To evaluate the influence of calcium entry blockade (diltiazem 60 mg qid) on exercise capacity in patients with chronic atrial fibrillation, nine men (mean age 65 years) with atrial fibrillation underwent maximal treadmill exercise on and off diltiazem therapy. Heart rate, blood pressure, and measured ventilatory parameters were assessed at a standard submaximal workload (3.0 mph/0% grade), the...

introduction: the objective of this study was to examine the influence of sahour meal on exercise performance, and physiological responses to a 10km time-trial (10ktt) at two different times of the day during ramadan. method: three well-trained muslim runners participated (age, 25±0.8years; maximal oxygen uptake, 54.87±3.45 ml.kg-1.min-1; body weight, 52.4±1.99 kg; height, 162.7±3.55 cm).  subj...

STUDY OBJECTIVES We hypothesized that endurance exercise training would reduce the degree of hyperinflation for a given level of exercise and thereby improve submaximal exercise endurance. METHODS Twenty-four patients with COPD (mean FEV(1), 36.4 +/- 8.5% of predicted [+/- SD]) undertook a high-intensity cycle ergometer exercise training program for 45 min, three times a week for 7 weeks. Bef...

introduction: effects of exercise on different body systems, especially cardiovascular and musculoskeletal systems are evidenced. there is a dynamic homeostatic balance between coagulation and fibrinolysis in normal circulation. effect of exercise and training on this homeostatic balance has been studied extensively but there are a few studies with regards to analysis of the effects of training...

Introduction: The objective of this study was to examine the influence of sahour meal on exercise performance, and physiological responses to a 10Km Time-Trial (10KTT) at two different times of the day during Ramadan. Method: Three well-trained Muslim runners participated (age, 25±0.8years; maximal oxygen uptake, 54.87±3.45 ml.kg-1.min-1; body weight, 52.4±1.99 kg; height, 162.7±3.55 cm).  Subj...

BACKGROUND Magnetic resonance imaging (MRI) is an important tool for cardiac research, and it is frequently used for resting cardiac assessments. However, research into non-pharmacological stress cardiac evaluation is limited. METHODS We aimed to design a portable and relatively inexpensive MRI cycle ergometer capable of continuously measuring pedalling workload while patients exercise to mai...

46 people participated in the study. The participants were randomly divided into 3 groups as Above Threshold, Under Threshold and Control according to sensation of electrical current on ears. evaluated times; before application, after first second bicycle exercises. Numerical pain scale, pulse rate, blood pressure, respiratory distance travelled during exercise for cycle ergometer test.

The time of ingestion of a carbohydrate supplement on muscle glycogen storage postexercise was examined. Twelve male cyclists exercised continuously for 70 min on a cycle ergometer at 68% VO2max, interrupted by six 2-min intervals at 88% VO2max, on two separate occasions. A 25% carbohydrate solution (2 g/kg body wt) was ingested immediately postexercise (P-EX) or 2 h postexercise (2P-EX). Muscl...

The purposes of this study were to evaluate the gender difference in exercise tolerance. We analyzed the relationship between the double product (DP) at the double product break-point (DPBP) and the systolic blood pressure (SBP), diastolic blood pressure (DBP), mean blood pressure (MAP), pulse pressure (PP), heart rate (HR) at DPBP. The subjects were 18 healthy men and 15 healthy women. Exercis...

The purpose of this study was to determine whether presweetened breakfast cereals with various fiber contents and a moderate glycemic index optimize glucose availability and improve endurance exercise performance. Six recreationally active women ate 75 g of available carbohydrate in the form of breakfast cereals: sweetened whole-grain rolled oats (SRO, 7 g of dietary fiber) or sweetened whole-o...