Table 1.

Eligibility screening

Inclusion criteria	Exclusion criteria
Age 18 to 70 years	Not fluent in Swedish language
Current history of subacute neck pain (30 to 90 days duration) or long-lasting neck pain (>90 days) impairing daily activities at work and/or leisure time	Pain intensity <2 as a mean of three pain questions the preceding 4 weeks (Chroniq Pain Questionnaire)
Access to internet	Pain related disability <1 as a mean of three disability questions the preceding 4 weeks (Chronic Pain Questionnaire)
In possession of a smart phone	Having used a personal trainer the preceding 4 weeks
	Pregnancy
	Cancer the preceding 5 years
	Skin disorders in the painful area impeding massage therapy
	Manual therapy, massage therapy or physical therapy for the neck pain in the preceding month
	Sick leave due to surgery in the painful area
	Specific diagnosis (as for example acute prolapsed disc, spondylolisthesis, spinal fracture, spinal stenosis, or arthritis)
	Red Flags (as for example acute trauma, cancer, infection, cauda equine, osteoporosis, or vertebral fractures)
	Fever