Fig 1.
Search strategy terms of PubMed.
Table 1.
PICOS framework.
Fig 2.
Study selection represented by PRISMA flowchart.
Table 2.
Basic information about the included literature.
Table 3.
Detailed characteristics of the included literature.
Fig 3.
Risk of bias assessed using RoB 2 tool.
Table 4.
PEDro scale score of included literature.
Fig 4.
Meta-analysis of the effect of PNF on Y balance test.
Fig 5.
Meta-analysis of the effect of PNF on star excursion balance test.
Fig 6.
Meta-analysis of the effect of PNF on muscle strength.
Fig 7.
Meta-analysis of the effect of PNF on VAS.
Fig 8.
Meta-analysis of the effect of PNF on Ankle instability questionnaire.