I think it should be explained that the muscles lengthening on any rotational tests differ if you're in seated, supine or prone. Also consider the differences in anterior and posterior hip capsule stretch in prone vs supine. With every test you need to know what you're wanting to assess.

Great video, thanks for making this accessible. Does someone know which model of dynamometer is used ?

Hello, someone knows the name of this digital inclinometer please?

Very poor. Very confusion to the unwary young practitioner. Clearly these practitioners do not know what they are talking about and throwing around data to backup their finding, which in fact was on the large incorrect and confused.