Heavy-resistance exercise caused extreme blood pressure elevations up to 345/245 mmHg, which closely correlated with increases during a hand-grip test (r = 0.95, P<0.001).
Observational (n=8)
What are the mechanisms and magnitude of blood pressure changes during heavy-resistance exercise in body-builders?
Heavy-resistance exercise induces extreme, transient elevations in blood pressure, largely driven by pronounced increases in intrathoracic and intra-abdominal pressures.
Estimación del efecto: r = 0.95
valor p: p=<0.001
To study the mechanisms of the blood pressure changes during weight-lifting, three hypertensive and five normotensive body-builders underwent continuous intra-arterial monitoring. In two subjects (one normotensive and one hypertensive), intrathoracic and intra-abdominal pressures were also measured. Extremely high blood pressure elevations of up to 345/245 mmHg were observed during the lifts. Squatting caused the highest pressure rises and single-arm curls the lowest. Both the intrathoracic and the intra-abdominal pressures increased greatly during each lift and closely paralleled the changes in intra-arterial pressure. A close correlation was found between the blood pressure increase during the exercise and during a hand-grip test (r = 0.95, P less than 0.001). These results suggest that a pronounced increase in intra-thoracic and intra-abdominal pressures is a major determinant of the blood pressure elevations occurring during weight-lifting. The pressor reflex which accompanies static contractions and the individual baseline blood pressure levels also seem to affect the height of the pressure peaks.
Palatini et al. (Sun,) conducted a observational in Hypertensive and normotensive body-builders (n=8). Heavy-resistance exercise (weight-lifting) was evaluated on Blood pressure changes (r = 0.95, p=<0.001). Heavy-resistance exercise caused extreme blood pressure elevations up to 345/245 mmHg, which closely correlated with increases during a hand-grip test (r = 0.95, P<0.001).