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Cambios en la fuerza isometrica de mujeres postmenopausicas tras el ejercicio acuatico (Isometric strength changes in postmenopausal women after training in water) [Spanish]
Carrasco Poyatos M, Martinez Gonzalez-Moro I, Vaquero Abellan M
Revista Internacional de Medicina y Ciencias de la Actividad Fisica y del Deporte [International Journal of Medicine and Science of Physical Activity and Sport] 2013 Mar;13(49):73-86
clinical trial
4/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

The purpose of this study was to determine the effectiveness of two water-based exercise programs on maximal isometric strength and body weight in postmenopausal women. 59 women were randomly assigned to swimming group (GN; n = 21), shallow pool group (GPP; n = 21) and control group (GC; n = 17). Maximal isometric strength in a trunk extension (FIET) and in a knee extension (FIEP), and body mass index (IMC) was measured after one year of training. GPP and GC demonstrated a significant decrease (p < 0.05) in FIET (-7.59N; -17.41N respectively) and FIEP (-10N; -25.46N respectively). Statistical differences between GN and GC were found respect to FIET and FIEP, and between GPP and GC respect to FIEP. IMC was significantly reduced in GN (-0.53 kg/m2) and GPP (-0.75 kg/m2). Water training is not effective regarding improvements on isometric strength in postmenopausal women but slows the age related muscle wasting and leads to positive changes in body weight.

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