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HIGH-VELOCITY RESISTANCE EXERCISE PROTOCOLS IN OLDER WOMEN: EFFECTS
ON CARDIOVASCULAR RESPONSE
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Rodrigo
P. da Silva1,3 ,
Jefferson Novaes2, Ricardo J. Oliveira3, Paulo
Gentil4, Dale Wagner5 and Martim Bottaro4 |
1College of Physical Education, Faculdades Unidas do Norte de Minas, Brazil,
2Graduate School of Physical Education, Federal University of Rio de Janeiro,
Brazil, 3Graduate School of Physical Education, Catholic University of
Brasilia, Brazil, 4College of Physical Education, University of Brasilia,
Brazil, 5Dept. of Health, Physical Education, and Recreation, Utah State
University, USA.
| Received |
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06 August 2007 |
| Accepted |
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15
October 2007 |
| Published |
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01
December 2007 |
©
Journal of Sports Science and Medicine (2007) 6, 560 - 567
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| ABSTRACT |
| Acute cardiovascular responses to different high-velocity resistance
exercise protocols were compared in untrained older women. Twelve
apparently healthy volunteers (62.6 ± 2.9 y) performed three different
protocols in the bench press (BP). All protocols involved three sets
of 10 repetitions performed with a 10RM load and 2 minutes of rest
between sets. The continuous protocol (CP) involved ten repetitions
with no pause between repetitions. The discontinuous protocols were
performed with a pause of five (DP5) or 15 (DP15) seconds between
the fifth and sixth repetitions. Heart rate (HR), systolic blood pressure
(SBP), rate pressure product (RPP), Rating of Perceived Exertion (RPE),
and blood lactate (BLa) were assessed at baseline and at the end of
all exercise sets. Factorial ANOVA was used to compare the cardiovascular
response among different protocols. Compared to baseline, HR and RPP
were significantly (p < 0.05) higher after the third set in all
protocols. HR and RPP were significantly (p < 0.05) lower in DP5
and DP15 compared with CP for the BP exercise. Compared to baseline,
RPE increased significantly (p < 0.05) with each subsequent set
in all protocols. Blood lactate concentration during DP5 and DP15
was significantly lower than CP. It appears that discontinuous high-velocity
resistance exercise has a lower cardiovascular demand than continuous
resistance exercise in older women.
KEY
WORDS: Aging,
weight training, blood pressure, heart rate, perceived exertion.
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