Physiological response to circuit weight training in borderline hypertensive subjects
Medicine and Science in Sports and Exercise
|June 1, 1987
Summary
Circuit weight training significantly improved muscular strength, body composition, and cardiorespiratory endurance in men with borderline hypertension. This exercise regimen demonstrated safety by not worsening blood pressure and potentially offering benefits.
Area of Science:
- Exercise Physiology
- Cardiovascular Health
- Sports Medicine
Background:
- Borderline hypertension poses cardiovascular risks.
- Exercise interventions are crucial for managing hypertension.
- Circuit weight training's effects on this population require investigation.
Purpose of the Study:
- To evaluate the efficacy and safety of a 9-week circuit weight training program.
- To assess changes in muscular strength, body composition, and cardiorespiratory endurance.
- To determine the impact on resting blood pressure and heart rate in men with borderline hypertension.
Main Methods:
- 10 experimental and 16 control male subjects with borderline hypertension participated.
- A 9-week circuit weight training program was implemented.
- Measurements included resting blood pressure, heart rate, strength (one-repetition maximum), body composition, and maximal oxygen uptake (VO2 max).
Main Results:
- Significant increases in upper (12.5%) and lower body strength (53%) were observed.
- Cardiovascular endurance improved by 21.1% (arm ergometry) and 7.8% (treadmill).
- Diastolic blood pressure decreased significantly (from 95.8 to 91.3 mm Hg), while systolic blood pressure and heart rate remained unchanged.
Conclusions:
- Circuit weight training effectively enhances muscular strength and cardiorespiratory endurance in men with borderline hypertension.
- The training program showed positive effects on body composition, including increased lean body mass.
- Circuit weight training is a safe and potentially beneficial intervention for managing borderline hypertension.
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