. 2021 Jul 21;25(6):664–675. doi: 10.1016/j.bjpt.2021.06.006

Table 3.

Summary of findings table.

N° of studies	Quality assessment			N° of participants		Mean Difference (95% CI)	Quality
N° of studies	Risk of bias	Inconsistency	Imprecision	Intervention group	Control group	Mean Difference (95% CI)	Quality
**IRD (Ultrasound measure): TrA training versus minimal intervention group (follow up 12 weeks)**
2 Pilot RCTs²⁸^,²⁹	Serious^*	Non-serious	Very serious^⁎⁎	16	14	−0.63 (−1.25, −0.01)	⨁○○○ Very low

^⁎

Downgraded by one level due to one study classified as fair methodological quality.

^⁎⁎

Downgraded by two levels because participants were from pilot studies.