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Junga Lee

muscle mass is associated with reduced strength ( Kamel, 2003 ). Handgrip strength is a simple and reliable test of physical fitness and is a predictor of overall muscle strength, sarcopenia, and physical health ( Bohannon, 2015 ). Weak handgrip strength is associated with all-cause mortality and

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Youngdeok Kim, Joaquin U. Gonzales and P. Hemachandra Reddy

muscle mass with aging ( Abe, Thiebaud, & Loenneke, 2016 ; Hughes et al., 2001 ). Maximal isometric handgrip strength is a simple and noninvasive measure of skeletal muscle strength that is recommended by the European Working Party on Sarcopenia in Older People ( Cruz-Jentoft et al., 2010 ). Handgrip

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Vassilis Gerodimos and Konstantina Karatrantou

The purpose of this study was to evaluate the intersession and the intrasession reliability of maximal handgrip strength test in young wrestlers. Twenty-seven prepubertal (9.49 ± 0.96yrs) and twenty-seven pubertal (14.60 ± 0.50yrs) male wrestlers performed two assessment sessions separated by one day. Both assessments included a testing protocol consisted of three maximal isometric contractions, on both hands using a hydraulic dynamometer (Jamar). The intersession and intrasession reliability was high for both prepubertal and pubertal wrestlers (ICC = 0.87−0.99). The single trial as well as the best of two and three trials of handgrip strength were slightly less reliable (ICC = 0.87−0.94) than the mean of two and three trials in prepubertal (ICC = 0.95−0.97). The present results indicate that maximum handgrip strength can be measured reliably, using the Jamar dynamometer, in young wrestlers. A single trial as well as the two trials can be used as reliable, less-tiring and less time-consuming methods for the evaluation of handgrip strength than the three trials.

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Danilo Bondi, Sergio Di Sano, Vittore Verratti, Giampiero Neri, Tiziana Aureli and Tiziana Pietrangelo

graphomotor skills, but with no direct correlation. Giammarco et al. ( 2016 ) reported the same visuospatial processes to be related to graphomotor skills on a tablet PC tracing-task test, demonstrating also that handgrip strength (HS) was correlated to the pressure of the trait in boys. Such a comprehension

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Michael Tieland, Lex B. Verdijk, Lisette C.P.G.M. de Groot and Luc J.C. van Loon


Although handgrip strength is considered a strong predictor of negative health outcomes, it is unclear whether handgrip strength represents a useful measure to evaluate changes in muscle strength following resistance-type exercise training in older people. We assessed whether measuring handgrip strength provides proper insight in the efficacy of resistance-type exercise training to increase muscle mass, strength, and physical performance in frail older people.


Prefrail and frail older people (≥ 65 y) were either conducting a 24-week resistance-type exercise training or no exercise training. Before, during, and after the intervention, handgrip strength (JAMAR), lean body mass (DXA), leg strength (1-RM), and physical performance (SPPB) were assessed.


Handgrip strength correlated with appendicular lean mass (r = 0.68; p < .001) and leg strength (r = 0.67; p < .001). After 24 weeks of whole body resistance-type exercise training, leg extension strength improved significantly better when compared with the control group (57 ± 2–78 ± 3 kg vs 57 ± 3–65 ± 3 kg: p < .001). Moreover, physical performance improved significantly more in the exercise group (8.0 ± 0.4–9.3 ± 0.4 points) when compared with the control group (8.3 ± 0.4–8.9 ± 0.4 points: p < .05). These positive changes were not accompanied with any significant changes in handgrip strength (26.3 ± 1.2–27.6 ± 1.2 kg in the exercise group vs 26.6 ± 1.2–26.3 ± 1.3 kg in the control group: p = .71).


Although handgrip strength strongly correlates with muscle mass and leg strength in frail older people, handgrip strength does not provide a valid means to evaluate the efficacy of exercise intervention programs to increase muscle mass or strength in an older population.

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Jennifer J. Sherwood, Cathy Inouye, Shannon L. Webb and Jenny O

instantaneous feedback, improve test site flexibility, and be a useful alternative to laboratory measures. Handgrip strength (HGS) is an often-used assessment of overall strength in older adults in part because it is easy to administer, standards have been developed for the older population, and strength of the

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Laura S. Kox, P. Paul F.M. Kuijer, Dagmar A.J. Thijssen, Gino M.M.J. Kerkhoffs, Rick R. van Rijn, Monique H.W. Frings-Dresen and Mario Maas

(BMC; 9), bone mineral density (BMD; 15), ulnar variance (6), handgrip strength (6), and ultrasonic velocity (1). Because of the differences in outcome measures, the heterogeneity of the combined study populations, and the overall quality level of the studies, unpooled data are presented. Table 1

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Kelly Pritchett, Robert C. Pritchett, Lauren Stark, Elizabeth Broad and Melissa LaCroix

(cholecalciferol; Klean Athlete, Pittsburgh, PA) supplementation protocol from the United States Olympic Committee. Performance measures were assessed using handgrip strength and 20-m wheelchair sprints pre- and postsupplementation. Participants completed a 24-hr dietary recall prior to each testing session

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Kathryn L. Weston, Nicoleta Pasecinic and Laura Basterfield

measured using the following components of the Eurofit testing battery ( 13 ): 20mSRT performance, handgrip strength, standing broad jump, and sit-and-reach performance. Anthropometry Participants’ body mass, standing height, and sitting height were measured to the nearest 0.1 kg and 0.1 cm using

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Alejandro Muñoz, Álvaro López-Samanes, Alberto Pérez-López, Millán Aguilar-Navarro, Berta Moreno-Heredero, Jesús Rivilla-García, Pablo González-Frutos, José Pino-Ortega, Esther Morencos and Juan Del Coso

without opposition), a countermovement jump (CMJ), an isometric handgrip strength test (IHS), a modified version of the agility T test (MATT), and a 30-m sprint test (SV). A 5-minute resting period was set among test to allow recovery. One week before the onset of the experiment, a familiarization