Measurement properties of smartphone applications for the measurement of neck range of motion: a systematic review and meta analyses

Table 2 Summary of characteristics of the measurement properties

	Outcome measure/ measurement property
Study	Reliability (Intra rater)	Reliability (Inter rater)	Measurement Error	Criterion Validity	Construct Validity	Responsiveness
Asymptomatic	Clinometer app. – Available free of payment in apple and google play app stores.
Ullucci et al., 2019 [33]	✔	✔	X	X	X	X
Tousignant-Laflamme et al., 2013 [32]	✔	✔	X	✔	X	X
Monreal et al., 2021 [29]	✔	X	✔	✔	X	X
Neck pain	Goniometer – Available free of charge in apple and google play app stores.
Pourahmadi et al., 2018 [26]	✔	✔	X	X	X	X
Ghorbani et al., 2020 [10]	✔	✔	✔	✔	X	X
Rodríguez-Sanza et al., 2019 [11]	✔	✔	X	✔	X	X
Asymptomatic	Compass app. – Available free of charge in apple and google play app stores.
Guidetti et al., 2017 [13]	✔	✔	✔	✔	X	X
Satpute et al., 2019 [12]	✔	✔	✔	X	✔	X
Tousignant-Laflamme et al., 2013 [32]	✔	✔	X	✔	X	X
Neck pain	Compass app. – Available free of charge in apple and google play app stores
Rodríguez-Sanza et al., 2019 [11]	✔	✔	X	✔	X	X
Asymptomatic	Other apps (custom made). – Non-available in app stores.
Chang et al., 2019^a [28]	✔	✔	✔	X	✔	X
Quek et al., 2014 [31]	✔	X	✔	✔	X	X
Palsson et al., 2019 [30]	X	X	X	✔	X	X
Neck pain	Other apps (custom made). – Non-available in app stores.
Stenneberg et al., 2018 [27]	✔	✔	✔	✔	X	X

^aGPS status & Toolbox app. – Available in apple (payment required) and google play (free of charge) app stores

ISSN: 1471-2474