Effects of free-weight resistance training based on hexagonal barbell deadlift in older women: A 24-week randomized controlled trial.
Exp GerontolJul 22, 2026 (epub)
Juezhen Zhang, Yung Cheng Huang, Yi-Hung Liao et al.
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In 30 seconds
This randomized controlled trial evaluated the impact of a 24-week hexagonal barbell deadlift (HBDL) resistance training program on body composition and functional performance in 32 older women (average age 67.6 years). The HBDL group demonstrated significant improvements in trunk lean mass (+0.4 kg vs. -0.2 kg, p = 0.006) and reductions in body fat percentage (-1.4% vs. +0.3%, p = 0.003).
Key findings
- HBDL group increased trunk lean mass by 0.4 kg compared to a decrease of 0.2 kg in the control group (p = 0.006).
- Body fat percentage decreased by 1.4% in the HBDL group versus an increase of 0.3% in the control group (p = 0.003).
- Trunk extensor peak torque improved by 26.0% in the HBDL group compared to a decrease of 6.3% in the control group (p < 0.001).
- The HBDL group showed better performance in the 6-minute walk test (p < 0.05).
Why it matters
Improving body composition and functional performance in older women is crucial for enhancing mobility and reducing fall risk. This study provides evidence that structured resistance training can achieve these goals effectively.