Key Takeaway
Progressive muscle relaxation and other relaxation techniques show medium to large effect sizes for anxiety reduction across 27 studies.
Summary
This systematic review and meta-analysis examined 10 years of research on relaxation training for anxiety. The analysis included 27 studies with various relaxation techniques, with progressive muscle relaxation being the most commonly studied.
Results showed consistent and significant anxiety reduction with relaxation training, with medium to large effect sizes. PMR was effective across different anxiety presentations and populations.
Methods
- Systematic review of studies from 1997-2007
- 27 studies included in meta-analysis
- Various relaxation techniques examined
- Progressive muscle relaxation most common
- Assessed effect sizes across studies
Key Results
- Consistent anxiety reduction across studies
- Medium to large effect sizes for relaxation training
- PMR showed robust effects
- Benefits seen across different populations
- Effects maintained at follow-up in many studies
Limitations
- Heterogeneity in study designs
- Various relaxation techniques grouped together
- Publication bias possible
- Variable follow-up periods