decreasing performance, while consistent-handers start at a lower baseline and therefore increasing activation increases their performance. The current study tested this hypothesis by using hand clenching (grip strength) to increase activation at 5 different levels for both consistent- and inconsistent-handers...
August 30, 2017: Laterality
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