title: Neuromuscular adaptations to water-based concurrent training in postmenopausal women: effects of intrasession exercise sequence.
abstract: This study investigated the effects of different exercise sequences on the neuromuscular adaptations induced by water-based concurrent training in postmenopausal women. Twenty-one healthy postmenopausal women (57.14 ± 2.43 years) were randomly placed into two water-based concurrent training groups: resistance training prior to (RA, n = 10) or after (AR, n = 11) aerobic training. Subjects performed resistance and aerobic training twice a week over 12 weeks, performing both exercise types in the same training session. Upper (elbow flexors) and lower-body (knee extensors) one-repetition maximal test (1RM) and peak torque (PT) (knee extensors) were evaluated. The muscle thickness (MT) of upper (biceps brachii) and lower-body (vastus lateralis) was determined by ultrasonography. Moreover, the maximal and submaximal (neuromuscular economy) electromyographic activity (EMG) of lower-body (vastus lateralis and rectus femoris) was measured. Both RA and AR groups increased the upper- and lower-body 1RM and PT, while the lower-body 1RM increases observed in the RA was greater than AR (34.62 ± 13.51 vs. 14.16 ± 13.68 %). RA and AR showed similar MT increases in upper- and lower-body muscles evaluated. In addition, significant improvements in the maximal and submaximal EMG of lower-body muscles in both RA and AR were found, with no differences between groups. Both exercise sequences in water-based concurrent training presented relevant improvements to promote health and physical fitness in postmenopausal women. However, the exercise sequence resistance-aerobic optimizes the strength gains in lower limbs.
authors: Exercise Research Laboratory, Physical Education School, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil, tetisantana@yahoo.com.br.
authors: Stephanie S
authors: SS
authors: Pinto
authors: Cristine L
authors: CL
authors: Alberton
authors: Natália C
authors: NC
authors: Bagatini
authors: Paula
authors: P
authors: Zaffari
authors: Eduardo L
authors: EL
authors: Cadore
authors: Régis
authors: R
authors: Radaelli
authors: Bruno M
authors: BM
authors: Baroni
authors: Fábio J
authors: FJ
authors: Lanferdini
authors: Rodrigo
authors: R
authors: Ferrari
authors: Ana Carolina
authors: AC
authors: Kanitz
authors: Ronei S
authors: RS
authors: Pinto
authors: Marco Aurélio
authors: MA
authors: Vaz
authors: Luiz Fernando M
authors: LF
authors: Kruel
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000367:Age Factors; D004576:Electromyography; D017079:Exercise Tolerance / Q000502:physiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D053580:Muscle Strength / Q000502:physiology*; D018482:Muscle, Skeletal / Q000502:physiology*; D017698:Postmenopause / Q000502:physiology*; D055070:Resistance Training / Q000379:methods*; D014867:Water
chemical_list: D014867:Water
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