Table 1

Study schedule

	Study period
	Enrollment	Allocation		Post-allocation		Closeout
Time point	T_-1	T₀	3 week	6 week	12 week	24 week
Enrollment	X
Eligibility screen	X
Informed consent	X
Allocation		X
Interventions:
Paper-only exercises
Paper plus video exercises
Assessments:
Demographic data	X
Pain intensity	X			X	X	X
SPADI	X			X	X	X
Expectations	X	X	X	X
Satisfaction				X		X
PGI-I				X	X	X
SUS					X
Animations’ usefulness and satisfaction					X
Adherence			X	X	X	X

SPADI, Shoulder Pain and Disability Index; PGI-I, Patient Global Impression of Improvement; SUS, System Usability Scale.