| MSDs | musculoskeletal diseases |
| BMI | body mass index |
| CI | confidence interval |
| GRADE | Grading of Recommendations, Assessment, Development, and Evaluation |
| LD | linear dichroism |
| ORs | odds ratios |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| RCTs | randomized controlled trials |
| SMD | standardized mean difference |