LOS ANGELES (FOX 11) - Karena and Katrina of ToneItUp.com stopped by Good Day LA on Monday for a quick partner work out to do over the holidays.
Enjoy family and good food -- and once 2016 rolls around, you can get a running head start! They have an 8-week fitness challenge that begins January 3 with everything you need to get in great shape.
The challenge includes a daily workout schedule, ideas for other toning workouts, tips and inspiration from Karena and Katrina and more.
Watch the full partner workout in the video above.