scholarly journals Weight Loss and Exercise Training Effect on Oxygen Uptake and Heart Rate Response to Locomotion

2012 ◽  
Vol 26 (5) ◽  
pp. 1366-1373 ◽  
Author(s):  
Gary R. Hunter ◽  
Gordon Fisher ◽  
David R. Bryan ◽  
Paul A. Zuckerman
Keyword(s):  
Heart Rate ◽  
Weight Loss ◽  
Exercise Training ◽  
Oxygen Uptake ◽  
Heart Rate Response ◽  
Training Effect

scholarly journals Influence of atrial fibrillation on oxygen uptake and exercise tolerance in cardiovascular patients; close association with heart rate response

2019 ◽  
Vol 22 ◽  
pp. 84-91 ◽  
Author(s):  
Nami Takano ◽  
Eisuke Amiya ◽  
Gaku Oguri ◽  
Atsuko Nakayama ◽  
Masanobu Taya ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Heart Rate ◽  
Oxygen Uptake ◽  
Exercise Tolerance ◽  
Heart Rate Response ◽  
Close Association ◽  
Cardiovascular Patients

Aerobic interval training increases peak oxygen uptake more than usual care exercise training in myocardial infarction patients: a randomized controlled study

2011 ◽  
Vol 26 (1) ◽  
pp. 33-44 ◽  
Author(s):  
Trine Moholdt ◽  
Inger Lise Aamot ◽  
Ingrid Granøien ◽  
Lisbeth Gjerde ◽  
Gitte Myklebust ◽  
...  
Keyword(s):  
Heart Rate ◽  
Exercise Training ◽  
Oxygen Uptake ◽  
Usual Care ◽  
Interval Training ◽  
Peak Oxygen Uptake ◽  
Peak Heart Rate ◽  
Randomized Controlled ◽  
Aerobic Interval Training

Objective: Exercise capacity strongly predicts survival and aerobic interval training (AIT) increases peak oxygen uptake effectively in cardiac patients. Usual care in Norway provides exercise training at the hospitals following myocardial infarction (MI), but the effect and actual intensity of these rehabilitation programmes are unknown. Design: Randomized controlled trial. Setting: Hospital cardiac rehabilitation. Subjects: One hundred and seven patients, recruited two to 12 weeks after MI, were randomized to usual care rehabilitation or treadmill AIT. Interventions: Usual care aerobic group exercise training or treadmill AIT as 4 × 4 minutes intervals at 85–95% of peak heart rate. Twice weekly exercise training for 12 weeks. Main measures: The primary outcome measure was peak oxygen uptake. Secondary outcome measures were endothelial function, blood markers of cardiovascular disease, quality of life, resting heart rate, and heart rate recovery. Results: Eighty-nine patients (74 men, 15 women, 57.4 ± 9.5 years) completed the programme. Peak oxygen uptake increased more ( P = 0.002) after AIT (from 31.6 ± 5.8 to 36.2 ± 8.6 mL·kg−1·min−1, P < 0.001) than after usual care rehabilitation (from 32.2 ± 6.7 to 34.7 ± 7.9 mL·kg−1·min−1, P < 0.001). The AIT group exercised with significantly higher intensity in the intervals compared to the highest intensity in the usual care group (87.3 ± 3.9% versus 78.7 ± 7.2% of peak heart rate, respectively, P < 0.001). Both programmes increased endothelial function, serum adiponectin, and quality of life, and reduced serum ferritin and resting heart rate. High-density lipoprotein cholesterol increased only after AIT. Conclusions: AIT increased peak oxygen uptake more than the usual care rehabilitation provided to MI patients by Norwegian hospitals.

scholarly journals Does Heart Rate Response Confirm The Attainment Of Maximal Oxygen Uptake In Adults 45 Years And Older?

2020 ◽  
Vol 52 (7S) ◽  
pp. 47-48
Author(s):  
Jeremy Ducharme ◽  
Ann Gibson ◽  
Jonathan Houck ◽  
Lydia Hallam ◽  
Zachary Mckenna ◽  
...  
Keyword(s):  
Heart Rate ◽  
Oxygen Uptake ◽  
Maximal Oxygen Uptake ◽  
Heart Rate Response

Heart rate during exercise with leg vascular occlusion in spinal cord-injured humans

1999 ◽  
Vol 86 (3) ◽  
pp. 806-811 ◽  
Author(s):  
M. Kjær ◽  
F. Pott ◽  
T. Mohr ◽  
P. Linkis ◽  
P. Tornøe ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Spinal Cord ◽  
Heart Rate ◽  
Oxygen Uptake ◽  
Heart Rate Response ◽  
Vascular Occlusion ◽  
Voluntary Exercise ◽  
Feedback Mechanisms ◽  
Cord Injury ◽  
Neural Feedback

