Inclusion Criteria:

• Male and female.
• Age 12 years to 18 years.
• Children undergoing spinal fusion surgery Undergoing scheduled spinal fusion surgery (eligible indications: idiopathic scoliosis, juvenile scoliosis, spondylolisthesis or kyphosis).
• Patient and parent(s) expresses interest in the study and are willing to be contacted by Seattle Children’s Hospital (SCH) research staff via phone call, email, or text to assess interest in the study and discuss participation.

Exclusion Criteria:

• Does not speak or understand English.
• Has severe learning disability, cognitive impairment or intellectual delay (i.e., unable to read at 5th grade level).
• Does not have access to a smart device (smartphone, iPad or tablet).
• Recent psychiatric admission (in the past 30 days).
• Severe systemic disease (neuromuscular scoliosis, cancer).
• Takes medication daily for treatment of a chronic medical condition (except allergies, asthma, anxiety, depression).
• Prior major surgery (open surgery such as heart, lung, brain, abdominal surgery, or prior spine surgery).
• Diagnosed chronic musculoskeletal pain condition (complex regional pain syndrome, fibromyalgia or widespread musculoskeletal pain).