The Energize! Study for Adults With Knee Replacement

Energize! Internet-Delivered Physical Activity Program for Adults With Knee Replacement

The purpose is to examine the effects of an online physical activity program on moderate to vigorous intensity physical activity, pain, and physical function in adults with knee replacement at 3 months (post-intervention) and 6 months (maintenance).

Participants with knee replacement will be randomized to start the online physical activity program (Energize!) either immediately or after 3 months. The online program consists of weekly physical activity goals, video lessons, action planning, and homework to help increase physical activity to 200 min/week. Assessments will be completed at baseline, 3 months, and 6 months.

Inclusion Criteria:

• Have had a partial or total knee replacement ≥12 months ago
• Have regular access to the internet
• Willing to wear activity monitor for 7 days at baseline, 3 & 6 months
• Engage in less than 60 minutes of self-reported moderate intensity exercise

Exclusion Criteria:

• Have a mobility limiting comorbidity
• Non-English speaking
• Have a scheduled surgery within the next 6 months that would limit activity