gms | German Medical Science

7th EFSMA – European Congress of Sports Medicine, 3rd Central European Congress of Physical Medicine and Rehabilitation, Annual Assembly of the German and the Austrian Society of Physical Medicine and Rehabilitation

Austrian Society of Physical Medicine and Rehabilitation

26.-29.10.2011, Salzburg, Austria

Resistance exercise elicits acute blood pressure reduction in type-2 diabetics

Meeting Abstract

7th EFSMA – European Congress of Sports Medicine, 3rd Central European Congress of Physical Medicine and Rehabilitation. Salzburg, 26.-29.10.2011. Düsseldorf: German Medical Science GMS Publishing House; 2011. Doc11esm136

DOI: 10.3205/11esm136, URN: urn:nbn:de:0183-11esm1369

Published: October 24, 2011

© 2011 Sales et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.


Outline

Text

Objective: To analyze the occurrence of post-exercise hypotension (PEH) and cardiovascular and metabolic responses to aerobic (AE) and resistance exercises (RE) in type-2 diabetics.

Material/Methods: Nine type-2 diabetics performed 1) 20-min of cycling (AE) at lactate threshold intensity; 2) RE at 70%1RM, and 3) control session (CONT). For the RE, 3 sets of circuit training, composed by 6 exercises with 8 repetitions each, were performed with a 50-sec interval between sets and 1-min between circuit laps. Heart rate (HR), blood pressure (BP), blood lactate ([lac]), oxygen consumption (VO2) and rate of perceived exertion (RPE) were measured at rest, exercise or CONT and over the 120-min of post-session recovery.

Results: HR, BP, RPE and caloric expenditure measured immediately after exercise sessions did not differ between groups. Mean VO2 of RE (10.6±1.7) was lower than AE (13.3±1.4) (p<0.05). VO2 peak measured immediately after each RE bout (17.5±3.4) was higher than in AE (p<0.05) also showing a higher peak [lac] after RE (7.5±3.0 vs. 4.2±1.5mM) (p<0.05). The RE but not AE elicited PEH in systolic blood pressure, diastolic blood pressure and mean arterial pressure (MAP) (p<0.05). The MAP decrease after one hour of recovery in RE was ~5.3 mmHg, while AE elicited a non-significant decrease of ~1.9 mmHg. Only RE elicited diastolic PEH.

Figure 1 [Fig. 1], Table 1 [Tab. 1].

Conclusion: Only the 70%1RM RE circuit training model promoted PEH in type-2 diabetic individuals, perhaps due the higher cardiovascular and metabolic stress when compared to the AE session.

Acknowledgements: Fundação de Apoio a pesquisa do Distrito Federal – FAPDF


References

1.
Motta D, Lima L, Arsa G, Russo P, Sales M, Moreira S, Morais P, Almeida W, Araujo R, Moraes M, Pesquero J, Simões H, Campbell C. Effect of type 2 diabetes on plasma kallikrein activity after physical exercise and its relationship to post-exercise hypotension. Diabetes Metab. 2010;36:363-8.
2.
Morais PK, Campbell CSG, Sales MM, Mota DF, Moreira SR, Cunha V, et al. Acute resistance exercise is more effective than aerobic for 24 h blood pressure control in individuals with type 2 diabetes. Diabetes Metab. 2011;37(2):112-7.