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Dose-Response to Resistance Exercise on Cardiovascular Health
Sponsor: University of Pittsburgh
Summary
A large body of evidence indicates numerous health benefits of physical activity, including prevention of cardiovascular disease (CVD), the leading cause of death in the US. This evidence has led to US Physical Activity Guidelines that recommend ≥150 min/week of moderate or ≥75 min/week of vigorous aerobic exercise (AE), plus resistance exercise (RE; such as weight lifting) on ≥2 days/week. To date, current research has mostly focused on AE, and we know a great deal about the dose-response relation between AE and health, resulting in clear and practical guidance to the public on the recommended "dose" in min/week. However, currently far less is known about the dose-response for RE: ≥2 days/week are recommended, but with no duration specified. Thus, this project aims to provide clarity on the dose relationship between RE and health. This project will significantly contribute to developing more effective CVD prevention approaches, advancing prescriptive intervention guidelines, by helping to fill the important gaps in knowledge on effective minimum dose, beneficial optimal dose, and safe maximum dose of RE for CVD prevention. Thus, advancing prescriptive intervention guidelines, and provide important insights for future science of physical activity and health.
Key Details
Gender
All
Age Range
40 Years - Any
Study Type
INTERVENTIONAL
Enrollment
240
Start Date
2024-12-03
Completion Date
2027-12
Last Updated
2025-08-12
Healthy Volunteers
No
Conditions
Interventions
Aerobic exercise only
Aerobic exercise training will consist of 60 min of treadmill, elliptical, or bike exercise at a moderate to vigorous (50-80% of heart rate reserve). Intensity of the exercise sessions will be built of gradually. Sessions will occur 2 times per week for the duration of the year trial
30 min of resistance exercise
30 min of resistance exercise (RE) will consist of 30 total minutes of resistance exercise each week (15 min each session) in addition to 60 min of aerobic exercise each week (30 min each session). Each 15 min session of resistance exercise will consist of 2 sets of 8-15 repetitions at 50-80% of 1-rep max of 4 exercises. Aerobic exercise will consist of treadmill, elliptical, or bike exercise at moderate to vigorous intensity (50-80% of heart rate reserve). Intensity of the exercise sessions will be increased gradually. With 1 min rest between sets, this plan is estimated to take approximately 45 min per session. Sessions will occur 2 times per week for the duration of 1 year.
60 min of resistance exercise
60 min of resistance exercise (RE) will consist of 60 total minutes of resistance exercise each week (30 min each session) in addition to 60 min of aerobic exercise each week (30 min each session). Each 30 min session of resistance exercise will consist of 2 sets of 8-15 repetitions at 50-80% of 1-rep max of 8 exercises. Aerobic exercise will consist of treadmill, elliptical, or bike exercise at moderate to vigorous intensity (50-80% of heart rate reserve). Intensity of the exercise sessions will be increased gradually. With 1 min rest between sets, this plan is estimated to take approximately 60 min per session. Sessions will occur 2 times per week for the duration of 1 year.
120 min of resistance exercise
120 min of resistance exercise (RE) will consist of 120 total minutes of resistance exercise each week (60 min each session) in addition to 60 min of aerobic exercise each week (30 min each session). Each 60 min session of resistance exercise will consist of 3 sets of 8-15 repetitions at 50-80% of 1-rep max of 10 exercises. Aerobic exercise will consist of treadmill, elliptical, or bike exercise at moderate to vigorous intensity (50-80% of heart rate reserve). Intensity of the exercise sessions will be increased gradually. With 1 min rest between sets, this plan is estimated to take approximately 90 min per session. Sessions will occur 2 times per week for the duration of 1 year.
Locations (1)
Physical Activity Research Center (PARC)
Pittsburgh, Pennsylvania, United States