Table 1 Risk of bias assessment criteria

A

Peer reviewed

Study published in peer-reviewed journal

No

Yes

–

B

Number of participants

Number of participants included in study findings

< 5

6–30

> 31

C

Population defined

Age, sex, sport, time experience (or level) were described

No

Partly

Yes

D

Experimental design

Experimental design of the study period was described and replicable

No

Partly

Yes

E

Eccentric strength parameters

The eccentric strength parameters of hamstring assessed by devices were described

No

Yes

–