Do position, time of day, and verbal encouragement influence handgrip strength measurement?
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Introduction: The use of grip strength measurement in research studies and clinical practice has gained relevance due to its close relationship with health events. The European Working Group on Sarcopenia (EWGSOP) introduced the measurement of muscle function (muscle strength and physical performance) as an essential criterion for the diagnosis of sarcopenia. For this reason, the primary objective of our study was to evaluate three different methods for determining handgrip strength measurements.
Methods: A quasi-experimental study was conducted in three bone health centers in Argentina. Healthy male and female volunteers, aged between 18 and 40 years were included. We assessed the impact of limb dominance, posture (sitting vs standing), time of day (morning vs afternoon), and verbal encouragement (yes/no) on handgrip strength measurements.
Results: A total of 117 participants were analyzed with males comprising 41% of the sample. The mean age of men was 27.7 years and mean age of women was 28.7 years. Men exhibited greater handgrip strength compared to women (46.5 ± 11.7 kg vs. 27.0 ± 6.8, p<0.001). Handgrip strength was consistently greater in the dominant limb across all tests (p<0.05). No variations were observed in handgrip strength with respect to posture or time of day (p>0.05). However, a significant difference was noted before and after verbal encouragement (29.81 ± 12.14 kg vs. 33.50 ± 11.40 p<0.001).
Conclusions: According to our results, handgrip strength should be measured using the dominant limb and evaluators should use verbal encouragement to obtain maximum grip strength.
Ethics approval information: National University of Rosario (resolution N°5596/2023)
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Derechos de autor: Actualizaciones en Osteología es la revista oficial de la Asociación Argentina de Osteología y Metabolismo Mineral (AAOMM) que posee los derechos de autor de todo el material publicado en dicha revista.
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