1987
DOI: 10.1007/bf00696382
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Cardiac effects of short term arm crank training in paraplegics: echocardiographic evidence

Abstract: The cardiac responses of male paraplegics to upper-body endurance training have been studied by M-mode echocardiography and CO2-rebreathing determination of cardiac output. Data for nine exercised subjects are compared with 5 controls. After 16 weeks of arm ergometer exercise, heart rates of trained individuals were 9 bt X min-1 lower during isometric handgrip effort (30% of MVC for 3 min), with a substantial decrease of rate pressure product (20%; p less than 0.05). In contrast (possibly because of greater an… Show more

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Cited by 46 publications
(31 citation statements)
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“…Furthermore, it has been suggested that training may exert positive effects on the cardiovascular apparatus [7, 9]. In particular, it has been reported in SCI subjects that a short period of arm training can induce significant improvement in myocardial efficiency and SV, probably because some increase in cardiac preload takes place due to an increase in venous tone [10]. Moreover, it has been demonstrated that arm training resulted in increments in norepinephrine and epinephrine in response to exercise [11].…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, it has been suggested that training may exert positive effects on the cardiovascular apparatus [7, 9]. In particular, it has been reported in SCI subjects that a short period of arm training can induce significant improvement in myocardial efficiency and SV, probably because some increase in cardiac preload takes place due to an increase in venous tone [10]. Moreover, it has been demonstrated that arm training resulted in increments in norepinephrine and epinephrine in response to exercise [11].…”
Section: Introductionmentioning
confidence: 99%
“…The adaptations of the heart of spinal cord injured individuals to regular endurance training have been investigated (Davis et al 1987;Gates et al 2002;Huonker et al 1998;Kessler et al 1986;Nash et al 1991;Price et al 2000). Whereas several studies found no signiWcant cardiac hypertrophy following endurance training in spinal cord injured subjects, other authors described a limited increase in HV per kilograms.…”
Section: Discussionmentioning
confidence: 98%
“…In the study of Davis et al (1987) 32, a short period of arm training was insufficient to increase cardiac function in paraplegic subjects, on this account, it is likely that although the cardiac parasympathetic flow withdrawal response is preserved in quadriplegic individuals, the rapid acceleration of HR at the beginning of exercise and the rapid deceleration after exercise 33. However, some improvement was observed on pre-loading due to increased venous tone and more effective operation of the muscle pump after training.…”
Section: Discussionmentioning
confidence: 99%