Feed-forward and feedback mechanisms are both important for control of the heart rate response to muscular exercise, but their origin and relative importance remain inadequately understood. To evaluate whether humoral mechanisms are of importance, the heart rate response to electrically induced cycling was studied in participants with spinal cord injury (SCI) and compared with that elicited during volitional cycling in able-bodied persons (C). During voluntary exercise at an oxygen uptake of ∼1 l/min, heart rate increased from 66 ± 4 to 86 ± 4 (SE) beats/min in seven C, and during electrically induced exercise at a similar oxygen uptake in SCI it increased from 73 ± 3 to 110 ± 8 beats/min. In contrast, blood pressure increased only in C (from 88 ± 3 to 99 ± 4 mmHg), confirming that, during exercise, blood pressure control is dominated by peripheral neural feedback mechanisms. With vascular occlusion of the legs, the exercise-induced increase in heart rate was reduced or even eliminated in the electrically stimulated SCI. For C, heart rate tended to be lower than during exercise with free circulation to the legs. Release of the cuff elevated heart rate only in SCI. These data suggest that humoral feedback is of importance for the heart rate response to exercise and especially so when influence from the central nervous system and peripheral neural feedback from the working muscles are impaired or eliminated during electrically induced exercise in individuals with SCI.

Heart Rate Response and Recovery after Exercise Training in Elderly Patients with Diastolic Heart Failure

2007 ◽  
Vol 39 (Supplement) ◽  
pp. S32
Author(s):  
Sara Maldonado-Martín ◽  
Peter H. Brubaker ◽  
Brian Moore ◽  
Dalane W. Kitzman
Keyword(s):  
Heart Failure ◽  
Heart Rate ◽  
Exercise Training ◽  
Elderly Patients ◽  
Heart Rate Response ◽  
Diastolic Heart Failure ◽  
Response And Recovery

Cardiac function and exercise training in conscious dogs

1977 ◽  
Vol 42 (6) ◽  
pp. 824-832 ◽  
Author(s):  
H. L. Stone
Keyword(s):  
Heart Rate ◽  
Exercise Training ◽  
Cardiac Function ◽  
Heart Rate Response ◽  
Exercise Program ◽  
Left Ventricular Pressure ◽  
Left Ventricular ◽  
Ventricular Pressure ◽  
Time Intervals ◽  
Similar Time

Exercise training (T) was accomplished in 21 mongrel dogs. The animals were instrumented to measure ascending aortic flow, left ventricular pressure, and left atrial pressure. They were allowed to recover for 4 wk following surgery before accomplishing a standardized submaximal test (SMT). The exercise program alternated daily between sprint and endurance training. During T, the animals were tested while lying quietly on a laboratory table as well as during the SMT. In six animals, ventricular function curves (VFC) were obtained by rapid volume loading at similar time intervals as the SMT. Heart rate increased during the SMT but was found to be reduced in the T animals by an average of 20 beats/min. The maximum derivative of left ventricular pressure (P) increased during the SMT in T animals by an average of 2,200 Torr/s above the untrained animals. The VFC was lower in T animals than untrained animals because of a reduction in heart rate response. Results indicate a reflex adaptation of the nervous system with training to improve cardiac function.

Oxygen uptake and heart rate response of 6 standardized tennis drills

2012 ◽  
Vol 37 (5) ◽  
pp. 982-989 ◽  
Author(s):  
Nabyl Bekraoui ◽  
Marie-Agnès Fargeas-Gluck ◽  
Luc Léger
Keyword(s):  
Heart Rate ◽  
Oxygen Uptake ◽  
Energy Cost ◽  
High Speed ◽  
Heart Rate Response ◽  
Half Width ◽  
Full Width ◽  
Tennis Players ◽  
Low Speed ◽  
High Speeds

The purpose of this study was to compare the oxygen uptake of various on-court tennis drills. Eleven tennis players were monitored with a portable metabolic device to measure oxygen uptake of 6 different tennis drills at low and high speeds. The 6 drills were done with or without striking the ball, over half or full-width of the court, in attack or defense mode, using forehand or backhand strokes. Oxygen uptake values (mean ± SD) ranged from 33.8 ± 4.2 to 42.3 ± 5.1 mL·kg–1·min–1 when running at low speed on the full-width court in defense mode without striking the ball and when running at high speed on the full-width court in attack mode while striking the ball, respectively. Specific differences were observed. Attacking mode requires 6.5% more energy than defensive playing mode. Backhand strokes demand 7% more energy at low speed than forehand ones. Running and striking the ball costs 10% more energy than running without striking the ball. While striking the ball, shuttle running on half-width court costs 14% more energy than running on full-width courts. The specificity of the oxygen uptake responses obtained for these various tennis drills gives an improved representation of their energy cost and could be used to optimize training loads.

Does heart rate response confirm the attainment of maximal oxygen uptake in adults 45 years and older?

2020 ◽  
Author(s):  
Jeremy Ducharme ◽  
Ann Gibson ◽  
Zachary McKenna ◽  
Jonathan Houck ◽  
Lydia Hallam ◽  
...  
Keyword(s):  
Heart Rate ◽  
Oxygen Uptake ◽  
Maximal Oxygen Uptake ◽  
Heart Rate Response
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