Comparing the Effect of Spinning Training with the Actual and Placebo Effects of Caffeine on Cardio-metabolic Health and Physical Performance in Obese or Overweight Women
| Author | Mozhgan Hajian | en |
| Author | Somayeh Rajabi | en |
| Author | Nasrin Razavianzadeh | en |
| Author | Sayed Javad Ziaolhagh | en |
| Orcid | Mozhgan Hajian [0009-0009-5839-1570] | en |
| Orcid | Somayeh Rajabi [0009-0002-1548-3837] | en |
| Issued Date | 2026-08-31 | en |
| Abstract | Background: Spinning, a popular high-intensity indoor cycling workout, and caffeine may exert synergistic effects on lipid profile, body composition, and functional fitness in overweight or obese women. Objectives: This study aimed to examine the effects of an eight-week spinning program combined with caffeine on lipid profile, body composition, and functional fitness in overweight and obese women. Methods: Thirty-nine women (BMI: 25 - 35 kg/m2) were randomly allocated to four groups: spinning plus caffeine (n = 10), spinning plus placebo (n = 10), caffeine (n = 10), and a control group (n = 9). The intervention lasted eight weeks, during which spinning was performed three times per week for 30 - 40 minutes at 40 - 85% of heart rate reserve. Caffeine (5 mg/kg body weight) or a placebo was administered in capsule form 60 minutes before exercise. Pre- and post-intervention assessments included lipid profile (total cholesterol, HDL, LDL, and triglycerides), body composition, and functional fitness (aerobic capacity, muscular strength and endurance, and balance). Data were analyzed using repeated-measures and one-way ANOVA (P < 0.05). Results: Changes in triglycerides, LDL-C, and HDL-C were directionally favorable in the spinning conditions but did not reach statistical significance. Total cholesterol decreased significantly in the spinning group compared with the caffeine group (P = 0.00125). For anthropometric outcomes, the spinning + placebo and spinning + caffeine groups showed substantial reductions in body weight, BMI, waist and abdominal circumferences, WHR, and body fat percentage (all P < 0.001 vs. control). Functional fitness improved most robustly in the spinning + placebo and spinning + caffeine groups across strength, endurance, aerobic capacity, balance, and vertical jump performance, with many outcomes significantly better than those in the control group (P < 0.05 to P < 0.001). Caffeine alone demonstrated limited effectiveness for aerobic capacity, upper-limb strength, and upper-limb endurance (P < 0.05). Conclusions: Spinning training, alone or combined with caffeine, significantly improved body composition and physical performance compared with caffeine intake alone in overweight or obese women, with limited effects on cardiometabolic markers. The spinning plus caffeine condition did not significantly outperform spinning alone for most outcomes, confirming that spinning was the primary driver of benefits, with caffeine contributing only modestly. | en |
| DOI | https://doi.org/10.5812/jjnpp-170890 | en |
| URI | https://brieflands.com/journals/jjnpp/articles/170890 | en |
| Keyword | Exercise | en |
| Keyword | Caffeine | en |
| Keyword | Obesity | en |
| Keyword | Body Composition | en |
| Keyword | Dyslipidemia | en |
| Keyword | Physical Fitness | en |
| Publisher | Brieflands | en |
| Title | Comparing the Effect of Spinning Training with the Actual and Placebo Effects of Caffeine on Cardio-metabolic Health and Physical Performance in Obese or Overweight Women | en |
| Type | Research Article | en |
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