Open AccessWarm-up effect on handgrip strength in sedentary and overweight women
Author(s) -
Jordan Hernández-Martínez,
Maria Francisca Rauch Gajardo,
Diego Cisterna,
Rodrigo RamírezCampillo,
Jason Moran,
Beat Knechtle,
Pantelis Theodoros Nikolaidis,
Cristián Álvarez
Publication year - 2020
Publication title -
revista de la facultad de medicina
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.141
H-Index - 8
eISSN - 2357-3848
pISSN - 0120-0011
DOI - 10.15446/revfacmed.v68n3.76057
Subject(s) - overweight , isometric exercise , medicine , lean body mass , physical therapy , body mass index , body weight
The evaluation of handgrip strength has gain special relevance in the area of health. However, a standardized protocol of application is required to measure it, including warm-up procedures.Objective: To compare the acute effects of different warm-up strategies on maximal handgrip strength (MHS) in sedentary and overweight women.Materials and methods: Single-blind, randomized, cross-over study in which MHS was measured in 12 overweight women under the following conditions: i) no warm-up (control condition), ii) static stretching warm-up, iii) strength-based warm-up (i.e., resistance band exercise), and iv) isometric squeezing-ball warm-up for the forearm muscles. A Jamar dynamometer was used for the measurements, which were taken on four different days, at 48-hour rest intervals; three measurement were made per hand.Results: MHS mean values were 23.8 and 24.9 kg without warm-up, 20.3 and 21.4 kg after stretching warm-up, 20.9 and 22.9 kg after strength-based warm-up, and 22.0 and 23.0 kg after squeezing-ball warm-up for non-dominant and dominant hand, respectively. No significant (p>0.05; one-way ANOVA) differences were observed between protocols, nor differences in MHS in relation to nutritional status, lean mass or fat mass.Conclusion: Warm-up is not required to measure MHS in overweight sedentary women when three measurements are made.