IoT	Internet of Things
USD	U.S. dollar
CAGR	Compound annual growth rate
ReMoVES	Remote-monitoring validation engineering system
UGC	User-generated content
DS	Data science
DM	Digital marketing
STS	Sit-to-stand
BDNF	Brain-derived neurotrophic factor
ICT	Information and communication technologies
ROM	Range of movement
DITEN	Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department
HTTPS	Hypertext transfer protocol secure
TLS	Transport layer security
JSON	JavaScript object Notation
LAMP	Linux–Apache–MySQL–PHP
NSU	Number of sit-up occurrences
UBFA	Upper-body flexion angle
LLFA	Lower-limb flexion angle
UBTA	Upper-body twist angle
COM	Center of mass
AP	Anteroposterior
ML	Mediolateral
UfV	Upper-frame velocity