Table 1.
Autonomic markers and their interpretation.
Fig 1.
PRISMA flowchart.
Table 2.
Characteristics of the included reviews.
Table 3.
Body regions where the studies were focused.
Table 4.
Risk of bias of included reviews (ROBIS assessments).
Fig 2.
Overlapping of the included reviews.
Table 5.
Techniques, autonomic markers used and autonomic effects of included reviews.
Table 6.
Skin autonomic markers among the included studies.
Table 7.
Short-term effects of different techniques on specific autonomic indices of HRV.
Table 8.
Agreements and discrepancies among reviews [more than 2] rating the same article.
Table 9.
Outline of generalization of the evidence.
Table 10.
Suggestions and recommendations for further research in the field of autonomic nervous system.