Figures & data
Figure 1. Glossary of key terms.
![Figure 1. Glossary of key terms.](/cms/asset/310d0275-4c75-4256-9714-5ef089385472/idre_a_2236021_f0001_b.jpg)
Table 1. Hierarchy of evidence.
Table 2. Summary of included studies: participants, interventions, outcome measures and results (n = 33).
Table 3. Level of evidence and quality assessment scores for included RCTs using the PEDro scale (n = 12).
Table 4. Level of evidence and quality assessment scores for all other study designs using the MMAT (n = 21).
Figure 2. PRISMA Flow diagram.
![Figure 2. PRISMA Flow diagram.](/cms/asset/4a4fff1c-5d41-4cc8-9998-57de201c0b4e/idre_a_2236021_f0002_c.jpg)