Sport Biomechanics Applications Using Inertial, Force, and EMG Sensors: A Literature Overview

Table 1

Criteria for quality assessment of the internal validity (IV), statistical validity (SV), and external validity (EV).

Criteria		Assessment property
Aim of the work
(1)	Description of a specific, clearly stated purpose	IV
(2)	The research question is scientifically relevant	EV
Inclusion criteria (selection bias)
(3)	Description of inclusion and exclusion criteria	IV-EV
(4)	Inclusion and exclusion criteria are the same for all tested groups	IV
(5)	Inclusion and exclusion criteria reflect the general population	EV
Data collection (performance bias)
(6)	Data collection is clearly described and reliable	IV-EV
(7)	Same data collection method used for all the athletes	IV
(8)	The used setup is wearable	EV
Data loss (attrition bias)
(9)	Different data loss between groups	IV
(10)		EV
Outcome (detection bias)
(11)	Outcomes allow tangible application	EV
(12)	Outcomes are the same for all the athletes	IV
Data presentation
(13)	Frequencies of most important outcome measures	IV
(14)	Presentation of the data is sufficient to assess the adequacy of the analysis	IV
Statistical approach
(15)	Appropriate statistical analysis techniques	SV
(16)	Clearly state the statistical test used	SV
(17)	State and reference the analytical software used	SV
(18)	At least 10 subjects	SV