https://bmcsportsscimedrehabil.biomedcentral.com/articles/10.1186/s13102-018-0099-z
https://bmcsportsscimedrehabil.biomedcentral.com/articles/10.1186/s13102-018-0097-1
https://bmcsportsscimedrehabil.biomedcentral.com/articles/10.1186/s13102-018-0098-0
https://bmcsportsscimedrehabil.biomedcentral.com/articles/10.1186/s13102-018-0096-2