Fig 1.
PRISMA flow diagram highlighting the selection process for the studies included in the umbrella-review.
Table 1.
Summary of SR and SRMA characteristics.
Table 2.
Summary of main findings presented in the SR and SRMA.
Table 3.
Short-term, acute effects and adaptations of SSGs: Summary table.
Table 4.
Longer-term adaptations to SSG-based programs: Summary table.
Fig 2.
Main small-sided games topics.
Table 5.
AMSTAR 2 assessment of each included SR or SRMA.