The purpose of this study is to evaluate how certain procedures work for individuals with chronic neck pain.

Individuals who are 18 years of age or older and have chronic neck pain will participate in this study. The study involves randomly assigning individuals into two treatment groups (i.e. manual therapy and resistance exercise). Both treatments are recommended treatments and are part of clinical practice guidelines and are well supported in the literature.

Participants will be asked to complete a 4-week training program which includes physical examination, education, treatment, and an exercise plan. Participants will also complete a brief set of questionnaires at their baseline visit, 4 weeks, and 6 months after their initial visit

Adherence to home exercise is important to achieve upper limb recovery after stroke. However, adherence is typically low. Therefore, a new home exercise program with an Apple Watch and iPhone app was created to improve adherence to upper limb exercises for stroke survivors at home. Participants will come to our lab to experience the new home exercise program. Participants who opt for home use will bring the device home to try the new home exercise program at home. The purpose of this study is for researchers to examine usability and feasibility of participants using the new home exercise program.

The purpose of this study is to develop and test if upper limb task practice and muscle activity training improve upper limb function in stroke survivors. Participants will be asked to come to the laboratory 3 times a week for 6 weeks to receive upper limb task practice and/or muscle activity training. Participants will also come to the laboratory for additional 3 visits for assessments of upper extremity function. The total duration of the study will be 2.5 months.

The purpose of this research study is to study four treatments for chronic low-back pain to learn whether or not certain treatments work better for people with certain characteristics.The study's main goal is to find a way to match treatments to low-back pain patients based on their characteristics and how they responded to treatments they have used before.

This study is a multi-site, sequential, multiple assignment randomized trial (SMART) designed to meet the primary objective of estimating an algorithm for optimally assigning evidence-based interventions for chronic low-back pain. The trial is based on an individual patient's phenotypic markers and response to treatment. Interventions being evaluated in this trial are: (1) acceptance and commitment therapy (ACT), (2) duloxetine, (3) enhanced self-care (ESC), and (4) evidence-based exercise and manual therapy (EBEM).