Isometric Handgrip Exercise for Blood Pressure Management
Not Applicable
Completed
- Conditions
- Hypertension
- Interventions
- Other: Isometric resistance training
- Registration Number
- NCT02458456
- Lead Sponsor
- University of New England, Australia
- Brief Summary
The aim of this project is to conduct a randomised controlled trial to assess the effect of performing isometric exercise using a handgrip dynamometer on blood pressure.
- Detailed Description
Recent meta-analyses suggest isometric resistance training (IRT) may be superior to aerobic exercise for lowering blood pressure. A randomised controlled study will be conducted with participants who are either pre-hypertensive, blood pressure between 120/80 and 140/90, or on medication to control their blood pressure. Previous studies have utilised a sedentary control so we intend to use a sham group to determine if it can be used as a working control for future studies.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 120
Inclusion Criteria
- Those within the required age limits, both normotensive, pre-hypertensive, and those medicated for blood pressure management.
Exclusion Criteria
- Younger than 30 years and older than 70 years; those deemed not to have the capacity to voluntarily participate, unable to participate under their doctor's recommendation, or with arthritis or carpal tunnel syndrome who may aggravate their condition with handgrip exercise.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- FACTORIAL
- Arm && Interventions
Group Intervention Description IHG 5% Hypertensive Isometric resistance training Participants who are either un-medicated pre-hypertensive or medicated for blood pressure management conducting isometric resistance training using a hand dynamometer at 5% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks. IHG 30% Hypertensive Isometric resistance training Participants who are either un-medicated pre-hypertensive or medicated for blood pressure management conducting isometric resistance training using a hand dynamometer at 30% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks. IHG 10% Hypertensive Isometric resistance training Participants who are either un-medicated pre-hypertensive or medicated for blood pressure management conducting isometric resistance training using a hand dynamometer at 10% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks. IHG 30% Normotensive Isometric resistance training Participants who are normotensive conducting isometric resistance training using a hand dynamometer at 30% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks. IHG 10% Normotensive Isometric resistance training Participants who are normotensive conducting isometric resistance training using a hand dynamometer at 10% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks. IHG 5% Normotensive Isometric resistance training Participants who are normotensive conducting isometric resistance training using a hand dynamometer at 5% of their maximum voluntary contraction. Participants with perform 4 x 2 minutes isometric handgrip exercises 3 times per week under supervision for 8 weeks.
- Primary Outcome Measures
Name Time Method Change in systolic and diastolic blood pressure Baseline and 8 weeks
- Secondary Outcome Measures
Name Time Method Compare and contrast blood pressure changes between the 30% maximum voluntary contraction (MVC) hypertensive and 30% MVC normotensive groups Baseline and 8 weeks Compare and contrast changes in blood pressure between the 5% maximum voluntary contraction (MVC) and 30% MVC hypertensive groups Baseline and 8 weeks
Trial Locations
- Locations (1)
University of New England
🇦🇺Armidale, New South Wales, Australia