Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2009) 08, 401 - 409

Research article
Arm vs. Combined Leg and Arm Exercise: Blood Pressure Responses and Ratings of Perceived Exertion at the Same Indirectly Determined Heart Rate
Andrea Di Blasio1, , Andrea Sablone2, Paola Civino2, Emanuele D’Angelo1, Sabina Gallina1, Patrizio Ripari1,2
Author Information
1 Department of Human Movement Sciences,
2 University Center of Sports Medicine, “G. d’Annunzio ”University, Chieti, Italy

Andrea Di Blasio
✉ c/o Centro Universitario di Medicina dello Sport, Viale Abruzzo 322, 66100 Chieti,Italy
Email: adiblasio@unich.it
Publish Date
Received: 25-02-2009
Accepted: 09-06-2009
Published (online): 01-09-2009
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ABSTRACT

Pre-participation screening is very important for prescribing and practising exercise safely. The aim of this study was to investigate both ratings of perceived exertion (RPE) and blood pressure responses in two different types of exercises with matching duration and indirectly determined working heart rate (HR). Participants were 23 male students, who were generally healthy but sedentary. The time course of their RPE and blood pressure during a 50- minute work-out session on an arm crank ergometer and a cross trainer were compared. RM-ANOVA showed both a higher RPE (p < 0.001) and diastolic blood pressure (DBP) (p < 0.001) response to the arm exercise that were shown significantly correlated (r = 0.883; p = 0.008). Linear regression analysis (p = 0.001) confirmed the ability to predict the time course of DBP by knowing the RPE on the arm crank ergometer. Even if people use the recommended relative intensity, the HR method is not always safe for health without pre-participation screening because exercise characteristics can negatively influence physiological responses. The HR method could be substituted by the RPE method.

Key words: Diastolic blood pressure, arm crank ergometer, cross trainer


           Key Points
  • Arm Crank Ergometer elicits a higher diastolic blood pressure response respect to Cross Trainer when people exercise at the same heart rate.
  • Arm Crank Ergometer elicits a higher ratings of perceived exertion respect to Cross trainer when people exercise at the same heart rate.
  • Indirect determined working heart rate is not always safe even if the theoretical intensity is that recommended for health.
  • Rating of perceived exertion method should be used instead of heart rate method to avoid the dangerous physiological responses observed.
 
 
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