Dose-Response to Resistance Exercise on Cardiovascular Health

Conditions

• Cardiovascular Risk

Eligibility Criteria

Sex

ALL

Age

40 Years - N/A

Healthy Volunteers

Not accepted

Interventions

• Aerobic exercise only — BEHAVIORAL
  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 — BEHAVIORAL
  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 — BEHAVIORAL
  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 — BEHAVIORAL
  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.

Study Details

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 Dates

Start date

Dec 3, 2024

Status verified

Aug 2025

Primary completion

Jun 30, 2027

Completion

Dec 31, 2027

Study Design

Enrollment

240 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Arms

• Experimental: Aerobic Exercise (AE) only
  Aerobic exercise (AE) 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.
• Experimental: 30 min of resistance exercise (RE)
  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 (AE) each week (30 min each session). Each 15 min session of RE will consist of 2 sets of 8-15 repetitions at 50-80% of 1-rep max of 4 exercises. AE 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.
• Experimental: 60 min of resistance exercise (RE)
  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.
• Experimental: 120 min of resistance exercise (RE)
  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.

Primary Outcome Measure

Change from baseline in composite cardiovascular risk score at 6 months [ Time Frame: Baseline and 6 months ]

Central Contacts

• Duck-chul Lee, PhD
  412-383-4004
  [email protected]

Locations (1)

Find similar trials in Pittsburgh, PA

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