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Utilize este identificador para referenciar este registo: http://hdl.handle.net/10314/3811

Título: Cardiovascular effort in different head-out aquatic exercise routines: influence of limbs action and floating equipment.
Autores: Cruz, Lúcia
Serra, Nuno
Simão, Ana
Vila-Chã, Carolina
Barbosa, Tiago
Costa, Mário
Data: 2017
Editora: Desafio Singular
Citação: CRUZ L, SERRA N, SIMÃO A, VILA-CHÃ C, BARBOSA TM, COSTA MJ (2017) Cardiovascular effort in different head-out aquatic exercise routines: influence of limbs action and floating equipment. Motricidade, 13(1): S129. International Congress CIDESD 2016. Évora, Portugal.
Resumo: Introduction Head-out aquatic exercise classes comprise limbs action with or without equipment to diversity and change the intensity of the session. Instructors use arms only, legs only action or full mode of exercise to induce different forms of effort. Although acute physiological response can be dependent from the number of limbs in action or by the inclusion of floating material (Costa et al., 2008), there is a need to stagger those routines for health and conditioning purposes. Methods Ten young and healthy women (22.2±2.6 years, 59.3±12.5 kg of body mass and 1.63±0.08 m of height) were recruited to perform five head-out aquatic exercises: (i) horizontal arms abduction (Ab); (ii) horizontal arms abduction with dumbbells (AbDum); (iii) frontal kick (Fk); (iv) frontal kick with leggings (FkLeg), and; (v) aquatic skiing (Ski). Subjects were randomly assigned to each routine that was performed for three minutes at the cadence of 132 bpm. Cardiovascular response was assessed by heart rate, systolic blood pressure, double product and rating of perceived exertion. Results There were significant and strong variations in all variables according to the routine performed (p < 0.01, partial 2 > 0.64 for all). The heart rate was higher in FkLeg (140.40±25.50 bpm) compared to Ab (110.30±23.75 bpm, p = 0.03) and AbDum (110.00±22.70 bpm, p = 0.04). The systolic blood pressure showed higher values in Fk (120.60±15.20 mmHg) when compared to Ab (104.50±10.80 mmHg, p = 0.05). The double product also showed higher values in Fk (15962.80) and FkLeg (16990.40) when compared to Ab (11608, p < 0.01 and p = 0.01, respectively). Interestingly, the rating of perceived exertion showed lower values in Ski (10.40) than AbDum (13.60, p = 0.01) and FkLeg (15.80, p < 0.01). Conclusions It can be concluded that different head-out aquatic exercise routines, encompassing different limbs or with the aid of floating devices, induce different cardiovascular responses. Actions by the lower limbs are the most intense, while upper limbs elicit a lower exertion. Exercising the four limbs (e.g. aquatic skiing) seems to be less demanding than eliciting only two limbs with the aid of a floating device.
URI: http://hdl.handle.net/10314/3811
Aparece nas Colecções:Artigos em Acta de Conferência Internacional (ESECD)

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