Key result
Eight weeks of aerobic and resistance exercise both improved vascular endothelial function and reduced body fat in obese young adults, but aerobic exercise better reduced arterial stiffness.
Why the study?
The study aimed to compare the effects of aerobic versus resistance exercise on cardiovascular function in obese young adults and explore the mechanisms of resistance exercise.
Does aerobic exercise compared to resistance exercise improve hemodynamics and vascular endothelial function in young obese adults?
RCT (n=44)
Single-blind
Randomly divided
No
Does aerobic exercise compared to resistance exercise improve hemodynamics and vascular endothelial function in young obese adults?
Absolute Event Rate: 31.92% vs 31.82%
p-value: p=0.049
Both aerobic and resistance exercise improve cardiovascular and endothelial function in young obese adults, with aerobic exercise uniquely reducing arterial stiffness and resistance exercise uniquely increasing muscle mass.
Supports either aerobic or resistance exercise for endothelial benefits in obese young adults; extends evidence on modality-specific effects on arterial stiffness.
Comparing the effects of 8 weeks of aerobic (AE) and resistance exercise (RE) on cardiovascular function in obese young adults. Exploring the mechanisms of resistance exercise on cardiovascular function. 44 subjects (22.4 ± 2.7 years, female/male: 26/18) were randomly divided into the AE and RE group. AE group performed platform running with 70-75% heart rate max. RE group performed deep squat, bench press, and hard pull training in sequence with 70-75% 1 repetition maximum. Body composition, cardio-vascular function indicators were measured before and after the interventions. After eight weeks, body fat percentage was reduced in both groups (AE: P < 0.0001, RE:P = 0.03). Hemodynamic indices (P < 0.05), endothelium-dependent diastolic function (AE:P = 0.01, RE:P = 0.024) and endothelial nitric oxide synthase (P < 0.0001) were increased. Both AE and RE exercise increased cardiac function (P < 0.05). The RE group (P = 0.002) had a significantly higher muscle mass. Brachial-ankle pulse wave conduction velocity (left: P = 0.006; right: P < 0.0001) was significantly lower in the AE group. Both AE and RE significantly reduced the body fat percentage, improved cardiac function, hemodynamic, and vascular endothelial function in obese young adults. AE has a stronger effect on reducing arterial stiffness, whereas resistance exercise has a stronger effect on building muscle, but does not change arterial stiffness.
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Huayi et al. (2025) conducted an RCT in Obesity (n=44). Aerobic exercise vs. Resistance exercise was evaluated on Body fat percentage (BF%) (p=0.049). Eight weeks of aerobic and resistance exercise both improved vascular endothelial function and reduced body fat in obese young adults, but aerobic exercise better reduced arterial stiffness.
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